/* ================================
   Spheronix Hackathon - Stylesheet
   ================================ */

    :root {
        --primary-color: #F04443;
        --primary-hover: #e03b3a;
        --primary-light: rgba(240, 68, 67, 0.1);
        --secondary-color: #66738B;
        --accent-color: #FF9D00;
        --background-color: #f8fafc;
        --card-bg: #ffffff;
        --text-dark: #342E2E;
        --text-light: #66738B;
        --text-muted: #94a3b8;
        --white: #ffffff;
        --error: #ef4444;
        --error-light: #fef2f2;
        --success: #10b981;
        --success-light: #ecfdf5;
        --warning: #FF9D00;
        --warning-light: #fff8eb;
        --border-color: #e2e8f0;
        --border-radius: 12px;
        --border-radius-lg: 16px;
        --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
        --shadow: 0 10px 15px -3px rgba(52, 46, 46, 0.06), 0 4px 6px -2px rgba(52, 46, 46, 0.03);
        --shadow-lg: 0 20px 25px -5px rgba(52, 46, 46, 0.12), 0 8px 10px -6px rgba(52, 46, 46, 0.06);
        --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
        font-family: 'Poppins', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    }

    body {
        background-color: var(--background-color);
        color: var(--text-dark);
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        overflow-x: hidden;
    }

    /* Background Shapes */
    .background-shapes {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: -1;
        overflow: hidden;
        pointer-events: none;
    }

    .shape {
        position: absolute;
        border-radius: 50%;
        filter: blur(100px);
        opacity: 0.5;
    }

    .shape-1 {
        top: -150px;
        right: -150px;
        width: 600px;
        height: 600px;
        background: rgba(37, 99, 235, 0.25);
        animation: float 20s ease-in-out infinite;
    }

    .shape-2 {
        bottom: -150px;
        left: -150px;
        width: 500px;
        height: 500px;
        background: rgba(139, 92, 246, 0.2);
        animation: float 25s ease-in-out infinite reverse;
    }

    .shape-3 {
        top: 50%;
        left: 50%;
        width: 400px;
        height: 400px;
        background: rgba(34, 197, 94, 0.1);
        transform: translate(-50%, -50%);
        animation: pulse 15s ease-in-out infinite;
    }

    @keyframes float {

        0%,
        100% {
            transform: translateY(0) rotate(0deg);
        }

        50% {
            transform: translateY(-30px) rotate(5deg);
        }
    }

    @keyframes pulse {

        0%,
        100% {
            transform: translate(-50%, -50%) scale(1);
            opacity: 0.1;
        }

        50% {
            transform: translate(-50%, -50%) scale(1.1);
            opacity: 0.2;
        }
    }

    /* ============ Navigation ============ */
    .navbar {
        padding: 1rem 5%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        background: rgba(255, 255, 255, 0.8);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--border-color);
        position: sticky;
        top: 0;
        z-index: 100;
    }

    .logo {
        font-size: 1.4rem;
        font-weight: 700;
        color: var(--primary-color);
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .logo i {
        font-size: 1.6rem;
    }

    .nav-links {
        display: flex;
        gap: 1.5rem;
    }

    .nav-links a {
        text-decoration: none;
        color: var(--text-light);
        font-weight: 500;
        padding: 0.5rem 1rem;
        border-radius: 8px;
        transition: var(--transition);
    }

    .nav-links a:hover,
    .nav-links a.active {
        color: var(--primary-color);
        background: var(--primary-light);
    }

    /* ============ Container & Views ============ */
    .container {
        flex: 1;
        display: flex;
        justify-content: center;
        align-items: flex-start;
        padding: 2rem;
        min-height: calc(100vh - 80px);
    }

    .view {
        width: 100%;
        max-width: 1200px;
        transition: opacity 0.4s ease-in-out, transform 0.4s ease-in-out;
    }

    .hidden {
        display: none !important;
        opacity: 0;
    }

    .active {
        display: block;
        opacity: 1;
    }

    /* ============ Landing Page ============ */
    .landing-content {
        text-align: center;
        max-width: 900px;
        margin: 0 auto;
        padding: 4rem 2rem;
    }

    .hackathon-badge {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        background: rgba(241, 90, 41, 0.08);
        border: 1px solid rgba(241, 90, 41, 0.22);
        color: #F15A29;
        padding: 0.45rem 1.15rem;
        border-radius: 50px;
        font-family: 'Inter', 'Poppins', sans-serif;
        font-weight: 700;
        font-size: 0.8rem; /* ~12-13px */
        letter-spacing: 0.06em;
        text-transform: uppercase;
        margin-bottom: 1.75rem;
        box-shadow: 0 2px 8px rgba(241, 90, 41, 0.08);
    }

    .landing-content h1 {
        font-family: 'DM Serif Display', 'Playfair Display', Georgia, serif;
        font-size: clamp(2.75rem, 5.5vw, 4.85rem); /* ~72-80px on desktop */
        font-weight: 700;
        letter-spacing: -0.015em;
        line-height: 1.12;
        margin-bottom: 1.5rem;
        color: #342E2E; /* Dark brown/black */
    }

    .highlight {
        font-family: 'DM Serif Display', 'Playfair Display', Georgia, serif;
        background: linear-gradient(135deg, #F04443 0%, #FF9D00 100%); /* Red -> orange gradient */
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        display: inline-block;
        font-weight: 700;
        padding-bottom: 2px;
    }

    .subtitle {
        font-family: 'Inter', 'Poppins', sans-serif;
        font-size: 1.22rem; /* ~19-20px */
        font-weight: 500;
        line-height: 1.62;
        color: #66738B; /* #66738B */
        margin-bottom: 2.75rem;
        max-width: 680px;
        margin-left: auto;
        margin-right: auto;
    }

    .cta-buttons {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 1.25rem;
        margin-bottom: 3.5rem;
        flex-wrap: wrap;
    }

    .event-info {
        display: flex;
        justify-content: center;
        gap: 3.5rem;
        flex-wrap: wrap;
    }

    .info-item {
        display: flex;
        align-items: center;
        gap: 0.65rem;
        font-family: 'Inter', 'Poppins', sans-serif;
        color: #66738B; /* #66738B */
        font-size: 0.98rem; /* ~15-16px */
        font-weight: 500;
        letter-spacing: -0.01em;
    }

