/* ============================================================
   Quinto Elemento — Café & Yoga Studio
   Main Application Stylesheet
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:wght@400;600;700&display=swap');

:root {
    /* Paleta 5 Elementos */
    --tierra: #8B6914;
    --tierra-light: #B8941F;
    --agua: #2196F3;
    --agua-light: #64B5F6;
    --fuego: #FF5722;
    --fuego-light: #FF8A65;
    --aire: #90CAF9;
    --eter: #9C27B0;
    --eter-light: #CE93D8;
    
    /* Neutros */
    --bg-primary: #0f0f14;
    --bg-secondary: #1a1a24;
    --bg-card: #22222e;
    --bg-card-hover: #2a2a38;
    --bg-input: #2a2a38;
    --border-color: #333345;
    --border-light: #444458;
    
    /* Texto */
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b8;
    --text-muted: #6b6b80;
    --text-accent: #c8a84e;
    
    /* Colores funcionales */
    --success: #4CAF50;
    --success-bg: rgba(76, 175, 80, 0.12);
    --warning: #FF9800;
    --warning-bg: rgba(255, 152, 0, 0.12);
    --danger: #f44336;
    --danger-bg: rgba(244, 67, 54, 0.12);
    --info: #2196F3;
    --info-bg: rgba(33, 150, 243, 0.12);
    
    /* Gradientes */
    --gradient-gold: linear-gradient(135deg, #8B6914, #c8a84e, #B8941F);
    --gradient-fire: linear-gradient(135deg, #FF5722, #FF9800);
    --gradient-eter: linear-gradient(135deg, #9C27B0, #E91E63);
    --gradient-agua: linear-gradient(135deg, #2196F3, #00BCD4);
    --gradient-card: linear-gradient(145deg, #22222e, #1a1a24);
    
    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --shadow-glow-gold: 0 0 20px rgba(200, 168, 78, 0.3);
    --shadow-glow-eter: 0 0 20px rgba(156, 39, 176, 0.3);
    
    /* Layout */
    --sidebar-width: 260px;
    --header-height: 64px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a { color: var(--text-accent); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--tierra-light); }

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

/* ============================================================
   LOGIN PAGE
   ============================================================ */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.login-wrapper::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 30% 20%, rgba(139, 105, 20, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(156, 39, 176, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(33, 150, 243, 0.04) 0%, transparent 50%);
    animation: bgFloat 20s ease-in-out infinite;
}

@keyframes bgFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(2%, -2%) rotate(1deg); }
    66% { transform: translate(-1%, 1%) rotate(-0.5deg); }
}

.login-card {
    position: relative;
    width: 100%;
    max-width: 420px;
    padding: 48px 40px;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    z-index: 1;
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo .logo-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 16px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: #fff;
    box-shadow: var(--shadow-glow-gold);
    animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoPulse {
    0%, 100% { box-shadow: var(--shadow-glow-gold); transform: scale(1); }
    50% { box-shadow: 0 0 30px rgba(200, 168, 78, 0.5); transform: scale(1.03); }
}

.login-logo h1 {
    font-family: 'Playfair Display', serif;
    font-size: 28px;
    font-weight: 700;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-logo .subtitle {
    font-size: 13px;
    color: var(--text-muted);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-top: 4px;
}

/* Login Tabs */
.login-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 28px;
    background: var(--bg-input);
    border-radius: var(--radius-md);
    padding: 4px;
}

.login-tab {
    flex: 1;
    padding: 10px;
    text-align: center;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    background: none;
}

.login-tab.active {
    background: var(--bg-card);
    color: var(--text-accent);
    box-shadow: var(--shadow-sm);
}

.login-tab:hover:not(.active) {
    color: var(--text-secondary);
}

/* Login Forms */
.login-form { display: none; }
.login-form.active { display: block; }

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 15px;
    font-family: 'Inter', sans-serif;
    transition: all var(--transition-fast);
    outline: none;
}

.form-control:focus {
    border-color: var(--text-accent);
    box-shadow: 0 0 0 3px rgba(200, 168, 78, 0.15);
}

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

/* Numpad */
.numpad-display {
    text-align: center;
    padding: 16px;
    background: var(--bg-input);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    min-height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.numpad-dots {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.numpad-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid var(--border-light);
    transition: all var(--transition-fast);
}

.numpad-dot.filled {
    background: var(--text-accent);
    border-color: var(--text-accent);
    box-shadow: 0 0 8px rgba(200, 168, 78, 0.4);
}

