/**
 * Vanité Spa - Premium Styles
 * Dark/Light Theme Support
 */

/* ========================================
   CSS Variables - Theme System
======================================== */
:root {
    /* Typography */
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', system-ui, sans-serif;

    /* Dark Theme (Default) */
    --color-gold: #c9a55c;
    --color-gold-light: #d4b76c;
    --color-gold-dark: #a68640;

    --color-bg: #0f0f0f;
    --color-bg-secondary: #141414;
    --color-bg-tertiary: #1a1a1a;
    --color-surface: #1f1f1f;
    --color-surface-hover: #2a2a2a;

    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-light: rgba(255, 255, 255, 0.12);

    --color-text: #ffffff;
    --color-text-secondary: #b0b0b0;
    --color-text-muted: #707070;

    --color-danger: #e74c3c;
    --color-success: #27ae60;
    --color-warning: #f39c12;

    /* Layout */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
}

/* Light Theme */
[data-theme="light"] {
    --color-bg: #f8f6f3;
    --color-bg-secondary: #ffffff;
    --color-bg-tertiary: #f0ebe5;
    --color-surface: #ffffff;
    --color-surface-hover: #f5f3f0;

    --color-border: rgba(0, 0, 0, 0.08);
    --color-border-light: rgba(0, 0, 0, 0.12);

    --color-text: #1a1a1a;
    --color-text-secondary: #555555;
    --color-text-muted: #888888;

    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ========================================
   Typography
======================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
}

.gold-text {
    color: var(--color-gold) !important;
}

/* ========================================
   Navigation
======================================== */
.navbar-vanite {
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

[data-theme="light"] .navbar-vanite {
    background: rgba(255, 255, 255, 0.95);
}

.navbar-vanite.scrolled {
    padding: 0.75rem 0;
    box-shadow: var(--shadow-md);
}

.nav-brand {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-decoration: none;
    color: var(--color-gold);
}

.nav-brand:hover {
    color: var(--color-gold-light);
}

/* ========================================
   Buttons
======================================== */
.btn-gold {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    color: #000;
    border: none;
    padding: 0.875rem 2rem;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(201, 165, 92, 0.35);
    color: #000;
}

.btn-outline-gold {
    background: transparent;
    color: var(--color-gold);
    border: 1px solid var(--color-gold);
    padding: 0.625rem 1.5rem;
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}

.btn-outline-gold:hover {
    background: var(--color-gold);
    color: #000;
}

.btn-dark-vanite {
    background: var(--color-surface);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    padding: 0.75rem 1.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}

.btn-dark-vanite:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
    border-color: var(--color-border-light);
}

/* ========================================
   Landing Page - Hero
======================================== */
.landing-page {
    min-height: 100vh;
}

.hero-section {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 2rem;
    background: var(--color-bg);
    position: relative;
}

.hero-content {
    max-width: 800px;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 400;
    margin-bottom: 1.5rem;
    letter-spacing: 0.02em;
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--color-text-secondary);
    max-width: 500px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
}

/* ========================================
   Service Cards
======================================== */
.service-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-gold);
    box-shadow: 0 20px 40px rgba(201, 165, 92, 0.15);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: rgba(201, 165, 92, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.5rem;
    color: var(--color-gold);
}

.service-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.service-desc {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    line-height: 1.7;
    margin: 0;
}

/* ========================================
   Footer
======================================== */
.footer-vanite {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: 2rem 0;
}

.footer-brand {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--color-gold);
}

.footer-text {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ========================================
   Cards
======================================== */
.card-vanite {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

/* ========================================
   Agenda Page
======================================== */
.agenda-page {
    min-height: 100vh;
    background: var(--color-bg);
}

/* View Toggle */
.view-toggle {
    display: flex;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 4px;
}

.view-toggle-btn {
    padding: 0.5rem 1.25rem;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.view-toggle-btn:hover {
    color: var(--color-text);
}

.view-toggle-btn.active {
    background: var(--color-gold);
    color: #000;
}

/* Navigation Controls */
.nav-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 4px;
}

.nav-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.nav-btn:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

.nav-today {
    padding: 0.5rem 1rem;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
}

.nav-today:hover {
    color: var(--color-gold);
}

/* ========================================
   Agenda Grid
======================================== */
.agenda-container {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.agenda-header {
    display: grid;
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
}

.agenda-header-cell {
    padding: 1.25rem 0.75rem;
    text-align: center;
}

.agenda-header-day {
    display: block;
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 0.25rem;
}

