/* =============================================
   RESUMIDO - Estilos principales
   Estetica: Dark, Glassmorphism, Premium
   ============================================= */

:root {
    --bg-dark: #0a0a0b;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.07);
    --bg-glass: rgba(255, 255, 255, 0.06);
    --bg-input: rgba(255, 255, 255, 0.08);
    --bg-sidebar: rgba(15, 15, 18, 0.95);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-light: rgba(255, 255, 255, 0.12);
    --text-primary: #f0f0f0;
    --text-secondary: #a0a0a0;
    --text-muted: #666;
    --accent: #b8ff57;
    --accent-dark: #8ecc3a;
    --accent-glow: rgba(184, 255, 87, 0.15);
    --danger: #ff4757;
    --success: #2ed573;
    --warning: #ffa502;
    --info: #1e90ff;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --sidebar-width: 240px;
    --mobile-header-height: 60px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);
}

/* === Reset === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

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

/* === Scrollbar === */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* === Sidebar === */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-sidebar);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-logo {
    height: 28px;
    width: auto;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.sidebar-link:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.sidebar-link.active {
    background: var(--accent-glow);
    color: var(--accent);
}

.sidebar-link i {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

.sidebar-divider {
    height: 1px;
    background: var(--border-color);
    margin: 8px 16px;
}

.sidebar-footer {
    padding: 16px 12px;
    border-top: 1px solid var(--border-color);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    margin-bottom: 8px;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-avatar i {
    font-size: 14px;
    color: var(--text-secondary);
}

.user-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.logout-link:hover {
    color: var(--danger) !important;
}

/* === Mobile Header === */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--mobile-header-height);
    background: var(--bg-sidebar);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 0 16px;
    align-items: center;
    justify-content: space-between;
    z-index: 99;
}

.mobile-logo {
    height: 24px;
}

.menu-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
}

.mobile-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.mobile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mobile-avatar i {
    font-size: 14px;
    color: var(--text-secondary);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 99;
}

/* === Main Content === */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    padding: 32px 40px;
}

/* === Public Layout === */
.public-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: rgba(10, 10, 11, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    z-index: 50;
}

.public-logo {
    height: 28px;
}

.public-nav {
    display: flex;
    gap: 12px;
    align-items: center;
}

.public-main {
    padding-top: 70px;
    min-height: 100vh;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent);
    color: #0a0a0b;
}

.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.btn-ghost:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    opacity: 0.9;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

.btn-google {
    background: white;
    color: #333;
    border: 1px solid #ddd;
}

.btn-google:hover {
    background: #f5f5f5;
}

.btn-google img {
    width: 18px;
    height: 18px;
}

/* === Cards === */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: var(--transition);
}

.card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
}

.card-glass {
    background: var(--bg-glass);
    backdrop-filter: blur(24px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

/* === Post Cards === */
.post-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.post-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.post-card-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    background: var(--bg-glass);
}

.post-card-body {
    padding: 16px;
}

.post-card-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.post-card-source {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 4px;
}

.post-card-time {
    font-size: 12px;
    color: var(--text-muted);
}

.post-card-title {
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card-excerpt {
    font-size: 13px;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    border-top: 1px solid var(--border-color);
}

.post-card-stat {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--text-muted);
}

.post-card-bookmark {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
}

.post-card-bookmark:hover,
.post-card-bookmark.saved {
    color: var(--accent);
}

/* === Grid === */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

/* === Section Blocks === */
.section-block {
    margin-bottom: 40px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.section-title {
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title i {
    font-size: 22px;
}

.section-more {
    font-size: 13px;
    color: var(--accent);
    font-weight: 500;
}

/* === Horizontal Scroll === */
.scroll-container {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 8px;
    scroll-snap-type: x mandatory;
}

.scroll-container::-webkit-scrollbar {
    height: 4px;
}

.scroll-container .post-card {
    min-width: 280px;
    max-width: 320px;
    flex-shrink: 0;
    scroll-snap-align: start;
}

/* === Forms === */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-control::placeholder {
    color: var(--text-muted);
}

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

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a0a0a0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-error {
    font-size: 12px;
    color: var(--danger);
    margin-top: 4px;
}

.form-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 24px 0;
    color: var(--text-muted);
    font-size: 13px;
}

.form-divider::before,
.form-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

