/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background-color: #E3F0E7 !important; /* Mint Page Background */
    color: #0F4A46; /* Dark Teal */
    line-height: 1.6;
    min-height: 100vh;
    font-weight: 500;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 72px;
    z-index: 1000;
    transition: background-color 250ms ease, color 250ms ease, box-shadow 250ms ease, border-color 250ms ease;
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .navbar {
        transition: none;
    }
}

/* Transparent navbar state (over hero) */
.nav--transparent {
    background: transparent;
    box-shadow: none;
    border-bottom: none;
}

/* Solid navbar state (after scroll) */
.nav--solid {
    background: #ffffff;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    margin-right: 48px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
}

.logo-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.nav-logo h1 {
    font-size: 18px;
    font-weight: 700;
    margin: 0;
    white-space: nowrap;
    line-height: 1;
}

.nav--transparent .nav-logo h1 {
    color: #ffffff;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.nav--solid .nav-logo h1 {
    color: #0f172a;
    text-shadow: none;
}

.nav-logo .subtitle {
    font-size: 12px;
    font-weight: 500;
    margin: 0;
    line-height: 1;
}

.nav--transparent .nav-logo .subtitle {
    color: rgba(255, 255, 255, 0.85);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.nav--solid .nav-logo .subtitle {
    color: #6b7280;
    text-shadow: none;
}

.nav-links {
    display: flex;
    gap: 4px;
    align-items: center;
    flex: 1;
    justify-content: flex-start;
}

.nav-actions {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-shrink: 0;
}

.nav-link {
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: color 200ms ease, background-color 200ms ease;
    position: relative;
    padding: 8px 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav--transparent .nav-link {
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.nav--solid .nav-link {
    color: #0f172a;
    text-shadow: none;
}

.nav--transparent .nav-link:hover,
.nav--transparent .nav-link:focus {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
}

.nav--transparent .nav-link.active {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.2);
}

.nav--solid .nav-link:hover,
.nav--solid .nav-link:focus {
    color: #0f172a;
    background: rgba(0, 0, 0, 0.05);
}

.nav--solid .nav-link.active {
    color: #0f172a;
    background: rgba(0, 0, 0, 0.1);
}

.nav-link::after {
    display: none;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
    position: relative;
    overflow: hidden;
}

.btn:focus {
    box-shadow: 0 0 0 3px rgba(42, 110, 123, 0.3);
    outline: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: #2A6E7B; /* Primary Teal */
    color: #FFFFFF; /* Button Text on Teal */
    box-shadow: 0 4px 12px rgba(42, 110, 123, 0.3);
    border-radius: 12px;
}

.btn-primary:hover:not(:disabled) {
    background: #255F6A; /* Primary Teal Hover */
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(42, 110, 123, 0.4);
}

.btn-secondary {
    background: #FFFFFF; /* Card/Surface */
    color: #2A6E7B; /* Primary Teal */
    border: 2px solid #2A6E7B; /* Primary Teal */
    box-shadow: 0 4px 12px rgba(42, 110, 123, 0.1);
    border-radius: 12px;
}

.btn-secondary:hover:not(:disabled) {
    background: #2A6E7B; /* Primary Teal */
    color: #FFFFFF; /* Button Text on Teal */
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(42, 110, 123, 0.3);
}

.btn-outline {
    background: transparent;
    color: #2A6E7B; /* Primary Teal */
    border: 2px solid #2A6E7B; /* Primary Teal */
    border-radius: 12px;
}

.btn-outline:hover:not(:disabled) {
    background: #2A6E7B; /* Primary Teal */
    color: #FFFFFF; /* Button Text on Teal */
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(42, 110, 123, 0.3);
}

.nav--transparent .btn-outline {
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.85);
    background: rgba(255, 255, 255, 0.06);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.nav--transparent .btn-outline:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.95);
    transform: translateY(-1px);
}

.nav--solid .btn-outline {
    color: #0f172a;
    border: 2px solid #0f172a;
    background: transparent;
    text-shadow: none;
}