.agenda-header-date {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-text);
}

.agenda-header-date.today {
    color: var(--color-gold);
}

.agenda-body {
    max-height: 600px;
    overflow-y: auto;
}

.agenda-row {
    display: grid;
    border-bottom: 1px solid var(--color-border);
}

.agenda-row:last-child {
    border-bottom: none;
}

.agenda-time-cell {
    padding: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    background: var(--color-bg-secondary);
    border-right: 1px solid var(--color-border);
    min-height: 52px;
}

.agenda-slot {
    position: relative;
    min-height: 52px;
    border-right: 1px solid var(--color-border);
    background: var(--color-bg);
    transition: background 0.2s ease;
}

.agenda-slot:last-child {
    border-right: none;
}

.agenda-slot.admin {
    cursor: pointer;
}

.agenda-slot.admin:hover {
    background: var(--color-surface-hover);
}

/* ========================================
   Event Blocks
======================================== */
.event-block {
    position: absolute;
    left: 3px;
    right: 3px;
    border-radius: var(--radius-sm);
    padding: 0.5rem;
    font-size: 0.6875rem;
    cursor: pointer;
    transition: all 0.2s ease;
    overflow: hidden;
    z-index: 1;
}

.event-block:hover {
    transform: scale(1.02);
    z-index: 10;
}

.event-block.reserva {
    background: linear-gradient(135deg, rgba(201, 165, 92, 0.2) 0%, rgba(201, 165, 92, 0.1) 100%);
    border: 1px solid rgba(201, 165, 92, 0.4);
}

.event-block.bloqueo {
    background: linear-gradient(135deg, rgba(100, 100, 100, 0.3) 0%, rgba(80, 80, 80, 0.2) 100%);
    border: 1px solid rgba(120, 120, 120, 0.4);
}

.event-client {
    display: block;
    font-weight: 700;
    color: var(--color-gold);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.event-block.bloqueo .event-client {
    color: var(--color-text-muted);
}

/* ========================================
   Calendar Grid (Monthly)
======================================== */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}

.calendar-day-header {
    padding: 1rem 0.5rem;
    text-align: center;
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--color-text-muted);
}

.calendar-day {
    background: var(--color-bg-secondary);
    padding: 1rem;
    min-height: 100px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.calendar-day:hover {
    background: var(--color-surface-hover);
}

.calendar-day.other-month {
    opacity: 0.3;
}

.calendar-day.today {
    border: 2px solid var(--color-gold);
}

.calendar-day-number {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
}

.calendar-day.today .calendar-day-number {
    color: var(--color-gold);
}

.calendar-day-indicator {
    width: 8px;
    height: 8px;
    background: var(--color-gold);
    border-radius: 50%;
}

/* ========================================
   Legend
======================================== */
.legend {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 2rem;
    padding: 1rem 0;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-sm);
}

.legend-color.reservado {
    background: rgba(201, 165, 92, 0.4);
    border: 1px solid var(--color-gold);
}

.legend-color.no-disponible {
    background: rgba(100, 100, 100, 0.4);
    border: 1px solid #666;
}

.legend-color.disponible {
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
}

/* ========================================
   Modal
======================================== */
.modal-vanite .modal-content {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text);
}

.modal-vanite .modal-header {
    border-bottom: 1px solid var(--color-border);
    padding: 1.5rem;
}

.modal-vanite .modal-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
}

.modal-vanite .btn-close {
    filter: invert(1);
    opacity: 0.5;
}

[data-theme="light"] .modal-vanite .btn-close {
    filter: none;
}

.modal-vanite .modal-body {
    padding: 1.5rem;
}

.modal-vanite .modal-footer {
    border-top: 1px solid var(--color-border);
    padding: 1.25rem 1.5rem;
}

/* Type Toggle */
.type-toggle {
    display: flex;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 4px;
}

.type-toggle-btn {
    flex: 1;
    padding: 0.75rem 1rem;
    text-align: center;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.type-toggle-btn:hover {
    color: var(--color-text);
}

.type-toggle-btn.active {
    background: var(--color-gold);
    color: #000;
}

/* Info Box */
.info-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1rem;
}

.info-item-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 0.25rem;
}

.info-item-value {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
}

/* Forms */
.form-label-vanite {
    display: block;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.form-control-vanite {
    background: var(--color-bg) !important;
    border: 1px solid var(--color-border) !important;
    border-radius: var(--radius-md) !important;
    color: var(--color-text) !important;
    padding: 0.75rem 1rem !important;
    font-size: 0.875rem !important;
    transition: border-color 0.2s ease !important;
}

