/* ============================================================
   Cerveza Dimenna — Sistema de Reservas
   Estilo: industrial oscuro / bar nocturno
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700&family=Barlow:wght@400;500;600&display=swap');

/* ---------- Variables ---------------------------------------- */
:root {
  --bg:         #111416;
  --bg2:        #1a1e22;
  --bg3:        #222830;
  --border:     #2e3540;
  --accent:     #e8a020;   /* ámbar cervecero */
  --accent2:    #c4831a;
  --text:       #d8dde5;
  --text2:      #8a94a2;
  --white:      #f0f2f5;
  --danger:     #e05252;
  --success:    #3dba74;
  --info:       #4a9fd4;
  --warn:       #e8a020;
  --radius:     8px;
  --shadow:     0 4px 20px rgba(0,0,0,.45);
  --sidebar-w:  220px;
  --font-head:  'Barlow Condensed', sans-serif;
  --font-body:  'Barlow', sans-serif;
}

/* ---------- Reset -------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
}

/* ---------- Layout ------------------------------------------- */
#sidebar {
  width: var(--sidebar-w);
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 200;
  transition: transform .25s ease;
}
#main {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.topbar {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: .75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.page-content {
  padding: 1.5rem;
  flex: 1;
}

/* ---------- Sidebar logo ------------------------------------- */
.sidebar-logo {
  padding: 1.25rem 1rem 1rem;
  border-bottom: 1px solid var(--border);
}
.sidebar-logo h1 {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .04em;
  line-height: 1.1;
}
.sidebar-logo small {
  display: block;
  color: var(--text2);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* ---------- Nav ---------------------------------------------- */
nav { flex: 1; padding: .5rem 0; overflow-y: auto; }
nav a {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .7rem 1.1rem;
  color: var(--text2);
  text-decoration: none;
  font-size: .9rem;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: all .15s;
}
nav a:hover { color: var(--text); background: var(--bg3); }
nav a.active {
  color: var(--accent);
  border-left-color: var(--accent);
  background: rgba(232,160,32,.07);
}
nav a .nav-icon { font-size: 1.05rem; width: 1.2rem; text-align: center; }
.nav-section {
  font-size: .67rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text2);
  padding: 1rem 1.1rem .3rem;
  opacity: .6;
}

.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--border);
  font-size: .78rem;
  color: var(--text2);
}
.sidebar-footer strong { color: var(--text); display: block; }

/* ---------- Topbar ------------------------------------------- */
.topbar-title {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: .03em;
}
.burger {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.4rem;
  cursor: pointer;
  padding: .2rem .4rem;
}

/* ---------- Flash -------------------------------------------- */
.flash {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: .9rem;
  font-weight: 500;
}
.flash-ok    { background: rgba(61,186,116,.15); border: 1px solid var(--success); color: var(--success); }
.flash-error { background: rgba(224,82,82,.15);  border: 1px solid var(--danger);  color: var(--danger);  }
.flash-info  { background: rgba(74,159,212,.15); border: 1px solid var(--info);    color: var(--info);    }

/* ---------- KPI Cards ---------------------------------------- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.kpi-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  position: relative;
  overflow: hidden;
}
.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
}
.kpi-card.kpi-success::before { background: var(--success); }
.kpi-card.kpi-danger::before  { background: var(--danger);  }
.kpi-card.kpi-info::before    { background: var(--info);    }
.kpi-card.kpi-warn::before    { background: var(--warn);    }

.kpi-label {
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text2);
  margin-bottom: .35rem;
}
.kpi-value {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}
.kpi-sub {
  font-size: .75rem;
  color: var(--text2);
  margin-top: .2rem;
}

/* ---------- Cards genéricas ---------------------------------- */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}
.card-header {
  padding: .9rem 1.2rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.card-header h2 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: .03em;
}
.card-body { padding: 1.2rem; }

/* ---------- Tabla -------------------------------------------- */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: .87rem; }
thead th {
  background: var(--bg3);
  color: var(--text2);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .6rem .8rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background .12s;
}
tbody tr:hover { background: var(--bg3); }
tbody td { padding: .65rem .8rem; vertical-align: middle; }
tbody tr:last-child { border-bottom: none; }

/* ---------- Badges ------------------------------------------- */
.badge {
  display: inline-block;
  padding: .2rem .55rem;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .04em;
  white-space: nowrap;
}
.badge-pendiente  { background: rgba(232,160,32,.18); color: #e8a020; border: 1px solid rgba(232,160,32,.3); }
.badge-confirmada { background: rgba(61,186,116,.18); color: #3dba74; border: 1px solid rgba(61,186,116,.3); }
.badge-sentada    { background: rgba(74,159,212,.18); color: #4a9fd4; border: 1px solid rgba(74,159,212,.3); }
.badge-cancelada  { background: rgba(224,82,82,.18);  color: #e05252; border: 1px solid rgba(224,82,82,.3);  }
.badge-noasistio  { background: rgba(120,120,130,.18);color: #888;    border: 1px solid rgba(120,120,130,.3);}
.badge-mesa       { background: rgba(255,255,255,.07); color: var(--text); border: 1px solid var(--border); }