.nav--solid .btn-outline:hover:not(:disabled) {
    background: #0f172a;
    color: #ffffff;
    border-color: #0f172a;
    transform: translateY(-1px);
}

.btn-danger {
    background: #dc2626;
    color: #ffffff;
}

.btn-danger:hover:not(:disabled) {
    background: #b91c1c;
    transform: translateY(-2px);
}

/* Form Elements */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #0F4A46; /* Dark Teal */
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #D9E6DF; /* Border/Divider */
    border-radius: 12px;
    background: #FFFFFF; /* Card/Surface */
    color: #0F4A46; /* Dark Teal */
    font-size: 16px;
    font-weight: 500;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2A6E7B; /* Primary Teal */
    box-shadow: 0 0 0 3px rgba(42, 110, 123, 0.1);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.modal-content {
    background: #FFFFFF;
    border-radius: 20px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid #E5E7EB;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal.show .modal-content {
    transform: scale(1);
}

.modal-content.large {
    max-width: 800px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    border-bottom: 1px solid #e5e5e5;
}

.modal-header h2 {
    margin: 0;
    font-size: 20px;
    color: #0F172A;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: #6b7280;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: #1a1a1a;
}

.modal-body {
    padding: 24px;
}

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}

/* Drawer Styles */
.drawer {
    display: none;
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100%;
    background: #FFFFFF;
    border-left: 1px solid #E5E7EB;
    box-shadow: -4px 0 6px -1px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: right 0.3s ease;
}

.drawer.show {
    display: block;
    right: 0;
}

.drawer-content {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    border-bottom: 1px solid #e5e5e5;
}

.drawer-close {
    background: none;
    border: none;
    font-size: 24px;
    color: #6b7280;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: color 0.3s ease;
}

.drawer-close:hover {
    color: #1a1a1a;
}

.drawer-body {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

/* Toast Styles */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #22c55e;
    color: white;
    padding: 16px 24px;
    border-radius: 8px;
    font-weight: 600;
    z-index: 2000;
    transform: translateX(400px);
    transition: transform 0.3s ease;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

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

.toast.error {
    background: #dc2626;
}

/* Loading Spinner */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #e5e5e5;
    border-top: 3px solid #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Tags */
.tag {
    display: inline-block;
    padding: 6px 12px;
    background: #EEF2FF;
    color: #2A6E7B;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    .nav-container {
        padding: 0 16px;
    }

    .nav-links {
        gap: 20px;
    }

    .nav-link {
        font-size: 14px;
    }

    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    .modal-content {
        margin: 20px;
        width: calc(100% - 40px);
    }

    .drawer {
        width: 100%;
        right: -100%;
    }
}

/* Focus Indicators */
*:focus-visible {
    outline: 2px solid #2A6E7B;
    outline-offset: 2px;
}

button:focus-visible,
.btn:focus-visible {
    outline: 2px solid #2A6E7B;
    outline-offset: 2px;
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    max-width: 400px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal.show .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 24px 0 24px;
    border-bottom: 1px solid #E5E7EB;
    margin-bottom: 24px;
}

.modal-header h2 {
    font-size: 20px;
    font-weight: 700;
    color: #1F2937;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: #6B7280;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s ease;
    line-height: 1;
}

.modal-close:hover {
    background: #F3F4F6;
    color: #374151;
}

.modal-body {
    padding: 0 24px 24px 24px;
}

.modal-body p {
    color: #6B7280;
    margin-bottom: 24px;
    line-height: 1.6;
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* User Dropdown Styles */
.user-dropdown {
    position: relative;
    display: inline-block;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #2A6E7B, #255F6A);
    color: white;
    border: none;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(42, 110, 123, 0.3);
}

.user-avatar:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(42, 110, 123, 0.4);
}

.user-avatar:focus {
    outline: 2px solid #2A6E7B;
    outline-offset: 2px;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border: 1px solid #E5E7EB;
    min-width: 240px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s ease;
    z-index: 1000;
}

.dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-header {
    padding: 16px 20px;
    border-bottom: 1px solid #F3F4F6;
}

.user-info {
    text-align: center;
}

.user-name {
    font-weight: 600;
    color: #1F2937;
    font-size: 16px;
    margin-bottom: 4px;
}

.user-email {
    color: #6B7280;
    font-size: 14px;
}

.dropdown-divider {
    height: 1px;
    background: #F3F4F6;
    margin: 8px 0;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: #374151;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
}

.dropdown-item:hover {
    background: #F9FAFB;
    color: #1F2937;
}

.dropdown-item svg {
    flex-shrink: 0;
    color: #6B7280;
}

.dropdown-item:hover svg {
    color: #2A6E7B;
}

.logout-btn {
    color: #DC2626 !important;
}

.logout-btn:hover {
    background: #FEF2F2 !important;
    color: #B91C1C !important;
}

.logout-btn svg {
    color: #DC2626 !important;
}

.logout-btn:hover svg {
    color: #B91C1C !important;
}

/* Challenge Detail Modal Styles */
.challenge-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
}

.challenge-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.challenge-modal-content {
    position: relative;
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    max-width: 1000px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.challenge-modal-header {
    background: #2A6E7B;
    color: white;
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
}

.challenge-header-info {
    display: flex;
    gap: 16px;
    flex: 1;
}

.challenge-logo {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    overflow: hidden;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.challenge-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.challenge-title-section {
    flex: 1;
}

.challenge-title-section h2 {
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 8px 0;
    color: white;
}

.challenge-organizer {
    font-size: 16px;
    color: #E0F2FE;
    margin-bottom: 12px;
}

.challenge-meta-row {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
    font-size: 14px;
    color: #E0F2FE;
}

.highlight-badge {
    background: #FEF3C7;
    color: #92400E;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    display: inline-block;
}

.challenge-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.challenge-tag {
    background: #E0F2FE;
    color: #0369A1;
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 500;
}

.challenge-header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.modal-close {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

.challenge-modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

.quick-facts-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.fact-tile {
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    border-radius: 12px;
    padding: 16px;
    text-align: center;
}

.fact-label {
    font-size: 12px;
    color: #6B7280;
    margin-bottom: 8px;
    font-weight: 500;
}

.fact-value {
    font-size: 18px;
    font-weight: 700;
    color: #1F2937;
}

.days-left-pill {
    background: #FEF3C7;
    color: #92400E;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 4px;
}

.deadline-date {
    font-size: 14px;
    color: #6B7280;
}

.challenge-card {
    background: white;
    border: 1px solid #E2E8F0;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: #1F2937;
    margin: 0 0 16px 0;
    padding-bottom: 8px;
    border-bottom: 2px solid #2A6E7B;
}

.eligibility-pills {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.eligibility-pill {
    background: #D1FAE5;
    color: #065F46;
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 500;
}

.eligibility-details {
    font-size: 14px;
    color: #6B7280;
    line-height: 1.6;
}

.timeline {
    position: relative;
}

.timeline-item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    position: relative;
}

.timeline-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 20px;
    top: 40px;
    bottom: -24px;
    width: 2px;
    background: #E2E8F0;
}

.timeline-date {
    background: #2A6E7B;
    color: white;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    min-width: 80px;
    text-align: center;
    height: fit-content;
}

.timeline-content {
    flex: 1;
}

.timeline-title {
    font-size: 16px;
    font-weight: 600;
    color: #1F2937;
    margin-bottom: 8px;
}

.timeline-description {
    font-size: 14px;
    color: #6B7280;
    line-height: 1.5;
    margin-bottom: 8px;
}

.timeline-dates {
    font-size: 12px;
    color: #9CA3AF;
    margin-bottom: 8px;
}

.timeline-link {
    color: #2A6E7B;
    text-decoration: none;
    font-size: 12px;
    font-weight: 500;
}