.form-control-vanite:focus {
    border-color: var(--color-gold) !important;
    box-shadow: 0 0 0 3px rgba(201, 165, 92, 0.15) !important;
}

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

/* Duration Slider */
.duration-slider input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--color-bg-tertiary);
    border-radius: 3px;
    outline: none;
}

.duration-slider input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--color-gold);
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.duration-slider input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.duration-slider input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--color-gold);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* ========================================
   Login Page
======================================== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--color-bg);
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 3rem;
    text-align: center;
}

.login-logo {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: 0.5rem;
}

.login-title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.login-subtitle {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

/* ========================================
   Theme Toggle Button
======================================== */
.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 9999;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    color: var(--color-gold);
    font-size: 1.25rem;
}

.theme-toggle:hover {
    transform: scale(1.1);
    border-color: var(--color-gold);
}

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

.custom-scrollbar::-webkit-scrollbar-track {
    background: var(--color-bg);
}

.custom-scrollbar::-webkit-scrollbar-thumb {
    background: var(--color-border-light);
    border-radius: 3px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* ========================================
   Flash Messages
======================================== */
.flash-message {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1050;
    min-width: 300px;
    max-width: 500px;
    border-radius: var(--radius-md);
}

/* ========================================
   Responsive
======================================== */
@media (max-width: 992px) {
    .hero-section {
        min-height: 70vh;
        padding: 5rem 2rem;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 0.9375rem;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 14px;
    }

    .hero-section {
        padding: 4rem 1.5rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 0.875rem;
        max-width: 90%;
    }

    .navbar-vanite {
        padding: 0.75rem 0;
    }

    .nav-brand {
        font-size: 1.25rem;
    }

    .btn-gold {
        padding: 0.75rem 1.5rem;
        font-size: 0.625rem;
    }

    .btn-outline-gold {
        padding: 0.5rem 1rem;
        font-size: 0.5625rem;
    }

    .service-card {
        padding: 1.5rem;
    }

    .service-icon {
        width: 48px;
        height: 48px;
        font-size: 1.25rem;
    }

    .service-title {
        font-size: 1.125rem;
    }

    .service-desc {
        font-size: 0.8125rem;
    }

    .agenda-header {
        grid-template-columns: 60px repeat(5, 1fr) !important;
    }

    .agenda-row {
        grid-template-columns: 60px repeat(5, 1fr) !important;
    }

    .agenda-header-date {
        font-size: 1.25rem;
    }

    .agenda-time-cell {
        font-size: 0.5625rem;
        padding: 0.5rem;
    }

    .calendar-grid {
        font-size: 0.75rem;
    }

    .calendar-day {
        min-height: 60px;
        padding: 0.5rem;
    }

    .legend {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .login-card {
        padding: 2rem;
    }

    .login-logo {
        font-size: 2.5rem;
    }

    .login-title {
        font-size: 1.5rem;
    }

    .modal-vanite .modal-dialog {
        margin: 0.5rem;
    }

    .modal-vanite .modal-content {
        border-radius: var(--radius-lg);
    }

    .theme-toggle {
        bottom: 1rem;
        right: 1rem;
        width: 44px;
        height: 44px;
        font-size: 1.125rem;
    }

    .flash-message {
        min-width: auto;
        max-width: 90%;
        left: 50%;
        right: auto;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 0.8125rem;
    }

    .service-card {
        padding: 1.25rem;
    }

    .container-fluid {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }

    .view-toggle-btn {
        padding: 0.375rem 0.75rem;
        font-size: 0.5625rem;
    }

    .nav-today {
        padding: 0.375rem 0.5rem;
        font-size: 0.5625rem;
    }

    .type-toggle-btn {
        padding: 0.625rem;
        font-size: 0.5625rem;
    }

    h2 {
        font-size: 1.75rem !important;
    }
}

/* Touch-friendly adjustments */
@media (hover: none) and (pointer: coarse) {
    .agenda-slot.admin:hover {
        background: var(--color-bg);
    }

    .agenda-slot.admin:active {
        background: var(--color-surface-hover);
    }

    .btn-gold:hover {
        transform: none;
    }

    .btn-gold:active {
        transform: scale(0.98);
    }

    .service-card:hover {
        transform: none;
    }

    .service-card:active {
        transform: scale(0.98);
        border-color: var(--color-gold);
    }
}