/* ===================================================================
   LuxeBeauty — Премиум-салон красоты :: Main Stylesheet
   =================================================================== */

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

:root {
  --gold:        #c9a84c;
  --gold-light:  #e0c878;
  --gold-dark:   #a6862c;
  --black:       #0d0d0d;
  --dark:        #1a1a1a;
  --darker:      #141414;
  --white:       #f5f0eb;
  --gray:        #9a9a9a;
  --gray-dark:   #2a2a2a;
  --danger:      #d44;
  --success:     #4a9;
  --radius:      12px;
  --radius-sm:   8px;
  --shadow:      0 4px 24px rgba(0,0,0,.5);
  --font:        'Segoe UI', system-ui, -apple-system, sans-serif;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--gold); text-decoration: none; transition: color .2s; }
a:hover { color: var(--gold-light); }

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4 { font-weight: 300; line-height: 1.2; }
h1 { font-size: 3rem; }
h2 { font-size: 2.2rem; }
h3 { font-size: 1.5rem; }

/* ---- Container ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.container--narrow { max-width: 520px; }

/* ---- Header ---- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(13,13,13,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(201,168,76,.2);
  padding: 14px 0;
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.site-header__logo {
  font-size: 1.35rem; font-weight: 300; letter-spacing: 2px;
  color: var(--white);
}
.site-header__logo span { color: var(--gold); }
.site-header__nav { display: flex; gap: 24px; align-items: center; }
.site-header__nav a { color: var(--gray); font-size: .92rem; letter-spacing: .5px; }
.site-header__nav a:hover { color: var(--white); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; font-size: .95rem; font-weight: 500;
  border: none; border-radius: var(--radius-sm); cursor: pointer;
  letter-spacing: .5px; transition: all .25s; text-decoration: none;
}
.btn--gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--black);
}
.btn--gold:hover { background: linear-gradient(135deg, var(--gold-light), var(--gold)); color: var(--black); }
.btn--outline {
  background: transparent; border: 1.5px solid var(--gold); color: var(--gold);
}
.btn--outline:hover { background: var(--gold); color: var(--black); }
.btn--danger { background: var(--danger); color: #fff; }
.btn--danger:hover { background: #c11; }
.btn--success { background: var(--success); color: #fff; }
.btn--success:hover { background: #398a6e; }
.btn--sm { padding: 8px 18px; font-size: .82rem; }
.btn--full { width: 100%; }

/* ---- Hero Section ---- */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center; text-align: center;
  padding: 120px 20px 60px;
  background: linear-gradient(135deg, #0d0d0d 0%, #1a1510 50%, #0d0d0d 100%);
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(201,168,76,.06) 0%, transparent 60%),
              radial-gradient(circle at 70% 30%, rgba(201,168,76,.04) 0%, transparent 50%);
}
.hero__content { position: relative; z-index: 1; max-width: 700px; }
.hero__badge {
  display: inline-block; padding: 6px 20px; font-size: .82rem; letter-spacing: 3px;
  border: 1px solid var(--gold); color: var(--gold); border-radius: 50px;
  margin-bottom: 28px; text-transform: uppercase;
}
.hero h1 { font-size: 3.6rem; margin-bottom: 16px; }
.hero h1 span { color: var(--gold); }
.hero__subtitle { font-size: 1.2rem; color: var(--gray); max-width: 480px; margin: 0 auto 36px; }
.hero__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---- Sections ---- */
.section { padding: 100px 0; }
.section--dark { background: var(--dark); }
.section__header { text-align: center; margin-bottom: 60px; }
.section__header h2 { margin-bottom: 12px; }
.section__header p { color: var(--gray); max-width: 500px; margin: 0 auto; }
.section__divider {
  width: 50px; height: 2px; background: var(--gold); margin: 16px auto 0; border-radius: 2px;
}

/* ---- Services Grid ---- */
.services-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 24px; }
.service-card {
  background: var(--darker); border: 1px solid var(--gray-dark); border-radius: var(--radius);
  padding: 32px 28px; transition: all .3s; cursor: pointer;
}
.service-card:hover { border-color: var(--gold); transform: translateY(-4px); box-shadow: var(--shadow); }
.service-card__icon {
  width: 52px; height: 52px; border-radius: var(--radius-sm);
  background: rgba(201,168,76,.12); display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.service-card__icon img { width: 26px; height: 26px; }
.service-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.service-card p { color: var(--gray); font-size: .9rem; margin-bottom: 16px; }
.service-card__footer { display: flex; justify-content: space-between; align-items: center; }
.service-card__price { font-size: 1.4rem; color: var(--gold); font-weight: 400; }
.service-card__duration { font-size: .82rem; color: var(--gray); }

