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

:root {
  --bg:         #0a0a0a;
  --surface:    #141414;
  --surface2:   #1e1e1e;
  --border:     #262626;
  --gold:       #c9a227;
  --gold-light: #e8b84b;
  --text:       #f0f0f0;
  --muted:      #888;
  --danger:     #ef4444;
  --blue:       #3b82f6;
  --purple:     #a855f7;
  --pink:       #ec4899;
}

[data-theme="light"] {
  --bg:       #f4f4f5;
  --surface:  #ffffff;
  --surface2: #f0f0f0;
  --border:   #e0e0e0;
  --text:     #111111;
  --muted:    #777777;
}

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

/* ── LOGIN ────────────────────────────────── */
#login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
  width: 380px;
  max-width: 92vw;
}

.login-logo { text-align: center; margin-bottom: 2rem; }
.login-logo h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.12em;
}
.login-logo p {
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 0.3rem;
  letter-spacing: 0.05em;
}

.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}
.form-group input {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  font-family: inherit;
  transition: border-color 0.2s;
}
.form-group input:focus { border-color: var(--gold); }

.btn-primary {
  width: 100%;
  background: var(--gold);
  color: #000;
  border: none;
  border-radius: 8px;
  padding: 0.875rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.08em;
  font-family: inherit;
  transition: background 0.2s;
}
.btn-primary:hover    { background: var(--gold-light); }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; }

.error-msg {
  color: var(--danger);
  font-size: 0.78rem;
  margin-top: 0.75rem;
  text-align: center;
  min-height: 1.2em;
}

/* ── HEADER ───────────────────────────────── */
#dashboard { display: none; }

.header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.9rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-brand h1 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.1em;
}
.header-brand p {
  color: var(--muted);
  font-size: 0.72rem;
  margin-top: 1px;
}
.header-right { display: flex; align-items: center; gap: 1rem; }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.45rem 0.9rem;
  color: var(--muted);
  font-size: 0.78rem;
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.2s, color 0.2s;
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

/* ── LAYOUT ───────────────────────────────── */
.main-content {
  padding: 1.5rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

/* ── STATS ────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.2rem 1.4rem;
}
.stat-card.gold { border-color: rgba(201,162,39,0.25); }
.stat-card.gold .stat-value { color: var(--gold); }
.stat-label {
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.stat-value {
  font-size: 2.1rem;
  font-weight: 700;
  margin: 0.2rem 0 0.1rem;
}
.stat-sub {
  color: var(--muted);
  font-size: 0.75rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── SECTION ──────────────────────────────── */
.section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 1.5rem;
  overflow: hidden;
}
.section-header {
  padding: 0.9rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.section-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
}
.section-body { padding: 1.5rem; }

/* ── TABS ─────────────────────────────────── */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
}
.tab {
  padding: 0.7rem 1rem;
  font-size: 0.78rem;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
  user-select: none;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--gold); border-bottom-color: var(--gold); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── DATE NAV ─────────────────────────────── */
.date-nav { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.date-nav button {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.35rem 0.7rem;
  color: var(--text);
  cursor: pointer;
  font-size: 0.8rem;
  font-family: inherit;
  transition: border-color 0.2s;
}
.date-nav button:hover { border-color: var(--gold); }
.date-nav input[type="date"] {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.35rem 0.7rem;
  color: var(--text);
  font-size: 0.8rem;
  outline: none;
  font-family: inherit;
  cursor: pointer;
}
.date-nav input[type="date"]:focus { border-color: var(--gold); }

/* ── AGENDA ───────────────────────────────── */
.agenda-grid { display: grid; grid-template-columns: 52px 1fr; }

.agenda-time {
  font-size: 0.7rem;
  color: var(--muted);
  padding: 0.4rem 0.5rem 0.4rem 0;
  text-align: right;
  border-right: 2px solid var(--border);
  font-family: monospace;
}
.agenda-cell { padding: 0.25rem 0 0.25rem 0.75rem; }
.agenda-event {
  border-radius: 6px;
  padding: 0.45rem 0.75rem;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  min-height: 34px;
}
.agenda-event.libre { color: var(--border); font-style: italic; font-size: 0.72rem; }

.agenda-event.OPTIMUM    { background: rgba(59,130,246,0.12); border-left: 3px solid var(--blue);   color: #93c5fd; }
.agenda-event.VIP        { background: rgba(168,85,247,0.12); border-left: 3px solid var(--purple); color: #d8b4fe; }
.agenda-event.LUXURY     { background: rgba(236,72,153,0.12); border-left: 3px solid var(--pink);   color: #fbcfe8; }
.agenda-event.MATE_ELITE { background: rgba(201,162,39,0.12); border-left: 3px solid var(--gold);   color: var(--gold-light); }

