/* ============================================================
   COMMON-STYLES.CSS
   Estilos compartidos del proyecto MySmartDevice.
   Contiene variables globales, reset, tipografía, componentes
   reutilizables (navbar, cards, tablas, formularios, botones,
   badges, alertas, modales, avatares) y media queries.
   ============================================================ */

/* ----- Variables Globales ----- */
:root {
    /* Colores Core */
    --primary-blue: #8b5cf6;
    --secondary-blue: #a855f7;
    --primary-gradient: linear-gradient(135deg, #e0e7ff 0%, #fae8ff 100%);
    
    /* Superficies y Fondos */
    --bg-light: #f1f5f9;
    --bg-app: #f8fafc;
    --card-bg: rgba(255, 255, 255, 0.8);
    --nav-bg: rgba(255, 255, 255, 0.75);
    
    /* Texto */
    --text-dark: #1e293b;
    --text-light: #64748b;
    --text-muted: #94a3b8;

    /* Efectos Glass (Resina) */
    --glass-bg: rgba(255, 255, 255, 0.4);
    --glass-border: 1px solid rgba(255, 255, 255, 0.6);
    --glass-blur: blur(12px);
    
    /* Sombras */
    --card-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
    --hover-shadow: 0 20px 50px rgba(139, 92, 246, 0.15);
    
    /* Otros */
    --support-green: #10b981;
    --support-red: #ef4444;
    --support-orange: #f59e0b;
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ----- Modo Oscuro (Vanguardista Negro Puro) ----- */
.dark-theme {
    --bg-light: #000000;
    --bg-app: #050505;
    --card-bg: rgba(18, 18, 18, 0.9);
    --nav-bg: rgba(0, 0, 0, 0.95);
    --text-dark: #f8fafc;
    --text-light: #94a3b8;
    --text-muted: #64748b;
    --glass-bg: rgba(20, 20, 20, 0.8);
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
    --card-shadow: 0 15px 40px rgba(0, 0, 0, 0.7);
    --hover-shadow: 0 20px 50px rgba(139, 92, 246, 0.3);
    --primary-gradient: linear-gradient(135deg, #0f172a 0%, #000000 100%);
}

/* ----- Reset y Base ----- */
html {
    font-size: 14px;
    position: relative;
    min-height: 100%;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

body {
    background-color: var(--bg-light);
    background-image: 
        radial-gradient(at 0% 0%, var(--bg-app) 0, transparent 50%),
        radial-gradient(at 100% 100%, var(--bg-app) 0, transparent 50%);
    background-attachment: fixed;
    color: var(--text-dark);
    min-height: 100vh;
    font-family: 'Outfit', 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    margin-bottom: 60px;
    transition: background-color 0.4s ease, color 0.4s ease;
}

/* Theme-Aware Utilities Overrides */
.dark-theme .text-primary { color: #60a5fa !important; }
.dark-theme .text-success { color: #4ade80 !important; }
.dark-theme .text-muted { color: var(--text-muted) !important; }
.dark-theme .bg-light { background-color: var(--bg-app) !important; color: var(--text-dark) !important; }
.dark-theme .border { border-color: var(--glass-border) !important; }
.dark-theme .form-control, .dark-theme .form-select {
    background-color: #111 !important;
    border-color: #333 !important;
    color: #fff !important;
}

/* Transiciones Suaves */
body, .card, .navbar, .footer, .settings-card, .form-control, .form-select {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* ----- Focus States ----- */
.btn:focus,
.btn:active:focus,
.form-control:focus,
.form-check-input:focus {
    box-shadow: 0 0 0 0.1rem var(--bg-light), 0 0 0 0.25rem var(--primary-blue);
}

/* ----- Form Placeholders ----- */
.form-floating>.form-control-plaintext::placeholder,
.form-floating>.form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating>.form-control-plaintext:focus::placeholder,
.form-floating>.form-control:focus::placeholder {
    text-align: start;
}

/* ----- Navbar ----- */
.navbar-custom {
    background: var(--nav-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
    border-bottom: 1px solid var(--glass-border);
    padding: 0.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1050;
    transition: var(--transition-base);
}

/* Brand */
.brand-icon-wrapper {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    margin-right: 0.75rem;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.35);
    transition: transform 0.3s ease;
}

.navbar-brand:hover .brand-icon-wrapper {
    transform: rotate(-8deg) scale(1.08);
}

