/* P2P Pages styles (detail, support, answers, responsive) */
/* --- Home Welcome Section --- */
.home-welcome-card {
    background: #f8fbff;
    /* Slightly altered from bg color #F0F8FF */
    border: 1px solid rgba(123, 47, 246, 0.08);
    border-radius: 32px;
    padding: 48px;
    color: var(--color-text-primary);
    margin-bottom: 40px;
    box-shadow: 0 40px 80px rgba(36, 0, 70, 0.12);
    /* Higher shadow for highlighted design */
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    width: 100%;
}

.welcome-close-btn {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 10;
}

.welcome-close-btn:hover {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    transform: rotate(90deg) scale(1.1);
}

.home-welcome-card::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.welcome-header {
    margin-bottom: var(--space-xl);
}

.welcome-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(123, 47, 246, 0.08);
    color: var(--color-primary);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.welcome-header h2 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--color-text-primary);
    letter-spacing: -2px;
}

.welcome-header p {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    line-height: 1.6;
}

.welcome-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    width: 100%;
    margin-top: 24px;
}

@media (min-width: 1024px) {
    .welcome-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.feature-card {
    background: linear-gradient(135deg, #3C096C 0%, #240046 100%);
    /* Purple texture gradient */
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 28px;
    padding: 32px;
    position: relative;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    min-height: 240px;
    box-shadow: 0 15px 35px rgba(36, 0, 70, 0.2);
}

.feature-card.visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.feature-card:hover {
    transform: translateY(-12px);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    box-shadow: 0 25px 50px rgba(123, 47, 246, 0.25);
}

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: #ffffff;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 2;
}

.feature-card:hover .feature-icon-wrapper {
    background: #ffffff;
    color: var(--color-primary);
    transform: rotate(8deg) scale(1.1);
    box-shadow: 0 0 25px rgba(255, 255, 255, 0.3);
}

.feature-card h4 {
    color: white;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
    z-index: 2;
    letter-spacing: -0.01em;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.95rem;
    line-height: 1.6;
    z-index: 2;
    margin: 0;
}

.feature-watermark {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 140px;
    height: 140px;
    opacity: 0.02;
    color: white;
    transform: rotate(-15deg);
    pointer-events: none;
    transition: all 0.6s ease;
    z-index: 1;
}

.feature-card:hover .feature-watermark {
    opacity: 0.06;
    transform: rotate(10deg) scale(1.2);
    color: #00F2FF;
}

/* Specific delays if JS fails or for initial state */
.feature-card:nth-child(1) {
    transition-delay: 0.1s;
}

.feature-card:nth-child(2) {
    transition-delay: 0.2s;
}

.feature-card:nth-child(3) {
    transition-delay: 0.3s;
}

.feature-card:nth-child(4) {
    transition-delay: 0.4s;
}

.welcome-item h4 {
    margin-bottom: 4px;
    font-size: var(--font-size-md);
    color: white;
}

.welcome-item p {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.4;
}

.feed-separator {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.feed-separator::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.feed-separator span {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* --- Campus Insights & Stats --- */
.campus-insights {
    margin-bottom: var(--space-2xl);
    animation: fadeIn 1s ease-out;
    width: 100%;
}

/* --- Announcements --- */
.announcement-banner {
    background: #ffffff;
    border: 1px solid rgba(123, 47, 246, 0.1);
    border-radius: 20px;
    padding: 24px;
    margin-bottom: 32px;
    box-shadow: 0 10px 30px rgba(36, 0, 70, 0.05);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
}

.announcement-banner:hover {
    box-shadow: 0 15px 40px rgba(123, 47, 246, 0.12);
    transform: translateY(-2px);
}

.announcement-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.announcement-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(123, 47, 246, 0.08);
    color: var(--color-primary);
    padding: 4px 12px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 0.85rem;
    width: fit-content;
}

.announcement-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    line-height: 1.4;
}

.insights-header {
    margin-bottom: var(--space-lg);
}

.insights-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.insights-header p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.stats-grid {
    display: flex;
    flex-direction: row;
    gap: 24px;
    width: 100%;
    margin-bottom: 32px;
}

.stat-card {
    flex: 1;
    background: var(--color-bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    transition: all var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon.qa {
    background: rgba(123, 47, 246, 0.1);
    color: var(--color-qa);
}

.stat-icon.lost {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-lost);
}

.stat-icon.found {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-found);
}

.stat-icon.market {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-market);
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-text-primary);
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* --- Quick Actions --- */
.home-quick-actions {
    display: flex;
    flex-direction: row;
    gap: 24px;
    width: 100%;
    margin-top: 32px;
}

.action-card {
    flex: 1;
    background: var(--color-bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: var(--space-xl) var(--space-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.action-card:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-accent);
    transform: scale(1.02);
}

.action-icon {
    font-size: 2rem;
}

.action-card span {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-primary);
}

/* --- Original Page Styles --- */

.post-detail-container {
    max-width: 800px;
    margin: 0 auto;
}

.post-detail-back {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.post-detail-back:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.post-detail-card {
    background: var(--color-bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.post-detail-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.post-detail-body {
    padding: var(--space-lg);
}

.post-detail-image {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--space-lg);
}

.post-detail-description {
    font-size: var(--font-size-md);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-secondary);
    white-space: pre-wrap;
}

.answers-section {
    padding: var(--space-lg);
    border-top: 1px solid var(--border-color);
}

.answers-section h3 {
    margin-bottom: var(--space-lg);
}

.answer-card {
    background: var(--color-bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
    transition: all var(--transition-fast);
}

.answer-card.helpful {
    background: var(--color-success-bg);
    border-color: var(--color-success);
}

.helpful-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: var(--color-success);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    border-radius: 20px;
    margin-bottom: var(--space-sm);
}

.answer-text {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-secondary);
    margin: var(--space-sm) 0;
    white-space: pre-wrap;
}

.answer-form {
    margin-top: var(--space-lg);
}

.answer-form textarea {
    margin-bottom: var(--space-sm);
}

.mark-helpful-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-success);
    border: 1px solid var(--color-success);
    border-radius: 20px;
    background: white;
    transition: all var(--transition-fast);
    margin-top: var(--space-sm);
}

.mark-helpful-btn:hover {
    background: var(--color-success);
    color: white;
}

/* Support */
.support-container {
    display: flex;
    justify-content: center;
    padding: var(--space-xl) 0;
}

.support-card {
    text-align: center;
    max-width: 600px;
    width: 100%;
}

.support-icon {
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
}

.support-card h1 {
    margin-bottom: var(--space-md);
}

.support-card>p {
    margin-bottom: var(--space-xl);
    line-height: var(--line-height-relaxed);
}

.support-contact {
    margin-bottom: var(--space-2xl);
}

.support-email-card {
    display: inline-flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    text-align: left;
}

.support-email-card svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

.support-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: var(--font-weight-semibold);
}

.support-email {
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent);
    font-size: var(--font-size-lg);
}

.support-faq {
    text-align: left;
}

.support-faq h2 {
    margin-bottom: var(--space-lg);
    font-size: var(--font-size-xl);
    text-align: center;
}

/* Responsive */
@media (max-width: 1024px) {
    .content-area {
        margin-left: 0;
        max-width: 100%;
    }

    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar-overlay.show {
        display: block;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .auth-container {
        grid-template-columns: 1fr;
    }

    .auth-hero {
        display: none;
    }
}

@media (max-width: 768px) {
    .content-area {
        padding: var(--space-md);
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .page-header .btn {
        width: 100%;
    }

    .top-navbar {
        padding: 0 var(--space-md);
    }

    .navbar-center {
        display: none;
    }

    .toast-container {
        left: var(--space-md);
        right: var(--space-md);
        bottom: var(--space-md);
    }

    .toast {
        min-width: auto;
        max-width: none;
    }

    h1 {
        font-size: var(--font-size-2xl);
    }
}

@media (max-width: 480px) {
    .auth-form-section {
        padding: var(--space-lg);
    }

    .profile-completion-card {
        padding: var(--space-lg);
    }

    .modal {
        margin: var(--space-md);
        max-height: calc(100vh - var(--space-xl));
    }

    .stats-grid,
    .home-quick-actions {
        flex-direction: column !important;
    }
}