    .info-item i {
        color: #F15A29;
        font-size: 1.2rem;
    }

    /* Countdown Styling */
    .countdown-number,
    .time-box .amount,
    .stat-number {
        font-family: 'Poppins', 'Inter', sans-serif;
        font-size: 2.75rem; /* ~42-46px */
        font-weight: 700;
        color: #173E7A; /* Dark blue #173E7A */
        line-height: 1;
    }

    /* ============ Buttons ============ */
    .btn {
        border: none;
        cursor: pointer;
        font-family: 'Poppins', 'Inter', sans-serif;
        font-size: 1rem;
        font-weight: 600;
        line-height: 1.2;
        padding: 0.85rem 1.85rem;
        min-height: 48px;
        border-radius: 50px;
        transition: var(--transition);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.6rem;
        text-decoration: none;
        white-space: nowrap;
        letter-spacing: 0.01em;
    }

    .btn:disabled {
        opacity: 0.65;
        cursor: not-allowed;
        transform: none;
        box-shadow: none;
    }

    .btn-primary {
        background: linear-gradient(135deg, #F04443 0%, #FF9D00 100%);
        color: var(--white);
        box-shadow: 0 6px 20px rgba(240, 68, 67, 0.32);
        border: none;
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        background: linear-gradient(135deg, #e03b3a 0%, #f59300 100%);
        box-shadow: 0 10px 28px rgba(240, 68, 67, 0.44);
    }

    .btn-secondary {
        background: #ffffff;
        color: #342E2E;
        border: 1.5px solid #e2e8f0;
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
    }

    .btn-secondary:hover {
        background: #fff8f5;
        border-color: #F04443;
        color: #F04443;
        transform: translateY(-2px);
        box-shadow: 0 6px 18px rgba(240, 68, 67, 0.15);
    }

    .btn-large {
        padding: 0.95rem 2.5rem;
        font-size: 1.05rem;
        font-weight: 600;
    }

    .btn-block {
        width: 100%;
        padding: 1rem;
    }

    .btn-small {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .btn-google {
        background: var(--white);
        color: #333;
        border: 2px solid var(--border-color);
        padding: 1rem 2rem;
        width: 100%;
        max-width: 320px;
    }

    .btn-google:hover {
        background: #f8f8f8;
        border-color: #ccc;
        box-shadow: var(--shadow-sm);
    }

    .btn-google i {
        color: #4285f4;
        font-size: 1.2rem;
    }

    .btn-success {
        background: linear-gradient(135deg, #16a34a, #15803d);
        color: var(--white);
        box-shadow: 0 4px 15px rgba(21, 128, 61, 0.28);
    }

    .btn-success:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 22px rgba(21, 128, 61, 0.34);
    }

    /* ============ Cards ============ */
    .card {
        background: var(--card-bg);
        padding: 2.5rem;
        border-radius: var(--border-radius-lg);
        box-shadow: var(--shadow);
        max-width: 550px;
        width: 100%;
        margin: 0 auto;
        position: relative;
    }

    .card-large {
        max-width: 800px;
    }

    .back-btn {
        position: absolute;
        top: 1.5rem;
        left: 1.5rem;
        background: none;
        border: none;
        color: var(--text-light);
        cursor: pointer;
        font-size: 0.9rem;
        display: flex;
        align-items: center;
        gap: 0.5rem;
        transition: var(--transition);
    }

    .back-btn:hover {
        color: var(--primary-color);
    }

    /* ============ Progress Bar ============ */
    .progress-bar {
        display: flex;
        justify-content: center;
        align-items: center;
        margin-bottom: 2.5rem;
        padding-top: 1rem;
    }

    .progress-bar .step {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
        color: var(--text-muted);
        font-size: 0.85rem;
        position: relative;
        z-index: 1;
    }

    .progress-bar .circle {
        width: 36px;
        height: 36px;
        background: var(--border-color);
        border-radius: 50%;
        display: flex;
        justify-content: center;
        align-items: center;
        font-weight: 600;
        font-size: 0.9rem;
        transition: var(--transition);
    }

    .progress-bar .step.active {
        color: var(--primary-color);
    }

    .progress-bar .step.active .circle {
        background: var(--primary-color);
        color: var(--white);
        box-shadow: 0 0 0 4px var(--primary-light);
    }

    .progress-bar .step.completed .circle {
        background: var(--success);
        color: var(--white);
    }

    .progress-bar .line {
        width: 80px;
        height: 3px;
        background: var(--border-color);
        margin: 0 0.5rem;
        margin-bottom: 1.5rem;
        border-radius: 2px;
        transition: var(--transition);
    }

    .progress-bar .line.active {
        background: var(--primary-color);
    }

    /* ============ Step Content ============ */
    .step-content {
        transition: opacity 0.3s ease, transform 0.3s ease;
    }

    .hidden-step {
        display: none;
        opacity: 0;
        transform: translateX(20px);
    }

    .active-step {
        display: block;
        opacity: 1;
        transform: translateX(0);
    }

    .step-header {
        text-align: center;
        margin-bottom: 2rem;
    }

    .step-header h2 {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
    }

    .step-header h2 i {
        color: var(--primary-color);
    }

    .step-header p {
        color: var(--text-light);
        margin: 0;
    }

    /* ============ Auth Box ============ */
    .auth-box {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
        padding: 2rem 0;
    }

    .auth-note {
        font-size: 0.85rem;
        color: var(--success);
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    /* ============ Messages ============ */
    .error-message,
    .warning-message {
        padding: 1rem;
        border-radius: 8px;
        margin-top: 1rem;
        display: flex;
        align-items: center;
        gap: 0.5rem;
        font-size: 0.9rem;
    }

    .error-message {
        background: var(--error-light);
        color: var(--error);
        border: 1px solid var(--error);
    }

    .warning-message {
        background: var(--warning-light);
        color: var(--warning);
        border: 1px solid var(--warning);
    }

    /* ============ Forms ============ */
    .form-row {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }

    .form-group {
        margin-bottom: 1.25rem;
        text-align: left;
        position: relative;
    }

    label {
        display: block;
        margin-bottom: 0.5rem;
        font-size: 0.9rem;
        font-weight: 500;
        color: var(--text-dark);
    }