.agenda-name   { font-weight: 600; }
.agenda-detail { opacity: 0.7; font-size: 0.75rem; }
.agenda-price  { color: var(--gold); font-size: 0.75rem; margin-left: auto; }
.agenda-phone  { color: var(--muted); font-size: 0.72rem; }
.agenda-rango  { font-size: 0.78rem; font-family: monospace; opacity: 0.85; }
.agenda-bloq   { font-size: 0.68rem; opacity: 0.6; }

/* ── SEMANA ───────────────────────────────── */
.week-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0.75rem; }
.week-day {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.week-day-header {
  padding: 0.6rem 0.5rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.week-day-header.today {
  background: rgba(201,162,39,0.08);
  border-bottom-color: rgba(201,162,39,0.25);
}
.week-day-name { font-size: 0.65rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.week-day-num  { font-size: 1.3rem; font-weight: 700; line-height: 1.2; }
.week-day-header.today .week-day-num { color: var(--gold); }
.week-day-count { font-size: 0.65rem; color: var(--muted); }
.week-day-body  { padding: 0.5rem; min-height: 80px; }
.week-event {
  padding: 0.25rem 0.4rem;
  margin-bottom: 0.3rem;
  border-radius: 4px;
  font-size: 0.68rem;
  line-height: 1.4;
}
.week-libre { text-align: center; color: var(--border); font-size: 0.7rem; padding: 0.75rem 0; }

/* ── TABLA ────────────────────────────────── */
.reservas-table { width: 100%; border-collapse: collapse; }
.reservas-table th {
  text-align: left;
  padding: 0.7rem 1rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.reservas-table td {
  padding: 0.85rem 1rem;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.reservas-table tr:last-child td { border-bottom: none; }
.reservas-table tr:hover td { background: rgba(255,255,255,0.015); }

.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.badge-OPTIMUM    { background: rgba(59,130,246,0.18); color: #93c5fd; }
.badge-VIP        { background: rgba(168,85,247,0.18); color: #d8b4fe; }
.badge-LUXURY     { background: rgba(236,72,153,0.18); color: #fbcfe8; }
.badge-MATE_ELITE { background: rgba(201,162,39,0.18); color: var(--gold-light); }
.badge-default    { background: rgba(255,255,255,0.08); color: var(--muted); }

/* ── MISC ─────────────────────────────────── */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  color: var(--muted);
  font-size: 0.85rem;
}
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-right: 0.75rem;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--muted);
  font-size: 0.85rem;
}

/* ── MODAL ────────────────────────────────── */
.modal-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: 480px;
  max-width: 95vw;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 1.5rem 1.5rem 1rem;
  border-bottom: 1px solid var(--border);
}

.modal-ref {
  font-size: .72rem;
  color: var(--muted);
  font-family: monospace;
  letter-spacing: .05em;
  margin-bottom: .25rem;
}

.modal-fecha {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gold);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: .25rem .5rem;
  line-height: 1;
  transition: color .2s;
}
.modal-close:hover { color: var(--text); }

.modal-body { padding: 1.25rem 1.5rem; }

.modal-section { margin-bottom: 1.25rem; }
.modal-section:last-child { margin-bottom: 0; }

.modal-section-title {
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .6rem;
}

.modal-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .4rem 0;
  border-bottom: 1px solid var(--border);
  font-size: .85rem;
  gap: 1rem;
}
.modal-row:last-child { border-bottom: none; }
.modal-row span:first-child { color: var(--muted); flex-shrink: 0; }

/* ── NUEVA CITA ───────────────────────────── */
.btn-nueva {
  background: var(--gold);
  color: #000;
  border: none;
  border-radius: 6px;
  padding: .45rem .9rem;
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  letter-spacing: .04em;
  transition: background .2s;
}
.btn-nueva:hover { background: var(--gold-light); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
  margin-bottom: .75rem;
}
.form-col { display: flex; flex-direction: column; }
.form-label {
  font-size: .75rem;
  color: var(--muted);
  margin-bottom: .3rem;
}
.form-input {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: .6rem .8rem;
  color: var(--text);
  font-size: .85rem;
  outline: none;
  font-family: inherit;
  transition: border-color .2s;
  width: 100%;
}
.form-input:focus { border-color: var(--gold); }
select.form-input option { background: var(--surface2); }
textarea.form-input { resize: vertical; }

/* ── RESPONSIVE ───────────────────────────── */
@media (max-width: 900px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .week-grid  { grid-template-columns: repeat(3, 1fr); }
  .main-content { padding: 1rem; }
  .header { padding: 0.75rem 1rem; }
}
@media (max-width: 600px) {
  .week-grid { grid-template-columns: repeat(2, 1fr); }
}