/* ---- About Section ---- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about__image {
  width: 100%; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/3;
  background: var(--gray-dark);
}
.about__image img { width: 100%; height: 100%; object-fit: cover; }
.about__text h2 { margin-bottom: 20px; }
.about__text p { color: var(--gray); margin-bottom: 14px; }
.about__stats { display: flex; gap: 32px; margin-top: 28px; }
.about__stat { text-align: center; }
.about__stat-number { font-size: 2rem; color: var(--gold); font-weight: 300; }
.about__stat-label { font-size: .82rem; color: var(--gray); }

/* ---- Testimonials ---- */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.testimonial-card {
  background: var(--darker); border: 1px solid var(--gray-dark); border-radius: var(--radius);
  padding: 28px 24px;
}
.testimonial-card__stars { color: var(--gold); font-size: 1.1rem; margin-bottom: 12px; }
.testimonial-card__text { color: var(--white); font-size: .95rem; margin-bottom: 16px; font-style: italic; }
.testimonial-card__author { color: var(--gray); font-size: .85rem; }
.testimonial-card__author strong { color: var(--white); font-weight: 500; }

/* ---- CTA Section ---- */
.cta-section { text-align: center; padding: 100px 20px; }
.cta-section h2 { margin-bottom: 16px; }
.cta-section p { color: var(--gray); margin-bottom: 32px; }

/* ---- Footer ---- */
.site-footer {
  background: var(--darker); border-top: 1px solid var(--gray-dark);
  padding: 48px 0 24px;
}
.site-footer__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 32px; }
.site-footer__col h4 { color: var(--white); margin-bottom: 14px; font-size: 1rem; font-weight: 500; }
.site-footer__col a, .site-footer__col p { color: var(--gray); font-size: .88rem; display: block; margin-bottom: 6px; }
.site-footer__bottom {
  margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--gray-dark);
  text-align: center; color: var(--gray); font-size: .82rem;
}

/* ---- Forms ---- */
.form-card {
  background: var(--darker); border: 1px solid var(--gray-dark); border-radius: var(--radius);
  padding: 40px 32px; max-width: 480px; margin: 0 auto;
}
.form-card h2 { text-align: center; margin-bottom: 28px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; margin-bottom: 6px; font-size: .88rem; color: var(--gray); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 12px 14px; font-size: .95rem;
  background: var(--black); border: 1px solid var(--gray-dark); border-radius: var(--radius-sm);
  color: var(--white); font-family: var(--font); transition: border-color .2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { outline: none; border-color: var(--gold); }
.form-group textarea { resize: vertical; min-height: 80px; }
.form-error { color: var(--danger); font-size: .82rem; margin-top: 4px; display: none; }
.form-footer { text-align: center; margin-top: 20px; font-size: .9rem; color: var(--gray); }

/* ---- Auth Pages ---- */
.auth-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 100px 20px 40px; }
.auth-link { text-align: center; margin-top: 18px; font-size: .9rem; color: var(--gray); }

/* ---- Dashboard ---- */
.dashboard { padding-top: 100px; min-height: 100vh; }
.dashboard__header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; margin-bottom: 32px; }
.dashboard__tabs { display: flex; gap: 8px; margin-bottom: 28px; border-bottom: 1px solid var(--gray-dark); }
.dashboard__tab {
  padding: 10px 20px; background: none; border: none; color: var(--gray);
  font-size: .92rem; cursor: pointer; border-bottom: 2px solid transparent;
  transition: all .2s; font-family: var(--font);
}
.dashboard__tab:hover { color: var(--white); }
.dashboard__tab--active { color: var(--gold); border-bottom-color: var(--gold); }

/* ---- Calendar ---- */
.calendar-section { display: grid; grid-template-columns: 320px 1fr; gap: 24px; }
.calendar__sidebar {
  background: var(--darker); border: 1px solid var(--gray-dark); border-radius: var(--radius);
  padding: 24px;
}
.calendar__sidebar h3 { margin-bottom: 16px; font-size: 1.1rem; }
.service-option {
  padding: 14px; border: 1px solid var(--gray-dark); border-radius: var(--radius-sm);
  margin-bottom: 10px; cursor: pointer; transition: all .2s;
}
.service-option:hover { border-color: var(--gold); }
.service-option--selected { border-color: var(--gold); background: rgba(201,168,76,.08); }
.service-option__name { font-weight: 500; }
.service-option__price { color: var(--gold); font-size: .9rem; }
.service-option__duration { color: var(--gray); font-size: .8rem; }