.brand-name {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--text-dark);
    letter-spacing: -0.3px;
}

.brand-accent {
    color: var(--primary-blue);
}

/* Nav Links */
.nav-link-custom {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem !important;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-dark) !important;
    border-radius: 10px;
    margin: 0.15rem 0.2rem;
    transition: all 0.25s ease;
    position: relative;
}

.nav-link-custom i {
    font-size: 0.95rem;
    color: var(--text-light);
    transition: color 0.25s ease;
}

.nav-link-custom:hover {
    background: rgba(139, 92, 246, 0.08);
    color: var(--primary-blue) !important;
}

.nav-link-custom:hover i {
    color: var(--primary-blue);
}

/* Dropdown Toggle Arrow */
.nav-link-custom.dropdown-toggle::after {
    border: none;
    content: "\f107";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 0.7rem;
    margin-left: 0.3rem;
    transition: transform 0.3s ease;
    color: var(--text-light);
}

.nav-item.dropdown.show .nav-link-custom.dropdown-toggle::after {
    transform: rotate(180deg);
}

/* Dropdown Menu */
.dropdown-menu-custom {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: 16px;
    padding: 0.5rem;
    min-width: 260px;
    box-shadow: var(--card-shadow);
    margin-top: 0.5rem !important;
    animation: dropdownFadeIn 0.25s ease;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-menu-custom .dropdown-divider {
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    margin: 0.35rem 0.75rem;
}

/* Dropdown Item */
.dropdown-item-custom {
    display: flex !important;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem !important;
    border-radius: 10px;
    transition: all 0.2s ease;
    color: var(--text-dark) !important;
}

.dropdown-item-custom:hover,
.dropdown-item-custom:focus {
    background: rgba(139, 92, 246, 0.08) !important;
    color: var(--text-dark) !important;
    transform: translateX(3px);
}

.dropdown-item-title {
    display: block;
    font-weight: 600;
    font-size: 0.88rem;
    line-height: 1.2;
}

.dropdown-item-desc {
    display: block;
    color: var(--text-light);
    font-size: 0.75rem;
    line-height: 1.3;
}

/* Dropdown Icon Boxes */
.dropdown-icon-box {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    color: white;
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.dropdown-item-custom:hover .dropdown-icon-box {
    transform: scale(1.1);
}

.dropdown-icon-box.bg-purple {
    background: linear-gradient(135deg, #8b5cf6, #a78bfa);
}

.dropdown-icon-box.bg-green {
    background: linear-gradient(135deg, #10b981, #34d399);
}

.dropdown-icon-box.bg-cyan {
    background: linear-gradient(135deg, #06b6d4, #22d3ee);
}

.dropdown-icon-box.bg-orange {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
}

.dropdown-icon-box.bg-red {
    background: linear-gradient(135deg, #ef4444, #f87171);
}

.dropdown-icon-box.bg-indigo {
    background: linear-gradient(135deg, #6366f1, #818cf8);
}

.dropdown-icon-box.bg-slate {
    background: linear-gradient(135deg, #64748b, #94a3b8);
}

/* Theme Toggle Button */
.btn-nav-theme-toggle {
    background: var(--card-bg);
    color: var(--text-light);
    border: 1px solid var(--glass-border);
    padding: 0.45rem 0.65rem;
    border-radius: 10px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-nav-theme-toggle:hover {
    background: var(--primary-blue);
    color: white;
    transform: rotate(15deg) scale(1.1);
    box-shadow: var(--hover-shadow);
}

.dark-theme .btn-nav-theme-toggle i {
    color: #fbbf24; /* Yellow for sun icon in dark mode */
}

/* Navbar Actions (right side) */
.navbar-actions {
    padding-left: 0.75rem;
    border-left: 1px solid var(--glass-border);
    margin-left: 0.5rem;
}

/* Notification Bell Button */
.btn-nav-notification {
    background: rgba(139, 92, 246, 0.06);
    color: var(--text-light);
    border: 1px solid rgba(139, 92, 246, 0.12);
    padding: 0.4rem 0.65rem;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
}

.btn-nav-notification:hover {
    background: rgba(139, 92, 246, 0.12);
    color: var(--primary-blue);
    border-color: rgba(139, 92, 246, 0.25);
    transform: translateY(-1px);
}