    .badge {
        font-size: 0.7rem;
        background: var(--border-color);
        padding: 0.2rem 0.5rem;
        border-radius: 4px;
        margin-left: 0.5rem;
        color: var(--text-light);
        font-weight: 400;
    }

    .badge-success {
        background: var(--success-light);
        color: var(--success);
    }

    input,
    select,
    textarea {
        width: 100%;
        padding: 0.85rem 1rem;
        border: 2px solid var(--border-color);
        border-radius: 8px;
        font-size: 0.95rem;
        transition: var(--transition);
        outline: none;
        background: var(--white);
    }

    input:focus,
    select:focus,
    textarea:focus {
        border-color: var(--primary-color);
        box-shadow: 0 0 0 3px var(--primary-light);
    }

    .readonly-input {
        background-color: var(--background-color);
        color: var(--text-light);
        cursor: not-allowed;
    }

    .error-text {
        color: var(--error);
        font-size: 0.8rem;
        margin-top: 0.3rem;
        display: block;
        min-height: 1.2em;
    }

    .helper-text {
        color: var(--success);
        font-size: 0.8rem;
        margin-top: 0.3rem;
        display: block;
    }

    .hidden-select {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        border: 0;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
    }

    .college-selector {
        position: relative;
    }

    .college-dropdown {
        position: absolute;
        top: calc(100% + 6px);
        left: 0;
        right: 0;
        max-height: 260px;
        overflow-y: auto;
        background: var(--white);
        border: 1px solid var(--border-color);
        border-radius: 10px;
        box-shadow: var(--shadow);
        z-index: 20;
    }

    .college-option {
        width: 100%;
        text-align: left;
        border: none;
        background: transparent;
        padding: 0.75rem 1rem;
        cursor: pointer;
        font-size: 0.92rem;
        color: var(--text-dark);
    }

    .college-option:hover {
        background: var(--primary-light);
    }

    .college-option.active {
        background: var(--primary-light);
        color: var(--primary-color);
    }

    .college-option.no-results {
        color: var(--text-muted);
        cursor: default;
    }

    #other-college-wrapper {
        margin-top: 0.75rem;
    }

    /* ============ Participation Options ============ */
    .participation-options {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }

    .radio-card {
        cursor: pointer;
    }

    .radio-card input {
        display: none;
    }

    .radio-content {
        padding: 1.25rem;
        border: 2px solid var(--border-color);
        border-radius: 12px;
        text-align: center;
        transition: var(--transition);
    }

    .radio-content i {
        font-size: 2rem;
        color: var(--text-light);
        margin-bottom: 0.5rem;
        display: block;
    }

    .radio-content span {
        display: block;
        font-weight: 600;
        color: var(--text-dark);
    }

    .radio-content small {
        color: var(--text-muted);
        font-size: 0.8rem;
    }

    .radio-card input:checked+.radio-content {
        border-color: var(--primary-color);
        background: var(--primary-light);
    }

    .radio-card input:checked+.radio-content i {
        color: var(--primary-color);
    }

    /* ============ Team Section ============ */
    .team-info {
        background: var(--background-color);
        padding: 1.5rem;
        border-radius: 12px;
        margin-bottom: 1.5rem;
    }

    .team-leader-info {
        background: var(--success-light);
        padding: 1rem 1.5rem;
        border-radius: 8px;
        margin-bottom: 1.5rem;
        border-left: 4px solid var(--success);
    }

    .team-leader-info h4 {
        color: var(--success);
        margin-bottom: 0.25rem;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .team-leader-info p {
        color: var(--text-dark);
        margin: 0;
        font-size: 0.9rem;
    }

    #team-members-container h4 {
        margin-bottom: 1rem;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .team-member-card {
        background: var(--background-color);
        padding: 1.5rem;
        border-radius: 12px;
        margin-bottom: 1rem;
        border: 1px solid var(--border-color);
    }

    .member-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 1rem;
        padding-bottom: 0.75rem;
        border-bottom: 1px solid var(--border-color);
    }

    .member-header span {
        font-weight: 600;
        color: var(--text-dark);
    }

    .btn-remove-member {
        background: var(--error-light);
        color: var(--error);
        border: none;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        cursor: pointer;
        transition: var(--transition);
    }

    .btn-remove-member:hover {
        background: var(--error);
        color: var(--white);
    }

    .form-actions {
        display: flex;
        gap: 1rem;
        margin-top: 2rem;
    }

    .form-actions .btn {
        flex: 1;
        padding: 1rem;
    }

    .btn-group {
        display: flex;
        gap: 0.75rem;
        margin-top: 1.25rem;
    }

    .btn-group .btn {
        flex: 1;
    }

    /* ============ Success View ============ */
    .success-message {
        text-align: center;
        padding: 2rem 0;
    }

    .check-icon {
        width: 80px;
        height: 80px;
        background: linear-gradient(135deg, var(--success), #16a34a);
        color: white;
        font-size: 2.5rem;
        border-radius: 50%;
        display: flex;
        justify-content: center;
        align-items: center;
        margin: 0 auto 1.5rem auto;
        animation: pop-in 0.5s ease;
    }

    @keyframes pop-in {
        0% {
            transform: scale(0);
        }

        70% {
            transform: scale(1.1);
        }

        100% {
            transform: scale(1);
        }
    }

    .user-summary {
        background: var(--background-color);
        padding: 1.5rem;
        border-radius: 12px;
        text-align: left;
        margin: 1.5rem 0;
    }

    .challenge-card {
        margin: 0 0 1.5rem 0;
        padding: 1.5rem;
        border-radius: 14px;
        background: linear-gradient(135deg, #f8fbff, #eef5ff);
        border: 1px solid #d7e6ff;
        text-align: left;
    }

    .challenge-card-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 0.75rem;
        margin-bottom: 0.85rem;
        flex-wrap: wrap;
    }

    .challenge-eyebrow {
        font-size: 0.82rem;
        font-weight: 700;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        color: var(--primary-color);
    }

    /* .challenge-difficulty removed — difficulty is not displayed in UI */

    .challenge-card h3 {
        margin-bottom: 0.65rem;
        font-size: 1.2rem;
        color: var(--text-dark);
    }