.timeline-link:hover {
    text-decoration: underline;
}

.about-content {
    font-size: 14px;
    color: #6B7280;
    line-height: 1.6;
    margin-bottom: 20px;
}

.eligibility-criteria {
    margin-top: 20px;
}

.eligibility-criteria h4 {
    font-size: 14px;
    font-weight: 600;
    color: #1F2937;
    margin-bottom: 8px;
}

.eligibility-criteria ul {
    margin: 0 0 16px 0;
    padding-left: 20px;
}

.eligibility-criteria li {
    font-size: 14px;
    color: #6B7280;
    margin-bottom: 4px;
}

.important-dates {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.date-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: #F8FAFC;
    border-radius: 8px;
}

.date-icon {
    width: 20px;
    height: 20px;
    color: #2A6E7B;
}

.date-label {
    font-size: 14px;
    font-weight: 500;
    color: #1F2937;
}

.date-value {
    font-size: 14px;
    color: #6B7280;
    margin-left: auto;
}

.rewards-banner {
    margin-bottom: 20px;
}

.rewards-badge {
    background: #FEF3C7;
    color: #92400E;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.prizes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 16px;
}

.prize-card {
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    border-radius: 12px;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.prize-info {
    flex: 1;
}

.prize-title {
    font-size: 16px;
    font-weight: 600;
    color: #1F2937;
    margin-bottom: 8px;
}

.prize-description {
    font-size: 14px;
    color: #6B7280;
    margin-bottom: 8px;
}

.prize-amount {
    font-size: 24px;
    font-weight: 700;
    color: #1F2937;
    margin-bottom: 8px;
}

.prize-perk {
    background: #D1FAE5;
    color: #065F46;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    display: inline-block;
}

.prize-illustration {
    width: 60px;
    height: 60px;
    background: #E0F2FE;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0369A1;
    font-size: 24px;
}

.challenge-modal-footer {
    background: #F8FAFC;
    border-top: 1px solid #E2E8F0;
    padding: 20px 24px;
    position: sticky;
    bottom: 0;
}

.action-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .challenge-modal {
        padding: 10px;
    }
    
    .challenge-modal-content {
        max-height: 95vh;
    }
    
    .challenge-modal-header {
        padding: 16px;
        flex-direction: column;
        gap: 16px;
    }
    
    .challenge-header-info {
        flex-direction: column;
        gap: 12px;
    }
    
    .challenge-title-section h2 {
        font-size: 20px;
    }
    
    .challenge-modal-body {
        padding: 16px;
    }
    
    .quick-facts-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .fact-tile {
        padding: 12px;
    }
    
    .challenge-card {
        padding: 16px;
    }
    
    .timeline-item {
        flex-direction: column;
        gap: 8px;
    }
    
    .timeline-item:not(:last-child)::after {
        display: none;
    }
    
    .timeline-date {
        align-self: flex-start;
    }
    
    .prizes-grid {
        grid-template-columns: 1fr;
    }
    
    .prize-card {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
    
    .action-buttons {
        flex-direction: column;
    }
}

/* Floating Chatbot Styles */
.chatbot-floating-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2A6E7B, #2A6E7B);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
    transition: all 0.3s ease;
    z-index: 1000;
    color: white;
    flex-direction: column;
    gap: 2px;
}

.chatbot-floating-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.6);
}

.chatbot-floating-btn.active {
    background: linear-gradient(135deg, #255F6A, #255F6A);
}

.chatbot-btn-text {
    font-size: 10px;
    font-weight: 600;
    line-height: 1;
}

.chatbot-modal {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 380px;
    height: 500px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: all 0.3s ease;
    border: 1px solid #E5E7EB;
    overflow: hidden;
}

.chatbot-modal.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.chatbot-modal.minimized {
    height: 60px;
}