.numpad-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.numpad-btn {
    padding: 16px;
    font-size: 22px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-input);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.numpad-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
    transform: scale(1.02);
}

.numpad-btn:active {
    transform: scale(0.97);
    background: var(--border-color);
}

.numpad-btn.btn-clear {
    font-size: 16px;
    color: var(--danger);
}

.numpad-btn.btn-back {
    font-size: 16px;
    color: var(--warning);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    outline: none;
    user-select: none;
}

.btn-primary {
    width: 100%;
    padding: 14px;
    background: var(--gradient-gold);
    color: #fff;
    font-size: 15px;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px rgba(139, 105, 20, 0.4);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(139, 105, 20, 0.5);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-info { background: var(--info); color: #fff; }

.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-block { width: 100%; }

/* Alert */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    margin-bottom: 16px;
    border: 1px solid;
    animation: fadeInDown 0.3s ease;
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.alert-danger {
    background: var(--danger-bg);
    border-color: rgba(244,67,54,0.3);
    color: #ef9a9a;
}

.alert-success {
    background: var(--success-bg);
    border-color: rgba(76,175,80,0.3);
    color: #a5d6a7;
}

/* ============================================================
   ADMIN LAYOUT
   ============================================================ */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-normal);
}

.sidebar-brand {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-brand .brand-icon {
    width: 42px;
    height: 42px;
    background: var(--gradient-gold);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #fff;
    flex-shrink: 0;
}

.sidebar-brand .brand-text {
    font-family: 'Playfair Display', serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-accent);
    line-height: 1.2;
}

.sidebar-brand .brand-sub {
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.nav-section-title {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 16px 12px 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition-fast);
    margin-bottom: 2px;
}

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

.nav-link.active {
    background: rgba(200, 168, 78, 0.12);
    color: var(--text-accent);
}

.nav-link i {
    width: 20px;
    text-align: center;
    font-size: 15px;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-user .user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gradient-eter);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: #fff;
}

.sidebar-user .user-info {
    flex: 1;
    min-width: 0;
}

.sidebar-user .user-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user .user-role {
    font-size: 11px;
    color: var(--text-muted);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

.topbar {
    height: var(--header-height);
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.topbar-left h2 {
    font-size: 18px;
    font-weight: 600;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 16px;
}

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

.page-content {
    padding: 32px;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-fast);
}

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

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.card-body {
    padding: 24px;
}

.card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
}

/* Stat Cards */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 120px;
    height: 100%;
    opacity: 0.06;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.stat-card .stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 16px;
}

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

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

.stat-card.gold .stat-icon { background: rgba(200,168,78,0.15); color: var(--text-accent); }
.stat-card.blue .stat-icon { background: var(--info-bg); color: var(--agua); }
.stat-card.green .stat-icon { background: var(--success-bg); color: var(--success); }
.stat-card.purple .stat-icon { background: rgba(156,39,176,0.12); color: var(--eter-light); }
.stat-card.red .stat-icon { background: var(--danger-bg); color: var(--danger); }

/* Tables */
.table-responsive {
    overflow-x: auto;
}

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

.table th {
    padding: 12px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.table td {
    padding: 14px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.table tbody tr {
    transition: background var(--transition-fast);
}

.table tbody tr:hover {
    background: rgba(255,255,255,0.02);
}

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

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 20px;
    letter-spacing: 0.5px;
}

.badge-success { background: var(--success-bg); color: #66bb6a; }
.badge-danger { background: var(--danger-bg); color: #ef5350; }
.badge-warning { background: var(--warning-bg); color: #ffa726; }
.badge-info { background: var(--info-bg); color: #42a5f5; }
.badge-purple { background: rgba(156,39,176,0.12); color: var(--eter-light); }

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

.modal-overlay.active {
    display: flex;
}

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

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalSlide 0.3s ease;
}

@keyframes modalSlide {
    from { opacity: 0; transform: translateY(20px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-input);
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--danger-bg);
    color: var(--danger);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
.sidebar-toggle {
    display: none;
}

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
    }
    .sidebar-toggle {
        display: flex;
    }
    .page-content {
        padding: 20px;
    }
}

@media (max-width: 768px) {
    .stat-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .login-card {
        margin: 16px;
        padding: 32px 24px;
    }
}

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

/* ============================================================
   UTILITIES
   ============================================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--text-accent); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.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; }
.d-flex { display: flex; }
.gap-2 { gap: 16px; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-1 { flex: 1; }
.hidden { display: none !important; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }