/* =============================================================================
 * NavRider Admin — "Riding Sky" theme
 * Sky-blue gradient header, white panels, electric-orange accent, graphite text.
 * ========================================================================== */

:root {
  --bg:        #F5F8FC;
  --bg-soft:   #EEF3FA;
  --panel:     #FFFFFF;
  --text:      #1A2238;
  --text-mute: #5C6B82;
  --text-faint:#8A98AE;
  --border:    #E3EAF2;
  --border-soft:#EEF2F7;
  --accent:    #FF6B1A;
  --accent-2:  #FF8C42;
  --accent-soft:#FFE8DA;
  --sky-1:     #5BA8F5;
  --sky-2:     #3D7BD8;
  --ok:        #1FA98F;
  --ok-soft:   #DCF3EE;
  --warn:      #E6B800;
  --warn-soft: #FFF4CC;
  --err:       #E04848;
  --err-soft:  #FBE0E0;
  --info:      #3D7BD8;

  --radius:    12px;
  --radius-sm: 8px;
  --shadow:    0 4px 14px rgba(26,34,56,0.08);
  --shadow-sm: 0 2px 6px rgba(26,34,56,0.06);
  --font:      -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --mono:      ui-monospace, SFMono-Regular, 'JetBrains Mono', Menlo, Consolas, monospace;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* -----------------------------------------------------------------------------
 * Login overlay
 * -------------------------------------------------------------------------- */

.overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(160deg, var(--sky-1), var(--sky-2));
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}

.login-card {
  background: var(--panel);
  border-radius: 16px;
  padding: 40px 48px;
  text-align: center;
  box-shadow: 0 16px 40px rgba(26,34,56,0.18);
  min-width: 340px;
}

.login-card h1 {
  font-size: 24px; color: var(--text); margin-bottom: 6px; font-weight: 700;
  letter-spacing: -0.01em;
}

.login-card p { color: var(--text-mute); margin-bottom: 24px; font-size: 14px; }

.error { color: var(--err); margin-top: 12px; font-size: 13px; }

/* -----------------------------------------------------------------------------
 * Buttons
 * -------------------------------------------------------------------------- */

.btn {
  padding: 9px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 500;
  font-family: var(--font);
  transition: background .15s, border-color .15s, color .15s, transform .05s;
}
.btn:hover { background: var(--bg-soft); border-color: #CFD9E6; }
.btn:active { transform: translateY(1px); }
.btn-sm { padding: 5px 12px; font-size: 12px; }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: #ED5A0E; border-color: #ED5A0E; }

.btn-google {
  background: #fff; border-color: var(--border);
  color: var(--text); font-size: 14px; padding: 11px 28px; font-weight: 500;
}
.btn-google:hover { background: var(--bg-soft); }

.btn-danger { color: var(--err); border-color: var(--err); background: #fff; }
.btn-danger:hover { background: var(--err-soft); }

.btn-success { color: var(--ok); border-color: var(--ok); background: #fff; }
.btn-success:hover { background: var(--ok-soft); }

/* -----------------------------------------------------------------------------
 * Header (sky gradient)
 * -------------------------------------------------------------------------- */

header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 28px;
  background: linear-gradient(135deg, var(--sky-1), var(--sky-2));
  color: #fff;
  box-shadow: 0 2px 12px rgba(61,123,216,0.18);
}

.header-left h1 {
  font-size: 19px; color: #fff; font-weight: 700; letter-spacing: -0.01em;
}

.header-right { display: flex; align-items: center; gap: 14px; }
.header-right span {
  color: rgba(255,255,255,0.85); font-size: 13px; font-weight: 500;
}
.header-right .btn {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.35);
  color: #fff;
}
.header-right .btn:hover {
  background: rgba(255,255,255,0.28);
  border-color: rgba(255,255,255,0.55);
}

/* -----------------------------------------------------------------------------
 * Tabs
 * -------------------------------------------------------------------------- */

.tabs {
  display: flex; gap: 2px;
  padding: 0 28px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}
.tab {
  padding: 14px 18px;
  background: none; border: none;
  color: var(--text-mute);
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 500;
  font-family: var(--font);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color .15s, border-color .15s;
}
.tab:hover { color: var(--text); }
.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* -----------------------------------------------------------------------------
 * Tab content
 * -------------------------------------------------------------------------- */

.tab-content { display: none; padding: 28px; }
.tab-content.active { display: block; }

/* -----------------------------------------------------------------------------
 * Stats grid
 * -------------------------------------------------------------------------- */

.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 16px; margin-bottom: 22px;
}

.stat-card {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-soft);
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  border-radius: var(--radius) 0 0 var(--radius);
}

.stat-label {
  font-size: 12px;
  color: var(--text-mute);
  margin-bottom: 6px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.stat-value {
  font-size: 30px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

/* -----------------------------------------------------------------------------
 * Cards
 * -------------------------------------------------------------------------- */

.card {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 18px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-soft);
}
.card h3 {
  font-size: 15px;
  color: var(--text);
  margin-bottom: 14px;
  font-weight: 600;
  letter-spacing: -0.005em;
}
.hint {
  font-size: 12.5px;
  color: var(--text-mute);
  margin-bottom: 14px;
}

/* -----------------------------------------------------------------------------
 * Tables
 * -------------------------------------------------------------------------- */

table { width: 100%; border-collapse: collapse; }
th {
  text-align: left; font-size: 11.5px;
  color: var(--text-mute);
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}
td {
  padding: 11px 12px;
  font-size: 13px;
  color: var(--text);
  border-bottom: 1px solid var(--border-soft);
}
tr:hover { background: var(--bg-soft); }

/* -----------------------------------------------------------------------------
 * Bar chart
 * -------------------------------------------------------------------------- */

.bar-row { display: flex; align-items: center; margin-bottom: 8px; }
.bar-label {
  width: 140px; font-size: 12.5px; color: var(--text-mute);
}
.bar-track {
  flex: 1; height: 22px; background: var(--bg-soft);
  border-radius: 6px; overflow: hidden;
  border: 1px solid var(--border-soft);
}
.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 5px;
  transition: width .5s;
  display: flex; align-items: center;
  padding-left: 10px;
  font-size: 11px; color: #fff;
  font-weight: 600;
  min-width: 30px;
}

/* -----------------------------------------------------------------------------
 * Forms
 * -------------------------------------------------------------------------- */

.form-row {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 12px;
}
.form-row label {
  width: 160px;
  font-size: 13px;
  color: var(--text);
  font-weight: 500;
  flex-shrink: 0;
}

.form-row input,
.form-row select,
.form-row textarea {
  padding: 9px 13px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--text);
  font-size: 13.5px;
  font-family: var(--font);
}

.form-row input { width: 130px; }
.form-row input.input-wide { width: 100%; flex: 1; }
.form-row select { min-width: 220px; cursor: pointer; }
.form-row textarea { flex: 1; resize: vertical; min-height: 60px; }

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.status-msg {
  font-size: 13px;
  color: var(--ok);
  margin-left: 12px;
  font-weight: 500;
}

/* -----------------------------------------------------------------------------
 * Status badges
 * -------------------------------------------------------------------------- */

.badge {
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  display: inline-block;
}
.badge-active   { background: var(--ok-soft);    color: var(--ok); }
.badge-disabled { background: var(--err-soft);   color: var(--err); }