.chatbot-modal-content {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.chatbot-header {
    background: linear-gradient(135deg, #2A6E7B, #2A6E7B);
    color: white;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.chatbot-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chatbot-avatar {
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chatbot-title h3 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    line-height: 1.2;
}

.chatbot-status {
    font-size: 12px;
    opacity: 0.8;
    display: block;
    margin-top: 2px;
}

.chatbot-controls {
    display: flex;
    gap: 8px;
}

.chatbot-minimize-btn,
.chatbot-close-btn {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: background 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chatbot-minimize-btn:hover,
.chatbot-close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.chatbot-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chatbot-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chatbot-message {
    display: flex;
    gap: 8px;
    max-width: 85%;
}

.chatbot-message.user-message {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.chatbot-message.bot-message {
    align-self: flex-start;
}

.message-avatar {
    width: 24px;
    height: 24px;
    background: #F3F4F6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #6B7280;
}

.message-content {
    background: #F3F4F6;
    color: #374151;
    padding: 10px 14px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.4;
    word-wrap: break-word;
}

.user-message .message-content {
    background: #2A6E7B;
    color: white;
    border-bottom-right-radius: 4px;
}

.bot-message .message-content {
    border-bottom-left-radius: 4px;
}

.message-time {
    font-size: 11px;
    color: #9CA3AF;
    margin-top: 4px;
    text-align: right;
}

.bot-message .message-time {
    text-align: left;
}

.chatbot-typing {
    padding: 0 16px 16px 16px;
}

.typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 10px 14px;
    background: #F3F4F6;
    border-radius: 16px;
    border-bottom-left-radius: 4px;
    width: fit-content;
}

.typing-indicator span {
    width: 6px;
    height: 6px;
    background: #9CA3AF;
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-8px); }
}

.chatbot-footer {
    border-top: 1px solid #E5E7EB;
    padding: 16px;
    flex-shrink: 0;
}

.chatbot-input-container {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.chatbot-input-container input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid #D1D5DB;
    border-radius: 20px;
    outline: none;
    font-size: 14px;
    background: #F9FAFB;
    transition: all 0.2s ease;
}

.chatbot-input-container input:focus {
    border-color: #2A6E7B;
    background: white;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.chatbot-send-btn {
    width: 40px;
    height: 40px;
    background: #2A6E7B;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.chatbot-send-btn:hover:not(:disabled) {
    background: #2A6E7B;
    transform: scale(1.05);
}

.chatbot-send-btn:disabled {
    background: #D1D5DB;
    cursor: not-allowed;
    transform: none;
}

.chatbot-quick-questions {
    margin-top: 8px;
}

.quick-questions-title {
    font-size: 12px;
    color: #6B7280;
    margin-bottom: 8px;
    font-weight: 500;
}

.quick-questions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}

.quick-question-btn {
    padding: 6px 10px;
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    border-radius: 8px;
    color: #475569;
    font-size: 11px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    font-weight: 500;
}

.quick-question-btn:hover {
    background: #2A6E7B;
    color: white;
    border-color: #2A6E7B;
}

/* Responsive Design */
@media (max-width: 768px) {
    .chatbot-modal {
        width: calc(100vw - 40px);
        height: calc(100vh - 100px);
        bottom: 10px;
        right: 10px;
        left: 10px;
        top: 10px;
        border-radius: 12px;
    }
    
    .chatbot-floating-btn {
        bottom: 15px;
        right: 15px;
        width: 56px;
        height: 56px;
    }
    
    .quick-questions-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .chatbot-modal {
        width: calc(100vw - 20px);
        height: calc(100vh - 80px);
        bottom: 10px;
        right: 10px;
        left: 10px;
        top: 10px;
    }
    
    .chatbot-floating-btn {
        width: 52px;
        height: 52px;
    }
    
    .chatbot-btn-text {
        font-size: 9px;
    }
}

/* Existing Modal Styles */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        margin: 20px;
    }
    
    .dropdown-menu {
        right: -20px;
        left: auto;
        min-width: 200px;
    }
    
    .user-avatar {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
}