.notif-badge-count {
    position: absolute;
    top: -4px;
    right: -4px;
    background: linear-gradient(135deg, #ef4444, #f87171);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    min-width: 18px;
    height: 18px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    border: 2px solid white;
    animation: badgePop 0.3s ease;
}

@keyframes badgePop {
    0% {
        transform: scale(0);
    }

    80% {
        transform: scale(1.15);
    }

    100% {
        transform: scale(1);
    }
}

/* Navbar Avatar Image */
.navbar-avatar-img {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 0.35rem;
    border: 2px solid rgba(139, 92, 246, 0.3);
}

/* Profile Button */
.btn-nav-profile {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(168, 85, 247, 0.1));
    color: var(--primary-blue);
    border: 1px solid rgba(139, 92, 246, 0.2);
    padding: 0.4rem 1rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.btn-nav-profile:hover {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: white;
    border-color: transparent;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.35);
}

/* Logout Button */
.btn-nav-logout {
    background: rgba(239, 68, 68, 0.08);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.15);
    padding: 0.4rem 1rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.btn-nav-logout:hover {
    background: linear-gradient(135deg, #ef4444, #f87171);
    color: white;
    border-color: transparent;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

/* Hamburger */
.navbar-toggler {
    border: 1px solid rgba(0, 0, 0, 0.08);
    padding: 0.4rem 0.7rem;
    border-radius: 10px;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.navbar-toggler:hover {
    background: rgba(139, 92, 246, 0.08);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(139, 92, 246, 0.2);
}

/* ----- Hero Section ----- */
.hero-section {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    color: white;
    padding: 3rem 2rem;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* ----- Stats Cards ----- */
.stats-card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: 24px;
    padding: 2rem 1.5rem;
    box-shadow: var(--card-shadow);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(255, 255, 255, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stats-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--hover-shadow);
}

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

/* ----- Action Cards ----- */
.action-card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: 20px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    transition: var(--transition-base);
    cursor: pointer;
    box-shadow: var(--card-shadow);
    text-decoration: none;
    color: inherit;
}

.action-card:hover {
    transform: translateY(-6px) scale(1.05);
    box-shadow: var(--hover-shadow);
    text-decoration: none;
    color: inherit;
}

.action-card-success {
    background: linear-gradient(135deg, rgba(212, 237, 218, 0.9), rgba(195, 230, 203, 0.9));
}

.action-card-warning {
    background: linear-gradient(135deg, rgba(255, 243, 205, 0.9), rgba(255, 234, 167, 0.9));
}

.action-card-danger {
    background: linear-gradient(135deg, rgba(248, 215, 218, 0.9), rgba(241, 194, 199, 0.9));
}

.action-card-info {
    background: linear-gradient(135deg, rgba(209, 236, 241, 0.9), rgba(190, 229, 235, 0.9));
}

/* ----- Tablas ----- */
.table-container {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.table-header {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: white;
    padding: 2rem;
    position: relative;
}

.table-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
}

/* Tabla personalizada (CRUD pages) */
.custom-table {
    margin-bottom: 0;
}

.custom-table th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    border: none;
    padding: 1.2rem;
}

.custom-table td {
    padding: 1.2rem;
    vertical-align: middle;
}

.custom-table tbody tr:hover {
    transform: translateY(-1px);
    transition: all 0.3s ease;
}

.table tbody tr {
    transition: all 0.3s ease;
}

.table tbody tr:hover {
    background: rgba(102, 126, 234, 0.08);
    transform: translateY(-1px);
}

/* ----- Formularios (Edit Pages) ----- */
.main-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.content-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    align-items: start;
}

.form-container {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: var(--card-shadow);
    border: var(--glass-border);
}

.form-header {
    border-bottom: 2px solid #f1f3f4;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
}

.form-header h3 {
    color: var(--primary-blue);
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-header p {
    color: var(--text-light);
    margin: 0.5rem 0 0 0;
    font-size: 0.9rem;
}

/* Glass Inputs */
.form-control,
.form-select {
    background: rgba(var(--text-dark-rgb, 255, 255, 255), 0.05) !important;
    border: 1px solid var(--glass-border) !important;
    border-radius: 16px;
    padding: 0.85rem 1.2rem;
    color: var(--text-dark);
    transition: var(--transition-base);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.form-control::placeholder {
    color: rgba(100, 116, 139, 0.7);
    font-weight: 400;
}