/* === Auth Pages === */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 40px 20px;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    padding: 40px;
    background: var(--bg-glass);
    backdrop-filter: blur(24px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.auth-logo {
    display: block;
    height: 32px;
    margin: 0 auto 32px;
}

.auth-title {
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 8px;
}

.auth-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 32px;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 14px;
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--accent);
    font-weight: 500;
}

/* === Alerts === */
.alert {
    padding: 12px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 14px;
    animation: slideDown 0.3s ease;
}

.alert-success {
    background: rgba(46, 213, 115, 0.12);
    border: 1px solid rgba(46, 213, 115, 0.3);
    color: var(--success);
}

.alert-error {
    background: rgba(255, 71, 87, 0.12);
    border: 1px solid rgba(255, 71, 87, 0.3);
    color: var(--danger);
}

.alert-warning {
    background: rgba(255, 165, 2, 0.12);
    border: 1px solid rgba(255, 165, 2, 0.3);
    color: var(--warning);
}

/* === Onboarding === */
.onboarding-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 40px 20px;
}

.onboarding-card {
    width: 100%;
    max-width: 600px;
    padding: 48px;
    background: var(--bg-glass);
    backdrop-filter: blur(24px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.onboarding-step {
    font-size: 13px;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 8px;
}

.onboarding-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.onboarding-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.option-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
    margin-bottom: 32px;
}

.option-item {
    position: relative;
}

.option-item input[type="checkbox"] {
    display: none;
}

.option-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 20px 12px;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.option-label i {
    font-size: 24px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.option-label span {
    font-size: 13px;
    font-weight: 500;
}

.option-item input:checked + .option-label {
    border-color: var(--accent);
    background: var(--accent-glow);
}

.option-item input:checked + .option-label i {
    color: var(--accent);
}

.option-label:hover {
    border-color: rgba(255, 255, 255, 0.2);
    background: var(--bg-card-hover);
}

/* === Progress Bar === */
.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    margin-bottom: 32px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    transition: width 0.5s ease;
}

/* === Admin === */
.admin-layout .main-content {
    background: var(--bg-dark);
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.admin-title {
    font-size: 24px;
    font-weight: 700;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.stat-card-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    font-size: 18px;
}

.stat-card-value {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-card-label {
    font-size: 13px;
    color: var(--text-secondary);
}

/* === Tables === */
.table-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

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

.data-table th {
    padding: 14px 20px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 14px 20px;
    font-size: 14px;
    border-bottom: 1px solid var(--border-color);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover td {
    background: var(--bg-card-hover);
}

/* === Badges === */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: rgba(46, 213, 115, 0.15);
    color: var(--success);
}

.badge-danger {
    background: rgba(255, 71, 87, 0.15);
    color: var(--danger);
}

.badge-warning {
    background: rgba(255, 165, 2, 0.15);
    color: var(--warning);
}

.badge-info {
    background: rgba(30, 144, 255, 0.15);
    color: var(--info);
}

/* === Profile === */
.profile-header {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 32px;
}

.profile-avatar-large {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--bg-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 2px solid var(--border-color);
}

.profile-avatar-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-avatar-large i {
    font-size: 32px;
    color: var(--text-muted);
}

.profile-info h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 4px;
}

.profile-info p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* === Error Page === */
.error-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
}

.error-container {
    padding: 40px;
}

.error-logo {
    height: 32px;
    margin-bottom: 40px;
}

.error-container h1 {
    font-size: 96px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 16px;
}

.error-container p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* === Utilities === */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }

/* === Animations === */
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.4s ease;
}

/* === Responsive === */
@media (max-width: 1024px) {
    .main-content {
        padding: 24px 24px;
    }

    .posts-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

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

    .mobile-header {
        display: flex;
    }

    .main-content {
        margin-left: 0;
        padding: 16px;
        padding-top: calc(var(--mobile-header-height) + 16px);
    }

    .public-header {
        padding: 0 16px;
    }

    .public-logo {
        height: 22px;
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .auth-card {
        padding: 28px 24px;
    }

    .onboarding-card {
        padding: 32px 24px;
    }

    .option-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .admin-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

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

    .profile-header {
        flex-direction: column;
        text-align: center;
    }

    .section-title {
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .option-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .public-nav .btn {
        padding: 8px 14px;
        font-size: 13px;
    }

    .scroll-container .post-card {
        min-width: 250px;
    }
}