    .challenge-card p {
        margin: 0;
        color: var(--text-light);
        line-height: 1.7;
    }

    .summary-item {
        display: flex;
        justify-content: space-between;
        padding: 0.5rem 0;
        border-bottom: 1px solid var(--border-color);
    }

    .summary-item:last-child {
        border-bottom: none;
    }

    .summary-item .label {
        color: var(--text-light);
        font-size: 0.9rem;
    }

    .summary-item .value {
        font-weight: 600;
        color: var(--text-dark);
    }

    .team-members-section {
        margin-top: 1.5rem;
        padding-top: 1.5rem;
        border-top: 2px solid var(--border-color);
    }

    .team-members-section h3 {
        color: var(--primary-color);
        font-size: 1.1rem;
        margin-bottom: 1rem;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .team-ids-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .team-ids-list li {
        padding: 0.75rem;
        margin-bottom: 0.5rem;
        background: white;
        border-radius: 8px;
        border-left: 3px solid var(--primary-color);
        font-size: 0.95rem;
    }

    .team-ids-list li strong {
        color: var(--text-dark);
        display: inline-block;
        min-width: 200px;
    }

    .info-note {
        color: var(--text-light);
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
    }

    .info-note i {
        color: var(--primary-color);
    }

    /* ============ Results View ============ */
    #result-display {
        margin-top: 2rem;
    }

    .result-card {
        background: var(--background-color);
        border-radius: 12px;
        overflow: hidden;
    }

    .result-status {
        padding: 1.5rem;
        text-align: center;
        font-size: 1.25rem;
        font-weight: 700;
        color: var(--white);
    }

    .result-status.selected {
        background: linear-gradient(135deg, var(--success), #16a34a);
    }

    .result-status.not-selected {
        background: linear-gradient(135deg, var(--error), #dc2626);
    }

    .result-status.pending {
        background: linear-gradient(135deg, var(--warning), #d97706);
    }

    .result-details {
        padding: 1.5rem;
    }

    .result-details p {
        padding: 0.5rem 0;
        border-bottom: 1px solid var(--border-color);
        margin: 0;
        color: var(--text-dark);
    }

    .result-details p:last-child {
        border-bottom: none;
    }

    .result-details strong {
        color: var(--text-light);
        font-weight: 500;
    }

    /* ============ Dashboard Table Styles ============ */
    .admin-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 2rem;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .stats-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1.5rem;
        margin-bottom: 2rem;
    }

    .stat-card {
        background: var(--white);
        padding: 1.5rem;
        border-radius: 12px;
        box-shadow: var(--shadow-sm);
        border-left: 4px solid var(--primary-color);
    }

    .stat-card.success {
        border-left-color: var(--success);
    }

    .stat-card.warning {
        border-left-color: var(--warning);
    }

    .stat-card.accent {
        border-left-color: var(--accent-color);
    }

    .stat-card h3 {
        font-size: 2rem;
        color: var(--text-dark);
        margin-bottom: 0.25rem;
    }

    .stat-card p {
        color: var(--text-light);
        font-size: 0.9rem;
        margin: 0;
    }

    .data-table {
        width: 100%;
        background: var(--white);
        border-radius: 12px;
        overflow: hidden;
        box-shadow: var(--shadow-sm);
    }

    .data-table table {
        width: 100%;
        border-collapse: collapse;
    }

    .data-table th,
    .data-table td {
        padding: 1rem;
        text-align: left;
        border-bottom: 1px solid var(--border-color);
    }

    .data-table th {
        background: var(--background-color);
        font-weight: 600;
        color: var(--text-dark);
        font-size: 0.85rem;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

    .data-table td {
        font-size: 0.9rem;
        color: var(--text-dark);
    }

    .data-table tr:hover {
        background: var(--background-color);
    }

    .status-badge {
        padding: 0.25rem 0.75rem;
        border-radius: 50px;
        font-size: 0.8rem;
        font-weight: 500;
    }

    .status-badge.selected {
        background: var(--success-light);
        color: var(--success);
    }

    .status-badge.rejected {
        background: var(--error-light);
        color: var(--error);
    }

    .status-badge.pending {
        background: var(--warning-light);
        color: var(--warning);
    }

    .action-btns {
        display: flex;
        gap: 0.5rem;
    }

    .action-btn {
        width: 32px;
        height: 32px;
        border: none;
        border-radius: 6px;
        cursor: pointer;
        transition: var(--transition);
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .action-btn.approve {
        background: var(--success-light);
        color: var(--success);
    }

    .action-btn.approve:hover {
        background: var(--success);
        color: var(--white);
    }

    .action-btn.reject {
        background: var(--error-light);
        color: var(--error);
    }

    .action-btn.reject:hover {
        background: var(--error);
        color: var(--white);
    }

    /* ============ Responsive Design ============ */
    @media (max-width: 768px) {
        .navbar {
            flex-direction: column;
            gap: 1rem;
            padding: 1rem;
        }

        .nav-links {
            gap: 0.5rem;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-links a {
            padding: 0.4rem 0.75rem;
            font-size: 0.9rem;
        }

        .summary-item {
            display: block !important;
            padding: 0.8rem 0;
        }

        .summary-item .label {
            display: block;
            margin-bottom: 0.2rem;
            font-size: 0.85rem;
            color: var(--text-light);
        }

        .summary-item .value {
            display: block;
            word-break: break-all;
            overflow-wrap: anywhere;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-dark);
            text-align: left;
        }

        .landing-content h1 {
            font-size: 2rem;
        }

        .cta-buttons {
            flex-direction: column;
            align-items: center;
        }

        .btn-large {
            width: 100%;
            max-width: 300px;
        }

        .event-info {
            gap: 1.5rem;
        }

        .card {
            padding: 1.5rem;
            margin: 0 0.5rem;
        }

        .form-row {
            grid-template-columns: 1fr;
        }

        .participation-options {
            grid-template-columns: 1fr;
        }

        .progress-bar .line {
            width: 40px;
        }

        .form-actions {
            flex-direction: column;
        }

        .stats-grid {
            grid-template-columns: 1fr 1fr;
        }

        .data-table {
            overflow-x: auto;
        }

        /* Team member card responsive */
        .team-member-card .form-row {
            grid-template-columns: 1fr;
        }

