/* ============================================================================
   LEVEX BOT DASHBOARD — Dark theme profesional
   Paleta: gris neutro (fondo) + rojo Levex (acento) + verde/ámbar (estados)
============================================================================ */

:root {
  --bg-0:        #0b0d10;
  --bg-1:        #111418;
  --bg-2:        #171b20;
  --bg-3:        #1e242b;
  --border:      #262d36;
  --border-soft: #1d232a;
  --text-1:      #eef2f6;
  --text-2:      #aab3bf;
  --text-3:      #6b7380;
  --accent:      #e3262f;   /* Rojo Levex */
  --accent-soft: #a51a22;
  --success:     #22c55e;
  --warning:     #f59e0b;
  --danger:      #ef4444;
  --info:        #3b82f6;
  --radius:      10px;
  --radius-sm:   6px;
  --shadow-1:    0 1px 2px rgba(0,0,0,0.35);
  --shadow-2:    0 4px 24px rgba(0,0,0,0.45);
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: var(--font);
  background: var(--bg-0);
  color: var(--text-1);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

a { color: inherit; }

code {
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  background: var(--bg-3);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.85em;
  color: var(--text-1);
}

/* ===========================================================================
   LOGIN
=========================================================================== */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  grid-template-columns: none;
  background: radial-gradient(circle at 30% 20%, #1a1f27 0%, var(--bg-0) 60%);
}
.login-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
  width: 100%;
  max-width: 380px;
  box-shadow: var(--shadow-2);
}
.login-brand {
  text-align: center;
  margin-bottom: 28px;
}
.login-logo {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: var(--accent);
  color: white;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 28px;
}
.login-card h1 { margin: 0 0 4px; font-size: 20px; }
.login-subtitle { color: var(--text-2); margin: 0; font-size: 13px; }
.login-form { display: flex; flex-direction: column; gap: 14px; }
.login-form label { display: flex; flex-direction: column; gap: 6px; }
.login-form label span { color: var(--text-2); font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
.login-form input {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-1);
  padding: 10px 12px;
  font: inherit;
  outline: none;
  transition: border-color 0.15s;
}
.login-form input:focus { border-color: var(--accent); }
.login-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
}
.login-footer {
  margin-top: 24px;
  text-align: center;
  color: var(--text-3);
  font-size: 12px;
}

/* ===========================================================================
   SIDEBAR
=========================================================================== */
.sidebar {
  background: var(--bg-1);
  border-right: 1px solid var(--border);
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px 14px;
  border-bottom: 1px solid var(--border-soft);
}
.brand-logo {
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: white;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}
.brand-text strong { display: block; font-size: 14px; }
.brand-text small { color: var(--text-2); font-size: 11px; }

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  background: transparent;
  color: var(--text-2);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: left;
  font: inherit;
  transition: all 0.12s;
}
.nav-item:hover { background: var(--bg-2); color: var(--text-1); }
.nav-item.active {
  background: var(--bg-3);
  color: var(--text-1);
  box-shadow: inset 3px 0 0 var(--accent);
}
.nav-icon { font-size: 15px; }

.sidebar-footer {
  padding-top: 14px;
  border-top: 1px solid var(--border-soft);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.bot-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--bg-2);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--text-2);
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-3);
  flex-shrink: 0;
}
.status-dot.on  { background: var(--success); box-shadow: 0 0 8px var(--success); }
.status-dot.off { background: var(--danger); }
.btn-logout {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border);
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  font: inherit;
  transition: all 0.12s;
}
.btn-logout:hover { background: var(--bg-2); color: var(--text-1); }

/* ===========================================================================
   MAIN
=========================================================================== */
.main {
  padding: 24px 32px 60px;
  overflow-x: hidden;
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-soft);
}
.topbar h1 { margin: 0; font-size: 22px; letter-spacing: -0.01em; }
.topbar-subtitle { margin: 2px 0 0; color: var(--text-2); font-size: 13px; }
.topbar-actions { display: flex; gap: 10px; }

.btn-primary, .btn-ghost, .btn-warn, .btn-success {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font: inherit;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: all 0.12s;
}
.btn-primary {
  background: var(--accent);
  color: white;
}
.btn-primary:hover { background: var(--accent-soft); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-ghost {
  background: var(--bg-2);
  color: var(--text-1);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--bg-3); }
.btn-reload { color: #fbbf24; }
.btn-warn {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
  border-color: rgba(245, 158, 11, 0.35);
}
.btn-warn:hover { background: rgba(245, 158, 11, 0.25); }
.btn-success {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
  border-color: rgba(34, 197, 94, 0.35);
}
.btn-success:hover { background: rgba(34, 197, 94, 0.25); }