.calendar__main {
  background: var(--darker); border: 1px solid var(--gray-dark); border-radius: var(--radius);
  padding: 24px;
}
.calendar__nav { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.calendar__nav button {
  background: none; border: 1px solid var(--gray-dark); color: var(--white);
  padding: 6px 14px; border-radius: var(--radius-sm); cursor: pointer; font-family: var(--font);
}
.calendar__nav button:hover { border-color: var(--gold); }
.calendar__nav h3 { font-size: 1.15rem; }
.calendar__weekdays { display: grid; grid-template-columns: repeat(7, 1fr); text-align: center; margin-bottom: 8px; }
.calendar__weekdays span { color: var(--gray); font-size: .8rem; padding: 8px 0; }
.calendar__days { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.calendar__day {
  aspect-ratio: 1; display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm); cursor: pointer; font-size: .92rem;
  transition: all .2s; border: 1px solid transparent;
}
.calendar__day:hover { background: rgba(201,168,76,.1); }
.calendar__day--other { color: #444; cursor: default; }
.calendar__day--today { border-color: var(--gold); }
.calendar__day--selected { background: var(--gold); color: var(--black); font-weight: 600; }
.calendar__day--has-slots::after {
  content: ''; display: block; width: 4px; height: 4px; border-radius: 50%;
  background: var(--gold); position: absolute; bottom: 4px;
}
.calendar__day--has-slots { position: relative; }
.calendar__day--disabled { color: #444; cursor: default; pointer-events: none; }

/* ---- Time Slots ---- */
.time-slots { margin-top: 20px; }
.time-slots h4 { font-size: 1rem; margin-bottom: 12px; }
.time-slots__grid { display: flex; flex-wrap: wrap; gap: 8px; }
.time-slot {
  padding: 10px 18px; border: 1px solid var(--gray-dark); border-radius: var(--radius-sm);
  cursor: pointer; font-size: .88rem; transition: all .2s; background: transparent; color: var(--white);
}
.time-slot:hover { border-color: var(--gold); }
.time-slot--selected { background: var(--gold); color: var(--black); border-color: var(--gold); }
.time-slot--booked { background: var(--gray-dark); color: #555; cursor: default; pointer-events: none; }

/* ---- Appointments Table ---- */
.appointments-table { width: 100%; border-collapse: collapse; }
.appointments-table th, .appointments-table td {
  padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--gray-dark);
  font-size: .9rem;
}
.appointments-table th { color: var(--gray); font-weight: 500; font-size: .82rem; text-transform: uppercase; letter-spacing: .5px; }
.appointments-table tr:hover { background: rgba(201,168,76,.04); }

/* ---- Status Badges ---- */
.badge {
  display: inline-block; padding: 4px 12px; border-radius: 50px;
  font-size: .78rem; font-weight: 500; letter-spacing: .3px;
}
.badge--pending { background: rgba(255,193,7,.15); color: #ffc107; }
.badge--confirmed { background: rgba(76,175,80,.15); color: var(--success); }
.badge--cancelled { background: rgba(244,67,54,.15); color: var(--danger); }

/* ---- Admin Stats ---- */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; margin-bottom: 32px; }
.stat-card {
  background: var(--darker); border: 1px solid var(--gray-dark); border-radius: var(--radius);
  padding: 22px 20px; text-align: center;
}
.stat-card__number { font-size: 2rem; color: var(--gold); font-weight: 300; }
.stat-card__label { font-size: .82rem; color: var(--gray); margin-top: 4px; }

/* ---- Admin Actions ---- */
.admin-actions { display: flex; gap: 8px; }
.filters-bar { display: flex; gap: 12px; align-items: center; margin-bottom: 20px; flex-wrap: wrap; }

/* ---- Toast / Notifications ---- */
.toast-container { position: fixed; top: 90px; right: 20px; z-index: 999; display: flex; flex-direction: column; gap: 10px; }
.toast {
  padding: 14px 22px; border-radius: var(--radius-sm); font-size: .9rem;
  animation: slideIn .3s ease; max-width: 380px; box-shadow: var(--shadow);
}
.toast--success { background: #1b3a2a; color: #7fdfb0; border: 1px solid var(--success); }
.toast--error { background: #3a1b1b; color: #f5a0a0; border: 1px solid var(--danger); }
@keyframes slideIn { from { transform: translateX(120%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes slideOut { from { transform: translateX(0); opacity: 1; } to { transform: translateX(120%); opacity: 0; } }

/* ---- Modal ---- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.7); z-index: 200;
  display: flex; align-items: center; justify-content: center;
}
.modal {
  background: var(--darker); border: 1px solid var(--gray-dark); border-radius: var(--radius);
  padding: 32px; max-width: 500px; width: 90%; max-height: 85vh; overflow-y: auto;
}
.modal h3 { margin-bottom: 20px; }
.modal__actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 24px; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.7rem; }
  .hero h1 { font-size: 2.4rem; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .calendar-section { grid-template-columns: 1fr; }
  .site-header__nav { gap: 12px; }
  .site-header__nav a { font-size: .82rem; }
  .appointments-table { display: block; overflow-x: auto; }
  .filters-bar { flex-direction: column; }
}

@media (max-width: 480px) {
  .container { padding: 0 12px; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}