        /* Admin dashboard responsive */
        .admin-header {
            flex-direction: column;
            text-align: center;
        }

        .toolbar {
            flex-direction: column;
        }

        .search-box {
            min-width: 100%;
        }

        .filter-select {
            width: 100%;
        }
    }

    @media (max-width: 480px) {
        .landing-content {
            padding: 2rem 1rem;
        }

        .landing-content h1 {
            font-size: 1.75rem;
        }

        .subtitle {
            font-size: 1rem;
        }

        .stats-grid {
            grid-template-columns: 1fr;
        }

        .progress-bar {
            transform: scale(0.9);
        }

        .progress-bar .line {
            width: 30px;
        }

        .step-header h2 {
            font-size: 1.25rem;
        }
    }

    /* ============ Additional Utility Classes ============ */
    .full-width {
        grid-column: 1 / -1;
    }

    .college-info-text {
        font-size: 0.9rem;
        color: var(--text-light);
        margin-top: 0.5rem;
        display: flex;
        align-items: center;
        gap: 1rem;
        flex-wrap: wrap;
    }

    .college-info-text i {
        color: var(--primary-color);
    }

    /* GitHub link styles */
    .github-link {
        color: var(--primary-color);
        text-decoration: none;
        display: inline-flex;
        align-items: center;
        gap: 0.3rem;
        transition: var(--transition);
    }

    .github-link:hover {
        text-decoration: underline;
        color: var(--primary-hover);
    }

    /* Loading states */
    .loading-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255, 255, 255, 0.8);
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 1000;
    }

    .loading-spinner {
        width: 50px;
        height: 50px;
        border: 3px solid var(--border-color);
        border-top-color: var(--primary-color);
        border-radius: 50%;
        animation: spin 1s linear infinite;
    }

    @keyframes spin {
        to {
            transform: rotate(360deg);
        }
    }

    /* Form validation highlight */
    input.error,
    select.error {
        border-color: var(--error);
    }

    input.success,
    select.success {
        border-color: var(--success);
    }

    /* Team member badge in step 3 */
    .member-badge {
        background: var(--primary-light);
        color: var(--primary-color);
        padding: 0.25rem 0.75rem;
        border-radius: 50px;
        font-size: 0.8rem;
        font-weight: 500;
    }

    /* ============ Footer ============ */
    .site-footer {
        background: rgba(15, 23, 42, 0.03);
        border-top: 1px solid var(--border-color);
        padding: 1rem 5%;
    }

    .site-footer .footer-inner {
        max-width: 1200px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
        flex-wrap: wrap;
    }

    .site-footer .footer-left .logo {
        font-weight: 700;
        color: var(--primary-color);
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .site-footer .footer-note {
        color: var(--text-light);
        font-size: 0.9rem;
        margin-top: 0.25rem;
    }

    .site-footer .footer-links {
        display: flex;
        gap: 1rem;
    }

    .site-footer .footer-link {
        color: var(--text-light);
        text-decoration: none;
        font-weight: 600;
        transition: var(--transition);
    }

    .site-footer .footer-link:hover {
        color: var(--primary-color);
    }

    @media (max-width: 600px) {
        .site-footer .footer-inner {
            flex-direction: column;
            align-items: flex-start;
        }

        .site-footer .footer-links {
            width: 100%;
            justify-content: flex-start;
        }
    }

    /* Improved table styles */
    table {
        border-collapse: separate;
        border-spacing: 0;
    }

    th:first-child {
        border-top-left-radius: 8px;
    }

    th:last-child {
        border-top-right-radius: 8px;
    }

    /* Scrollbar styles */
    ::-webkit-scrollbar {
        width: 8px;
        height: 8px;
    }

    ::-webkit-scrollbar-track {
        background: var(--background-color);
        border-radius: 4px;
    }

    ::-webkit-scrollbar-thumb {
        background: var(--border-color);
        border-radius: 4px;
    }

    ::-webkit-scrollbar-thumb:hover {
        background: var(--text-muted);
    }

    /* Fix for overlapping elements */
    .card {
        position: relative;
        z-index: 1;
    }

    .step-content {
        position: relative;
    }

    /* Ensure proper flex layout */
    .form-group {
        display: flex;
        flex-direction: column;
    }

    /* Input group with icon */
    .input-with-icon {
        position: relative;
    }

    .input-with-icon input {
        padding-left: 2.5rem;
    }

    .input-with-icon i {
        position: absolute;
        left: 1rem;
        top: 50%;
        transform: translateY(-50%);
        color: var(--text-muted);
    }

    .terms-box {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
        margin: 0.25rem 0 1.25rem 0;
        padding: 1rem;
        border: 1px solid var(--border-color);
        border-radius: 10px;
        background: var(--background-color);
    }

    .terms-check {
        display: flex;
        align-items: center;
        gap: 0.6rem;
        font-size: 0.9rem;
        color: var(--text-dark);
    }

    .terms-check input {
        width: auto;
    }

    .terms-status {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
        width: fit-content;
        padding: 0.35rem 0.7rem;
        border-radius: 999px;
        font-size: 0.82rem;
        font-weight: 600;
        border: 1px solid transparent;
    }

    .terms-status.pending {
        background: var(--warning-light);
        color: #92400e;
        border-color: #fcd34d;
    }

    .terms-status.accepted {
        background: var(--success-light);
        color: #166534;
        border-color: #86efac;
    }

    .terms-status.rejected {
        background: var(--error-light);
        color: #991b1b;
        border-color: #fca5a5;
    }

    .modal-overlay {
        position: fixed;
        inset: 0;
        z-index: 1000;
        background: rgba(15, 23, 42, 0.5);
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 1rem;
    }

    .modal-card {
        width: min(680px, 100%);
        max-height: 80vh;
        overflow-y: auto;
        background: var(--white);
        border-radius: 12px;
        box-shadow: var(--shadow-lg);
        padding: 1.25rem;
    }

    .modal-card h3 {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        margin-bottom: 1rem;
        color: var(--primary-color);
    }

    .modal-body {
        display: grid;
        gap: 0.65rem;
        color: var(--text-dark);
        font-size: 0.95rem;
    }

