:root {
    /* Colores Corporativos Sura */
    --primary-color: #0033a0;
    --secondary-color: #00a4e4;
    --bg-color: #f4f7f9;
    --text-main: #333333;
    --text-muted: #666666;
    
    /* Efectos Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: 1px solid rgba(255, 255, 255, 0.6);
    --glass-shadow: 0 8px 32px 0 rgba(0, 51, 160, 0.08);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    color: var(--primary-color);
}

/* Navbar */
.top-nav {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border-bottom: var(--glass-border);
    box-shadow: var(--glass-shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.brand .subtitle {
    font-size: 0.9rem;
    color: var(--secondary-color);
}

.user-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-greeting {
    font-size: 0.9rem;
    font-weight: 500;
}

/* Botones */
.btn {
    font-family: 'Outfit', sans-serif;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s ease;
    font-size: 0.9rem;
}

.btn:hover {
    transform: translateY(-2px);
}

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

.btn-primary:hover {
    background-color: #002277;
    box-shadow: 0 4px 12px rgba(0, 51, 160, 0.2);
}

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

.btn-secondary:hover {
    background-color: #0088cc;
}

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

.btn-outline:hover {
    background-color: rgba(0, 51, 160, 0.05);
}

.hidden {
    display: none !important;
}

/* Contenido Principal */
.main-content {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
    flex: 1;
    width: 100%;
}

.search-bar-container {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
}

.search-input {
    width: 100%;
    max-width: 500px;
    padding: 1rem 1.5rem;
    border-radius: 50px;
    border: var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    box-shadow: var(--glass-shadow);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: 0.3s ease;
    outline: none;
}

.search-input:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 8px 32px 0 rgba(0, 164, 228, 0.15);
}

/* Grid de Apps */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.app-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: 0.3s ease;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.app-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(0, 51, 160, 0.15);
    border-color: var(--secondary-color);
}

.app-logo-container {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: white;
    padding: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    margin-bottom: 1.2rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-logo {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.app-title {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.app-url-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    word-break: break-all;
}

/* Glass Panel Utility */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 16px;
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 1rem;
}

.modal-content {
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2rem;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
    transition: 0.3s ease;
}

.close-btn:hover {
    color: var(--primary-color);
    transform: scale(1.1);
}

.form-group {
    margin-bottom: 1.2rem;
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.form-group input {
    padding: 0.8rem 1rem;
    border-radius: 8px;
    border: 1px solid #ccc;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    outline: none;
    transition: 0.3s ease;
}

.form-group input:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(0, 164, 228, 0.1);
}

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

.divider {
    border: 0;
    height: 1px;
    background: var(--glass-border);
    margin: 2rem 0;
}

/* Admin List */
.admin-apps-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.admin-app-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-radius: 12px;
    background: rgba(255,255,255,0.5);
    border: 1px solid rgba(255,255,255,0.8);
    transition: 0.3s ease;
}

.admin-app-item:hover {
    background: rgba(255,255,255,0.8);
}

.admin-app-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.admin-app-thumb {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: 8px;
    background: white;
    padding: 4px;
}

.admin-app-name {
    font-weight: 600;
    color: var(--primary-color);
}

.admin-item-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-small {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

.btn-danger {
    background-color: transparent;
    border: 1px solid #e74c3c;
    color: #e74c3c;
}

.btn-danger:hover {
    background-color: #e74c3c;
    color: white;
}