/* Reset & Import */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Base variables and Light Theme */
:root {
    --bg-gradient: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    --text-color: #1e293b;
    --text-muted: #64748b;
    --card-bg: rgba(255, 255, 255, 0.7);
    --card-border: rgba(255, 255, 255, 0.5);
    --accent-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --accent-gradient-hover: linear-gradient(135deg, #4338ca 0%, #6d28d9 100%);
    --accent-glow: rgba(99, 102, 241, 0.4);
    --shadow-soft: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
    --shadow-hover: 0 20px 30px -5px rgba(99, 102, 241, 0.15), 0 10px 15px -5px rgba(99, 102, 241, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --input-bg: rgba(255, 255, 255, 0.8);
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-gradient: linear-gradient(135deg, #0b0f19 0%, #111827 100%);
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --card-bg: rgba(30, 41, 59, 0.6);
    --card-border: rgba(255, 255, 255, 0.05);
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --accent-gradient-hover: linear-gradient(135deg, #818cf8 0%, #a78bfa 100%);
    --accent-glow: rgba(139, 92, 246, 0.4);
    --shadow-soft: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
    --shadow-hover: 0 20px 30px -5px rgba(99, 102, 241, 0.3);
    --input-bg: rgba(15, 23, 42, 0.8);
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-gradient);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    transition: background 0.5s ease, color 0.5s ease;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2.5rem;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3.5rem;
    flex-wrap: wrap;
    gap: 1.5rem;
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 1.5rem 2.5rem;
    border-radius: 24px;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-soft);
}

h1 {
    font-size: 2.25rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.2rem;
}

header p {
    color: var(--text-muted);
    font-size: 1.05rem;
}

header p a {
    color: #ef4444;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}
header p a:hover {
    color: #dc2626;
    text-shadow: 0 0 8px rgba(239, 68, 68, 0.3);
}

.controls {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.search-input, .filter-select {
    padding: 0.8rem 1.5rem;
    border: 1px solid var(--card-border);
    border-radius: 9999px;
    background-color: var(--input-bg);
    color: var(--text-color);
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

.search-input:focus, .filter-select:focus {
    border-color: #6366f1;
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.theme-toggle {
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-color);
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
    box-shadow: var(--shadow-soft);
}

.theme-toggle:hover {
    transform: rotate(15deg) scale(1.1);
    border-color: #6366f1;
}

/* Category Sections */
.category-section {
    margin-bottom: 4rem;
    animation: fadeIn 0.8s ease-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.category-heading {
    font-size: 1.75rem;
    margin-bottom: 2rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.category-heading::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 32px;
    background: var(--accent-gradient);
    border-radius: 4px;
}

/* Grid Layout */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem;
}

/* App Card - Glassmorphism */
.app-card {
    background-color: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: var(--transition);
}

.app-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(99, 102, 241, 0.3);
}

.app-card:hover::before {
    opacity: 1;
}

.app-card-header {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

.app-icon {
    font-size: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background: var(--input-bg);
    border-radius: 18px;
    border: 1px solid var(--card-border);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
    transition: var(--transition);
}

.app-card:hover .app-icon {
    transform: scale(1.05) rotate(-5deg);
}

.app-title {
    font-size: 1.4rem;
    color: var(--text-color);
}

.app-category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-top: 0.25rem;
    display: inline-block;
}

.app-desc {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    flex-grow: 1;
    line-height: 1.5;
}

.app-btn {
    display: inline-block;
    text-align: center;
    background: var(--accent-gradient);
    color: white;
    text-decoration: none;
    padding: 0.85rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    transition: var(--transition);
    box-shadow: 0 4px 15px var(--accent-glow);
    border: none;
    cursor: pointer;
}

.app-btn:hover {
    background: var(--accent-gradient-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--accent-glow);
}

.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem;
    font-size: 1.25rem;
    color: var(--text-muted);
    background: var(--card-bg);
    border-radius: 24px;
    border: 1px dashed var(--card-border);
    display: none;
}

/* Admin Form & Login (Also modernized) */
.login-container {
    max-width: 450px;
    margin: 6rem auto;
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    box-shadow: var(--shadow-soft);
    text-align: center;
}

.login-container h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.admin-form {
    margin-top: 2rem;
    text-align: left;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-color);
}

.form-group input {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--card-border);
    border-radius: 12px;
    background: var(--input-bg);
    color: var(--text-color);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    padding: 1rem;
    border-radius: 12px;
    font-weight: 600;
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px var(--accent-glow);
    display: block;
}

.btn-primary:hover {
    background: var(--accent-gradient-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--accent-glow);
}

.alert {
    padding: 1rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.alert-error {
    background-color: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-gradient);
}
::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.5);
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 102, 241, 0.8);
}

/* Nuevos estilos para Portal integrado */
.portal-layout {
    display: flex;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

.portal-sidebar {
    position: absolute;
    top: 0;
    left: -280px;
    height: 100%;
    width: 280px;
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-right: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
    transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 50;
    box-shadow: 4px 0 15px rgba(0,0,0,0.1);
}

.portal-sidebar.open {
    left: 0;
}

.portal-sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--card-border);
}

.portal-sidebar-header h1 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.portal-sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

.portal-sidebar-controls {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.portal-sidebar-controls .search-input,
.portal-sidebar-controls .filter-select {
    width: 100%;
}

.sidebar-category {
    margin-bottom: 1.5rem;
}

.sidebar-category h3 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    padding-left: 0.5rem;
}

.sidebar-menu {
    list-style: none;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
    margin-bottom: 0.25rem;
    cursor: pointer;
    box-shadow: none !important; /* Override card styles */
    border: none !important;
    background: transparent !important;
}

.sidebar-item:hover, .sidebar-item.active {
    background: var(--accent-glow) !important;
    color: var(--text-color);
    transform: translateY(0) !important;
}

.sidebar-item::before {
    display: none !important;
}

.sidebar-item .app-icon {
    font-size: 1.25rem;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.portal-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    background: var(--bg-gradient);
}

.portal-main-header {
    height: 60px;
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    gap: 1rem;
}

.portal-main-title {
    font-size: 1.5rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    margin: 0;
    flex: 1;
    text-align: center;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.portal-iframe-container {
    flex: 1;
    position: relative;
    background: white; /* Base white for iframe content */
}
[data-theme="dark"] .portal-iframe-container {
    background: var(--bg-gradient);
}

.portal-iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

.welcome-screen {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    pointer-events: none;
    background: var(--bg-gradient);
    z-index: 5;
    transition: opacity 0.3s;
}

.welcome-screen h2 {
    font-size: 2.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.welcome-screen p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 500px;
}

/* Mobile Toggle (Now used as Desktop Hover Trigger too) */
.mobile-toggle {
    display: block;
    background: transparent;
    border: none;
    font-size: 1.5rem;
    color: var(--text-color);
    cursor: pointer;
    padding: 0.5rem;
    transition: var(--transition);
}

.mobile-toggle:hover {
    color: var(--accent-color);
    transform: scale(1.1);
}

/* Loader */
.portal-loader {
    position: absolute;
    inset: 0;
    background: var(--bg-gradient);
    z-index: 4;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s;
}

.portal-loader p {
    margin-top: 1.5rem;
    color: var(--text-muted);
    font-size: 1.1rem;
    font-weight: 500;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(99, 102, 241, 0.2);
    border-top: 4px solid #6366f1;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

@media (max-width: 768px) {
    .portal-sidebar {
        position: fixed;
    }
}