    .modal-actions {
        margin-top: 1rem;
        padding-top: 0.85rem;
        border-top: 1px solid var(--border-color);
        display: flex;
        align-items: center;
        justify-content: flex-end;
        gap: 0.75rem;
    }

    .modal-actions .btn {
        min-width: 108px;
    }

    @media (max-width: 640px) {

        .btn-group,
        .modal-actions {
            flex-direction: column;
            align-items: stretch;
        }


        .modal-actions .btn,
        .btn-group .btn {
            width: 100%;
        }
    }

    /* ============ Toast Notification (Live Updates) ============ */
    .toast {
        position: fixed;
        bottom: 2rem;
        right: 2rem;
        background: var(--white);
        border-radius: 12px;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
        display: flex;
        align-items: flex-start;
        gap: 1rem;
        padding: 1.25rem;
        width: min(350px, calc(100vw - 4rem));
        z-index: 9999;
        transform: translateX(120%);
        opacity: 0;
        transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.4s ease;
        border-left: 4px solid var(--primary-color);
    }

    .toast.show {
        transform: translateX(0);
        opacity: 1;
    }

    .toast.hidden {
        display: none;
    }

    .toast-icon {
        background: var(--primary-light);
        color: var(--primary-color);
        width: 36px;
        height: 36px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        font-size: 1.1rem;
    }

    .toast-content h4 {
        margin: 0 0 0.25rem 0;
        color: var(--text-dark);
        font-size: 1rem;
    }

    .toast-content p {
        margin: 0;
        color: var(--text-light);
        font-size: 0.85rem;
        line-height: 1.4;
    }

    .toast-close {
        background: none;
        border: none;
        color: var(--text-muted);
        cursor: pointer;
        padding: 0.25rem;
        margin-left: auto;
        font-size: 1rem;
        transition: var(--transition);
    }

    .toast-close:hover {
        color: var(--error);
    }

    @media (max-width: 480px) {
        .toast {
            bottom: 1rem;
            right: 1rem;
            width: calc(100vw - 2rem);
        }
    }

    /* ============ TOTAL PROJECT UI RESPONSIVE FIXES ============ */
    @media (max-width: 768px) {
        .navbar {
            padding: 0.8rem 1rem;
        }

        .logo {
            font-size: 1.1rem;
        }

        .nav-links {
            gap: 0.75rem;
        }

        .nav-links a {
            padding: 0.4rem 0.6rem;
            font-size: 0.85rem;
        }

        .container {
            padding: 1rem 0.5rem;
        }

        .landing-content {
            padding: 2.5rem 1rem;
        }

        .landing-content h1 {
            font-size: 2rem;
        }

        .subtitle {
            font-size: 1rem;
            padding: 0 0.5rem;
        }

        .card,
        .card-large {
            padding: 1.5rem 1rem;
            border-radius: 12px;
        }

        .form-row {
            grid-template-columns: 1fr;
            gap: 0;
        }

        .participation-options {
            grid-template-columns: 1fr;
        }

        .progress-bar .step span {
            font-size: 0.7rem;
            text-align: center;
        }

        .progress-bar .line {
            width: 40px;
        }

        .event-info {
            gap: 1.5rem;
        }

        /* Modal responsiveness */
        .modal-card {
            padding: 1rem;
            max-height: 90vh;
        }
    }

    @media (max-width: 480px) {
        .landing-content h1 {
            font-size: 1.75rem;
        }

        .progress-bar .step span {
            display: none;
            /* Hide labels on very small screens for clarity */
        }

        .progress-bar .line {
            width: 30px;
            margin-bottom: 0;
        }

        .progress-bar {
            margin-bottom: 1.5rem;
        }

        .back-btn {
            position: relative;
            top: 0;
            left: 0;
            margin-bottom: 1rem;
        }

        .event-info {
            flex-direction: column;
            align-items: center;
            gap: 1rem;
        }
    }

    /* Fix for possible data cutting/overflow */
    .view,
    .card,
    .step-content {
        overflow: visible;
    }

    img,
    video,
    iframe {
        max-width: 100%;
        height: auto;
    }

    /* ==========================================================================
       UPI QR CODE SCANNER & PAYMENT STYLES
       ========================================================================== */
    .payment-summary {
        margin-top: 1.25rem;
        animation: fadeInPaymentSection 0.4s ease-out;
    }

    @keyframes fadeInPaymentSection {
        from {
            opacity: 0;
            transform: translateY(12px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .terms-locked-notice {
        background: #f8fafc;
        border: 2px dashed #cbd5e1;
        border-radius: 16px;
        padding: 2rem 1.5rem;
        margin-top: 1.25rem;
        text-align: center;
        transition: all 0.3s ease;
    }

    .terms-locked-notice .lock-icon-circle {
        width: 54px;
        height: 54px;
        background: #eef2ff;
        border: 1px solid #c7d2fe;
        color: #4f46e5;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.4rem;
        margin: 0 auto 0.85rem auto;
    }

    .terms-locked-notice h4 {
        color: #1e293b;
        font-size: 1.1rem;
        font-weight: 600;
        margin-bottom: 0.35rem;
    }

    .terms-locked-notice p {
        color: #64748b;
        font-size: 0.875rem;
        max-width: 440px;
        margin: 0 auto;
        line-height: 1.5;
    }

    .terms-locked-notice p strong {
        color: #4f46e5;
    }

    .upi-payment-container {
        background: #ffffff;
        border: 1px solid #e0e7ff;
        border-radius: 16px;
        padding: 1.5rem;
        margin-top: 1.25rem;
        box-shadow: 0 10px 25px -5px rgba(79, 70, 229, 0.08), 0 8px 10px -6px rgba(79, 70, 229, 0.04);
        text-align: center;
        transition: all 0.3s ease;
        animation: fadeInScanner 0.4s ease-out;
    }

    @keyframes fadeInScanner {
        from {
            opacity: 0;
            transform: translateY(10px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .upi-header {
        margin-bottom: 1.25rem;
    }

    .upi-header h4 {
        color: #1e1b4b;
        font-size: 1.15rem;
        font-weight: 600;
        margin-bottom: 0.35rem;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
    }

    .upi-header h4 i {
        color: #4f46e5;
    }

    .upi-subtitle {
        color: #64748b;
        font-size: 0.825rem;
        margin: 0;
    }