.form-control:focus,
.form-select:focus {
    background: rgba(255, 255, 255, 0.7) !important;
    border-color: rgba(139, 92, 246, 0.5) !important;
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.15), inset 0 2px 4px rgba(255, 255, 255, 0.6) !important;
    transform: translateY(-2px);
    outline: none;
}

.form-floating label {
    padding-left: 1.2rem;
    color: var(--text-light);
    font-weight: 500;
}

.input-group .form-control,
.input-group .form-select {
    backdrop-filter: blur(10px);
}

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

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

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-grid-full {
    grid-column: 1 / -1;
}

/* ----- Activity Sidebar ----- */
.activity-sidebar {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    height: fit-content;
    position: sticky;
    top: 2rem;
}

.activity-header {
    color: var(--text-light);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1.5rem;
}

.activity-item {
    background: var(--extra-light-blue);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1rem;
    border-left: 4px solid var(--primary-blue);
    transition: all 0.2s ease;
}

.activity-item:hover {
    transform: translateX(3px);
    box-shadow: 0 3px 10px rgba(59, 130, 246, 0.1);
}

.activity-item:last-child {
    margin-bottom: 0;
}

.activity-status {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.activity-title {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.activity-action {
    font-size: 0.8rem;
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
}

.activity-action:hover {
    text-decoration: underline;
}

.activity-time {
    font-size: 0.75rem;
    color: var(--text-light);
}

/* ----- Botones Personalizados ----- */
.btn-primary-custom {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    border: none;
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
}

.btn-secondary-custom {
    background: white;
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    padding: 0.75rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn-secondary-custom:hover {
    background: var(--primary-blue);
    color: white;
    transform: translateY(-1px);
}

.btn-danger-custom {
    background: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
    border: none;
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-danger-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.3);
}

/* Neon Glow Button (Reference match) */
.btn-purple-glow {
    background: linear-gradient(135deg, #a855f7 0%, #8b5cf6 100%);
    border: none;
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 24px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.35);
}

.btn-purple-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.55);
    color: white;
}

/* Action Buttons (CRUD tables) */
.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn-action {
    width: 35px;
    height: 35px;
    border-radius: 10px;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-edit {
    background: #fff3cd;
    color: #856404;
}

.btn-edit:hover {
    background: #ffc107;
    color: white;
    transform: translateY(-2px);
}

.btn-details {
    background: #d1ecf1;
    color: #0c5460;
}

.btn-details:hover {
    background: #17a2b8;
    color: white;
    transform: translateY(-2px);
}

.btn-delete {
    background: #f8d7da;
    color: #721c24;
}

.btn-delete:hover {
    background: #dc3545;
    color: white;
    transform: translateY(-2px);
}

/* Floating Create Button */
.create-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--primary-blue);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
    transition: all 0.3s ease;
    z-index: 1000;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.create-button:hover {
    background: #2c5aa0;
    color: white;
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(59, 130, 246, 0.6);
    text-decoration: none;
}

/* Btn group adjustments */
.btn-group .btn {
    transition: all 0.3s ease;
    border-radius: 8px !important;
    margin-right: 4px;
}

.btn-group .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* ----- Badges ----- */
.badge {
    padding: 0.5em 0.8em;
    border-radius: 8px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.badge-device {
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-weight: 500;
    font-size: 0.85rem;
}

.badge-camara {
    background: #e3f2fd;
    color: #1565c0;
}

.badge-luz {
    background: #fff3e0;
    color: #ef6c00;
}

.badge-puerta {
    background: #fce4ec;
    color: #c2185b;
}

.content-badge {
    background: rgba(255, 255, 255, 0.9);
    color: #6c757d;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Edit Badge */
.edit-badge {
    position: absolute;
    bottom: 5px;
    right: 5px;
    background: #06b6d4;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 10;
}

/* Delete Badge */
.delete-badge {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: #dc2626;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ----- Alertas Personalizadas ----- */
.alert-danger {
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid rgba(220, 53, 69, 0.2);
    color: #721c24;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.text-danger {
    color: #dc3545 !important;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* ----- Avatares ----- */
.avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Avatar grande (edit/delete pages) */
.avatar-container {
    position: relative;
    display: inline-block;
}

.avatar-lg {
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.2);
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 600;
    color: white;
    margin-bottom: 1rem;
    backdrop-filter: blur(10px);
}

/* ----- Modales ----- */
.modal-content {
    border-radius: 16px;
    border: none;
    overflow: hidden;
}