/* ===========================================================================
   KPIs
=========================================================================== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}
.kpi-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: border-color 0.12s;
}
.kpi-card:hover { border-color: var(--border); }
.kpi-label {
  font-size: 11px;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}
.kpi-value {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-1);
  margin-bottom: 6px;
}
.kpi-value small { font-size: 14px; color: var(--text-2); font-weight: 400; }
.kpi-hint {
  font-size: 12px;
  color: var(--text-2);
}

/* ===========================================================================
   CHARTS
=========================================================================== */
.chart-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.chart-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  min-height: 340px;
  display: flex;
  flex-direction: column;
}
.chart-card-wide { grid-column: span 2; }
.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.chart-header h3 { margin: 0; font-size: 14px; color: var(--text-1); }
.chart-header select {
  background: var(--bg-2);
  color: var(--text-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 8px;
  font: inherit;
  font-size: 12px;
}
.chart-card canvas {
  flex: 1;
  min-height: 260px;
  max-height: 320px;
}

/* ===========================================================================
   VIEWS (toggling)
=========================================================================== */
.view.hidden { display: none; }

/* ===========================================================================
   FILTERS + TABLE
=========================================================================== */
.filters {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.filters input[type="search"] {
  flex: 1;
  min-width: 240px;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-1);
  padding: 9px 12px;
  font: inherit;
  outline: none;
}
.filters input[type="search"]:focus { border-color: var(--accent); }
.filters select {
  background: var(--bg-1);
  color: var(--text-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 10px;
  font: inherit;
}

.table-wrap {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: auto;
  max-height: 70vh;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.data-table thead {
  position: sticky;
  top: 0;
  background: var(--bg-2);
  z-index: 1;
}
.data-table th {
  text-align: left;
  padding: 10px 12px;
  font-weight: 600;
  color: var(--text-2);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text-1);
  white-space: nowrap;
}
.data-table tbody tr:hover td { background: var(--bg-2); }
.data-table .table-empty {
  text-align: center;
  color: var(--text-3);
  padding: 40px;
}
.data-table a { color: var(--info); text-decoration: none; }
.data-table a:hover { text-decoration: underline; }

.pagination {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
  padding: 14px 0;
}
.pagination button {
  background: var(--bg-2);
  color: var(--text-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 10px;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
}
.pagination button:disabled { opacity: 0.4; cursor: default; }
.pagination .current {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

/* ===========================================================================
   SETTINGS
=========================================================================== */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 16px;
}
.settings-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
}
.settings-card h3 {
  margin: 0 0 10px;
  font-size: 15px;
}
.settings-hint {
  color: var(--text-2);
  font-size: 12px;
  margin: 0 0 18px;
}
.form-row {
  margin-bottom: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-row label {
  font-size: 12px;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.form-row input[type="text"],
.form-row input[type="password"],
.form-row input[type="date"] {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-1);
  padding: 9px 12px;
  font: inherit;
  outline: none;
}
.form-row input:focus { border-color: var(--accent); }
.current-value {
  color: var(--text-3);
  font-size: 11px;
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
}
.input-group { display: flex; gap: 4px; }
.input-group input { flex: 1; }
.btn-toggle-visibility {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-2);
  width: 40px;
  cursor: pointer;
  font-size: 14px;
}
.btn-toggle-visibility:hover { color: var(--text-1); }

.switch-label {
  display: flex !important;
  flex-direction: row !important;
  align-items: center;
  gap: 10px !important;
  text-transform: none !important;
  font-size: 14px !important;
  color: var(--text-1) !important;
  cursor: pointer;
}
.switch-label input[type="checkbox"] { width: 18px; height: 18px; cursor: pointer; }

.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}
.control-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.info-list { margin: 0; }
.info-list dt {
  font-size: 11px;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 10px;
}
.info-list dt:first-child { margin-top: 0; }
.info-list dd { margin: 4px 0 0; color: var(--text-1); font-size: 13px; }

/* ===========================================================================
   TOAST
=========================================================================== */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  color: var(--text-1);
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-2);
  z-index: 1000;
  max-width: 380px;
  font-size: 13px;
  animation: slideIn 0.2s ease-out;
}
.toast.success { border-left-color: var(--success); }
.toast.error   { border-left-color: var(--danger); }
.toast.warn    { border-left-color: var(--warning); }
@keyframes slideIn {
  from { transform: translateX(20px); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

/* ===========================================================================
   RESPONSIVE
=========================================================================== */
@media (max-width: 980px) {
  body { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    height: auto;
    flex-direction: row;
    flex-wrap: wrap;
  }
  .sidebar-nav { flex-direction: row; flex-wrap: wrap; }
  .sidebar-footer { flex-direction: row; }
  .chart-grid { grid-template-columns: 1fr; }
  .chart-card-wide { grid-column: auto; }
  .main { padding: 20px; }
}