    .upi-qr-wrapper {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        margin: 1.25rem 0;
    }

    .qr-frame {
        position: relative;
        width: 220px;
        height: 220px;
        background: #ffffff;
        border: 2px solid #6366f1;
        border-radius: 16px;
        padding: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 0 20px rgba(99, 102, 241, 0.15);
        overflow: hidden;
    }

    .qr-frame::before,
    .qr-frame::after {
        content: '';
        position: absolute;
        width: 16px;
        height: 16px;
        border-color: #4338ca;
        pointer-events: none;
    }

    .qr-frame::before {
        top: 6px;
        left: 6px;
        border-top: 3px solid #4f46e5;
        border-left: 3px solid #4f46e5;
    }

    .qr-frame::after {
        bottom: 6px;
        right: 6px;
        border-bottom: 3px solid #4f46e5;
        border-right: 3px solid #4f46e5;
    }

    .upi-qr-canvas-wrapper {
        width: 200px;
        height: 200px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .upi-qr-canvas-wrapper canvas,
    .upi-qr-canvas-wrapper img {
        width: 100% !important;
        height: 100% !important;
        border-radius: 8px;
    }

    .upi-qr-img {
        width: 100%;
        height: 100%;
        object-fit: contain;
        border-radius: 8px;
        transition: opacity 0.3s ease;
    }

    .upi-qr-img.loading-qr {
        opacity: 0.3;
    }

    .qr-spinner {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        background: rgba(255, 255, 255, 0.9);
        color: #4f46e5;
        gap: 0.5rem;
        font-size: 0.85rem;
        font-weight: 500;
        border-radius: 14px;
    }

    .qr-amount-badge {
        margin-top: 0.75rem;
        background: #eef2ff;
        border: 1px solid #c7d2fe;
        color: #312e81;
        padding: 0.35rem 1rem;
        border-radius: 20px;
        font-size: 0.9rem;
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
    }

    .qr-amount-badge strong {
        color: #4338ca;
        font-size: 1.05rem;
    }

    .upi-details-card {
        background: #f8fafc;
        border: 1px solid #e2e8f0;
        border-radius: 12px;
        padding: 1rem;
        margin-bottom: 1.25rem;
    }

    .upi-id-box {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 0.75rem;
        flex-wrap: wrap;
    }

    .upi-id-label {
        font-size: 0.85rem;
        font-weight: 600;
        color: #475569;
    }

    .upi-id-val-wrapper {
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .upi-id-val-wrapper code {
        background: #ffffff;
        border: 1px solid #cbd5e1;
        padding: 0.35rem 0.65rem;
        border-radius: 6px;
        color: #1e293b;
        font-family: 'Courier New', Courier, monospace;
        font-weight: 700;
        font-size: 0.95rem;
    }

    .btn-copy-upi {
        background: #4f46e5;
        color: #ffffff;
        border: none;
        padding: 0.35rem 0.75rem;
        border-radius: 6px;
        cursor: pointer;
        font-size: 0.8rem;
        font-weight: 500;
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
        transition: all 0.2s ease;
    }

    .btn-copy-upi:hover {
        background: #4338ca;
    }

    .btn-copy-upi.copied {
        background: #10b981;
    }

    .mobile-upi-btn-wrapper {
        margin-top: 0.85rem;
        text-align: center;
    }

    .btn-upi-mobile {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        width: 100%;
        padding: 0.7rem 1rem;
        background: linear-gradient(135deg, #4f46e5 0%, #3730a3 100%);
        color: #ffffff !important;
        border-radius: 8px;
        font-weight: 600;
        font-size: 0.9rem;
        text-decoration: none;
        transition: transform 0.2s, box-shadow 0.2s;
    }

    .btn-upi-mobile:hover {
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
    }

    .bank-details-card {
        background: #f8fafc;
        border: 1px solid #e2e8f0;
        border-radius: 14px;
        padding: 1.25rem;
        margin-bottom: 1.25rem;
        text-align: left;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    }

    .bank-card-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 1rem;
        padding-bottom: 0.75rem;
        border-bottom: 1px solid #e2e8f0;
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .bank-title-group {
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }

    .bank-icon-circle {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
        color: #4338ca;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.05rem;
    }

    .bank-card-header h5 {
        margin: 0;
        color: #0f172a;
        font-size: 0.95rem;
        font-weight: 700;
        letter-spacing: -0.01em;
    }

    .bank-subtext {
        margin: 0.15rem 0 0;
        font-size: 0.75rem;
        color: #64748b;
        font-weight: 500;
    }

    .badge-verified {
        background: #ecfdf5;
        color: #059669;
        border: 1px solid #a7f3d0;
        font-size: 0.75rem;
        font-weight: 600;
        padding: 0.25rem 0.65rem;
        border-radius: 20px;
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
    }

    .bank-info-table {
        display: flex;
        flex-direction: column;
        background: #ffffff;
        border: 1px solid #e2e8f0;
        border-radius: 10px;
        overflow: hidden;
    }

    .bank-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0.75rem 1rem;
        border-bottom: 1px solid #f1f5f9;
        transition: background-color 0.15s ease;
        gap: 1rem;
    }

    .bank-row:last-child {
        border-bottom: none;
    }

    .bank-row:hover {
        background-color: #fafbfc;
    }

    .bank-cell {
        display: flex;
        align-items: center;
    }

    .bank-cell.label-cell {
        font-size: 0.825rem;
        color: #475569;
        font-weight: 600;
        gap: 0.5rem;
        min-width: 170px;
        flex-shrink: 0;
    }

    .bank-cell.label-cell i {
        color: #6366f1;
        width: 16px;
        text-align: center;
    }

    .bank-cell.value-cell {
        font-size: 0.9rem;
        color: #0f172a;
        justify-content: flex-end;
        text-align: right;
        flex-grow: 1;
    }

    .bank-cell.value-cell strong {
        color: #1e1b4b;
        font-weight: 700;
    }

    .bank-highlight {
        color: #4338ca;
        font-weight: 700;
        background: #eef2ff;
        padding: 0.2rem 0.6rem;
        border-radius: 6px;
        font-size: 0.85rem;
    }

    .bank-cell .val-copy-row {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
    }