/* ----- Search Container ----- */
.search-container {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 15px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--card-shadow);
}

/* ----- Edit/Delete Page Headers ----- */
.profile-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    border-radius: 20px;
    padding: 2rem;
    color: white;
    margin-bottom: 2rem;
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
    position: relative;
    overflow: hidden;
}

.profile-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
}

.profile-info h2 {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: 0.5rem;
}

.profile-status {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    display: inline-block;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
}

/* Space Header (Edit pages for Espacios) */
.space-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    border-radius: 20px;
    padding: 2rem;
    color: white;
    margin-bottom: 2rem;
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
    position: relative;
    overflow: hidden;
}

.space-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
}

.space-icon-container {
    position: relative;
    display: inline-block;
}

.space-icon {
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.2);
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    margin-bottom: 1rem;
    backdrop-filter: blur(10px);
}

.space-info h2 {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: 0.5rem;
}

.space-status {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    display: inline-block;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
}

/* Device Header (Edit pages for Dispositivos) */
.device-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    border-radius: 20px;
    padding: 2rem;
    color: white;
    margin-bottom: 2rem;
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
    position: relative;
    overflow: hidden;
}

.device-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
}

.device-icon-container {
    position: relative;
    display: inline-block;
}

.device-icon {
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.2);
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    margin-bottom: 1rem;
    backdrop-filter: blur(10px);
}

.device-info h2 {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: 0.5rem;
}

.device-status {
    display: inline-flex;
    align-items: center;
}

/* ----- Warning Box (Delete pages) ----- */
.warning-box {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 2rem;
    border-left: 4px solid #ef4444;
}

.warning-box h4 {
    color: #ef4444;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.warning-box p {
    color: var(--text-dark);
    margin: 0;
    font-size: 0.9rem;
}

/* Delete Container */
.delete-container {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.1);
}

.delete-header {
    border-bottom: 2px solid #fef2f2;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
}

.delete-header h3 {
    color: #ef4444;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.delete-header p {
    color: var(--text-light);
    margin: 0.5rem 0 0 0;
    font-size: 0.9rem;
}

/* User Info Display (Delete/Details pages) */
.user-info {
    background: #f8fafc;
    border-radius: 15px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.info-item {
    background: white;
    padding: 1rem;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
}

.info-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-value {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-dark);
    word-break: break-word;
}

.info-item-full {
    grid-column: 1 / -1;
}

/* ----- Info Cards (Edit pages) ----- */
.info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.info-card {
    background: var(--extra-light-blue);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
    border: 1px solid var(--light-blue);
}

.info-card-icon {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.info-card-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.info-card-label {
    font-size: 0.8rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ----- Signal Indicator (Espacios) ----- */
.signal-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-light);
}

.signal-bar {
    width: 4px;
    height: 20px;
    border-radius: 2px;
    background: #e2e8f0;
}

.signal-bar.active {
    background: var(--primary-blue);
}

/* ----- Card Hover (Layout global) ----- */
.card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2) !important;
}

/* ----- Background Usuarios ----- */
.background-usuarios {
    background-image: url('/Assets/MySmartLogo.png');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    background-attachment: fixed;
    background-color: #f0f4f8;
}

/* ============================================================
   RESPONSIVE / MEDIA QUERIES
   ============================================================ */
@media (max-width: 768px) {
    .hero-section {
        padding: 2rem 1rem;
    }

    .stats-card {
        margin-bottom: 1.5rem;
    }

    .btn-group {
        flex-direction: column;
        gap: 4px;
    }

    .btn-group .btn {
        border-radius: 8px !important;
        margin-bottom: 5px;
    }

    .d-flex.gap-2 {
        flex-direction: column;
        gap: 10px !important;
    }

    .content-wrapper {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

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

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

    .profile-header,
    .space-header,
    .device-header {
        padding: 1.5rem;
    }

    .avatar-lg,
    .space-icon {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }

    .profile-info h2,
    .space-info h2,
    .device-info h2 {
        font-size: 1.5rem;
    }
}

/* ----- Admin Dashboard Button ----- */
.btn-admin-dashboard {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    border: none;
    padding: 0.4rem 1rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-admin-dashboard::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.6s ease;
}

.btn-admin-dashboard:hover {
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(245, 158, 11, 0.4);
}

.btn-admin-dashboard:hover::before {
    left: 100%;
}