/* ---------- Botones ------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .5rem 1rem;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all .15s;
  white-space: nowrap;
}
.btn-primary   { background: var(--accent);  color: #111; }
.btn-primary:hover { background: var(--accent2); }
.btn-success   { background: var(--success); color: #fff; }
.btn-danger    { background: var(--danger);  color: #fff; }
.btn-ghost     { background: transparent; color: var(--text2); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--text2); }
.btn-sm        { padding: .28rem .6rem; font-size: .78rem; }
.btn-icon      { padding: .4rem .5rem; }
.btn:disabled  { opacity: .4; cursor: not-allowed; }

.actions { display: flex; gap: .35rem; flex-wrap: wrap; }

/* ---------- Formularios ------------------------------------- */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}
.form-group { display: flex; flex-direction: column; gap: .35rem; }
.form-group.full { grid-column: 1/-1; }
label {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--text2);
}
input, select, textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: .55rem .8rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: .9rem;
  width: 100%;
  transition: border-color .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232,160,32,.12);
}
textarea { resize: vertical; min-height: 70px; }
select option { background: var(--bg2); }
.form-actions {
  display: flex;
  gap: .75rem;
  margin-top: 1.25rem;
  flex-wrap: wrap;
}

/* ---------- Mesas selector ---------------------------------- */
.mesas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: .5rem;
  margin-top: .4rem;
}
.mesa-check { display: none; }
.mesa-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: .5rem .4rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all .15s;
  font-size: .8rem;
  text-align: center;
  gap: .15rem;
}
.mesa-label:hover { border-color: var(--accent); }
.mesa-check:checked + .mesa-label {
  border-color: var(--accent);
  background: rgba(232,160,32,.12);
  color: var(--accent);
}
.mesa-num { font-family: var(--font-head); font-size: 1.2rem; font-weight: 700; }
.mesa-info { color: var(--text2); font-size: .7rem; }
.mesa-label.ocupada {
  opacity: .4;
  cursor: not-allowed;
  pointer-events: none;
}

/* ---------- Login ------------------------------------------- */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  flex-direction: column;
  gap: 0;
}
.login-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 380px;
  box-shadow: var(--shadow);
}
.login-logo {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  text-align: center;
  margin-bottom: .2rem;
}
.login-sub {
  text-align: center;
  color: var(--text2);
  font-size: .8rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}
.login-box .form-group { margin-bottom: 1rem; }
.login-box .btn { width: 100%; justify-content: center; padding: .75rem; font-size: 1rem; margin-top: .5rem; }

/* ---------- Calendario -------------------------------------- */
.cal-slot {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: .75rem 0;
  border-bottom: 1px solid var(--border);
}
.cal-slot:last-child { border-bottom: none; }
.cal-time {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 60px;
}
.cal-info { flex: 1; }
.cal-name { font-weight: 600; font-size: .95rem; }
.cal-meta { color: var(--text2); font-size: .8rem; margin-top: .15rem; }

/* ---------- Ocupación bar ----------------------------------- */
.ocupacion-bar {
  background: var(--bg3);
  border-radius: 20px;
  height: 8px;
  overflow: hidden;
  margin-top: .4rem;
}
.ocupacion-fill {
  height: 100%;
  border-radius: 20px;
  background: linear-gradient(90deg, var(--success), var(--accent));
  transition: width .4s ease;
}

/* ---------- Filtros ----------------------------------------- */
.filtros {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  align-items: flex-end;
}
.filtros .form-group { margin: 0; min-width: 150px; }

/* ---------- Empty state ------------------------------------- */
.empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text2);
}
.empty-icon { font-size: 2.5rem; margin-bottom: .75rem; }
.empty p { font-size: .9rem; }

/* ---------- Responsive -------------------------------------- */
@media (max-width: 768px) {
  #sidebar {
    transform: translateX(-100%);
  }
  #sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow);
  }
  #main {
    margin-left: 0;
  }
  .burger { display: block; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .page-content { padding: 1rem; }
  .topbar { padding: .6rem 1rem; }
}
@media (max-width: 400px) {
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .kpi-value { font-size: 1.6rem; }
}

/* ---------- Overlay sidebar (mobile) ------------------------ */
#sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 199;
}
#sidebar-overlay.open { display: block; }

/* ---------- Misc -------------------------------------------- */
.text-muted { color: var(--text2); }
.text-accent { color: var(--accent); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.fw-bold { font-weight: 700; }
.mt-1 { margin-top: .5rem; }
.mb-1 { margin-bottom: .5rem; }
.d-flex { display: flex; }
.gap-1  { gap: .5rem; }
.align-center { align-items: center; }
.w-100  { width: 100%; }
.select-estado { min-width: 130px; padding: .3rem .5rem; font-size: .8rem; }

/* Confirmación rápida de borrado inline */
.confirm-wrap { display: inline; }
.confirm-wrap button[type=submit] { background: none; border: none; padding: 0; cursor: pointer; }