    .bank-cell .info-code {
        background: #f8fafc;
        border: 1px solid #cbd5e1;
        padding: 0.3rem 0.65rem;
        border-radius: 6px;
        font-family: 'Courier New', Courier, monospace;
        font-weight: 700;
        font-size: 0.9rem;
        color: #0f172a;
        letter-spacing: 0.04em;
    }

    .btn-copy-bank {
        background: #4f46e5;
        color: #ffffff;
        border: 1px solid #4338ca;
        padding: 0.3rem 0.7rem;
        border-radius: 6px;
        font-size: 0.775rem;
        font-weight: 600;
        cursor: pointer;
        display: inline-flex;
        align-items: center;
        gap: 0.3rem;
        transition: all 0.2s ease;
    }

    .btn-copy-bank:hover {
        background: #3730a3;
        transform: translateY(-1px);
    }

    .btn-copy-bank.copied {
        background: #10b981;
        border-color: #059669;
        color: #ffffff;
    }

    @media (max-width: 640px) {
        .bank-row {
            flex-direction: column;
            align-items: flex-start;
            gap: 0.4rem;
            padding: 0.75rem;
        }

        .bank-cell.label-cell {
            min-width: unset;
        }

        .bank-cell.value-cell {
            justify-content: flex-start;
            text-align: left;
            width: 100%;
        }

        .bank-cell .val-copy-row {
            width: 100%;
            justify-content: space-between;
        }
    }

    .utr-verification-section {
        background: #fdfefe;
        border: 1.5px dashed #cbd5e1;
        border-radius: 12px;
        padding: 1.15rem;
        text-align: left;
    }

    .utr-label {
        display: block;
        font-size: 0.85rem;
        font-weight: 600;
        color: #1e293b;
        margin-bottom: 0.5rem;
    }

    .utr-label i {
        color: #4f46e5;
    }

    .utr-input-group {
        display: flex;
        gap: 0.5rem;
        flex-wrap: wrap;
    }

    .utr-input-group .form-control {
        flex: 1;
        min-width: 180px;
        padding: 0.65rem 0.85rem;
        font-size: 0.95rem;
        letter-spacing: 0.5px;
        font-weight: 500;
    }

    .utr-input-group .btn {
        padding: 0.65rem 1.25rem;
        white-space: nowrap;
    }

    .helper-text {
        display: block;
        font-size: 0.775rem;
        color: #64748b;
        margin-top: 0.5rem;
        line-height: 1.4;
    }

    .helper-text i {
        color: #3b82f6;
    }

    .total-price {
        font-size: 1.35rem;
        font-weight: 700;
        color: #4f46e5;
    }

    @media (max-width: 640px) {
        .upi-payment-container {
            padding: 1rem;
        }

        .qr-frame {
            width: 190px;
            height: 190px;
        }

        .upi-id-box {
            flex-direction: column;
            align-items: flex-start;
        }

        .utr-input-group {
            flex-direction: column;
        }

        .utr-input-group .btn {
            width: 100%;
        }
    }

    /* ============ Receipt Upload Dropzone & Preview Styles ============ */
    .receipt-upload-section {
        margin-top: 1.25rem;
        text-align: left;
    }

    .receipt-dropzone {
        position: relative;
        border: 2px dashed #cbd5e1;
        border-radius: 12px;
        background: #f8fafc;
        padding: 1.25rem 1rem;
        text-align: center;
        transition: all 0.25s ease;
        cursor: pointer;
        overflow: hidden;
    }

    .receipt-dropzone:hover,
    .receipt-dropzone.dragover {
        border-color: var(--primary-color, #4f46e5);
        background: #eef2ff;
    }

    .receipt-file-input {
        position: absolute;
        inset: 0;
        opacity: 0;
        width: 100%;
        height: 100%;
        cursor: pointer;
        z-index: 2;
    }

    .dropzone-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
        pointer-events: none;
    }

    .dropzone-icon {
        font-size: 2rem;
        color: var(--primary-color, #4f46e5);
        margin-bottom: 0.25rem;
    }

    .dropzone-text h6 {
        margin: 0;
        font-size: 0.925rem;
        font-weight: 600;
        color: #1e293b;
    }

    .dropzone-text p {
        margin: 0.2rem 0 0.5rem;
        font-size: 0.775rem;
        color: #64748b;
    }

    .btn-browse-file {
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
        padding: 0.35rem 0.85rem;
        font-size: 0.8rem;
        font-weight: 500;
        background: var(--white, #ffffff);
        color: var(--primary-color, #4f46e5);
        border: 1px solid #cbd5e1;
        border-radius: 6px;
        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
        pointer-events: auto;
        cursor: pointer;
        transition: all 0.2s ease;
    }

    .btn-browse-file:hover {
        background: #f1f5f9;
        border-color: #94a3b8;
    }

    .receipt-preview-card {
        display: flex;
        align-items: center;
        gap: 0.85rem;
        background: #ffffff;
        border: 1px solid #e2e8f0;
        border-radius: 10px;
        padding: 0.75rem 1rem;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
        position: relative;
        z-index: 3;
        text-align: left;
    }

    .preview-file-icon {
        width: 42px;
        height: 42px;
        border-radius: 8px;
        background: #eff6ff;
        color: #2563eb;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.25rem;
        flex-shrink: 0;
    }

    .preview-file-info {
        display: flex;
        flex-direction: column;
        flex-grow: 1;
        min-width: 0;
    }

    .preview-filename {
        font-weight: 600;
        font-size: 0.875rem;
        color: #1e293b;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .preview-filesize {
        font-size: 0.75rem;
        color: #64748b;
    }

    .preview-upload-status {
        display: inline-flex;
        align-items: center;
        gap: 0.25rem;
        font-size: 0.75rem;
        font-weight: 500;
        color: #16a34a;
        margin-top: 0.2rem;
    }

    .preview-upload-status.uploading {
        color: #2563eb;
    }

    .btn-remove-receipt {
        background: none;
        border: none;
        color: #94a3b8;
        font-size: 1.1rem;
        cursor: pointer;
        padding: 0.35rem;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.2s ease;
        flex-shrink: 0;
    }

    .btn-remove-receipt:hover {
        background: #fee2e2;
        color: #dc2626;
    }