:root,
html[data-theme="light"] {
  --bg: #f2f5f9;
  --bg-gradient: radial-gradient(circle at 15% 0%, #eaf5ff 0%, #f2f5f9 45%);
  --surface: #ffffff;
  --surface-alt: #f6f9fc;
  --text: #16191f;
  --text-muted: #667085;
  --border: #e3e8ef;
  --primary: #75c4ff;
  --primary-hover: #4fb0ff;
  --primary-contrast: #0b3556;
  --primary-glow: rgba(117, 196, 255, 0.35);
  --danger: #dc2626;
  --danger-bg: #fee2e2;
  --warning: #d97706;
  --warning-bg: #fef3c7;
  --success: #16a34a;
  --success-bg: #dcfce7;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.08);
  --shadow-md: 0 8px 20px rgba(16, 24, 40, 0.08), 0 2px 6px rgba(16, 24, 40, 0.06);
  --radius: 16px;
  --hero-grad-1: #0a3d62;
  --hero-grad-2: #062a45;
  --hero-border: #0d5c8f;
  --hero-shadow: rgba(13, 92, 143, 0.35);
  --hero-line1: #4fc3ff;
  --hero-line2: #a9d4ec;
  --hero-unit-bg: rgba(13, 110, 175, 0.25);
  --hero-unit-border: #0d5c8f;
  --hero-value: #ffffff;
  --hero-label: #a9d4ec;
}

html[data-theme="dark"] {
  --bg: #101115;
  --bg-gradient: radial-gradient(circle at 15% 0%, #251419 0%, #101115 45%);
  --surface: #1a1b20;
  --surface-alt: #212228;
  --text: #ecedf0;
  --text-muted: #9498a3;
  --border: #2d2f37;
  --primary: #f43f5e;
  --primary-hover: #fb7185;
  --primary-contrast: #ffffff;
  --primary-glow: rgba(244, 63, 94, 0.35);
  --danger: #f87171;
  --danger-bg: #3b1d1d;
  --warning: #fbbf24;
  --warning-bg: #3b2f10;
  --success: #4ade80;
  --success-bg: #12301c;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 10px 24px rgba(0, 0, 0, 0.5), 0 2px 6px rgba(0, 0, 0, 0.4);
  --radius: 16px;
  --hero-grad-1: #3a0000;
  --hero-grad-2: #1a0000;
  --hero-border: #5c0000;
  --hero-shadow: rgba(139, 0, 0, 0.35);
  --hero-line1: #ff4d4d;
  --hero-line2: #d9a7a7;
  --hero-unit-bg: rgba(139, 0, 0, 0.35);
  --hero-unit-border: #5c0000;
  --hero-value: #ffffff;
  --hero-label: #d9a7a7;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg-gradient), var(--bg);
  background-attachment: fixed;
  color: var(--text);
  transition: background 0.2s ease, color 0.2s ease;
}

.card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: box-shadow 0.2s ease, transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
}

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

.login-body {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  width: 360px;
  padding: 44px 36px;
  text-align: center;
  box-shadow: var(--shadow-md), 0 0 60px var(--primary-glow);
}

.login-title {
  margin: 0;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.login-subtitle {
  margin: 4px 0 24px;
  color: var(--text-muted);
  font-size: 14px;
}

.alert {
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 13px;
  margin-bottom: 16px;
  text-align: left;
}

.alert-error {
  background: var(--danger-bg);
  color: var(--danger);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

.field[hidden] {
  display: none;
}

.field input,
.field select,
.field textarea {
  font: inherit;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-alt);
  color: var(--text);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 20%, transparent);
}

.checkbox-field {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.btn {
  font: inherit;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.05s ease, box-shadow 0.15s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: var(--primary-contrast);
  box-shadow: 0 2px 10px var(--primary-glow);
}
.btn-primary:hover { box-shadow: 0 4px 16px var(--primary-glow); filter: brightness(1.04); }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: var(--text-muted); background: var(--surface-alt); }

.btn-block { width: 100%; }

/* ---------- Topbar ---------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.brand-logo {
  width: 28px;
  height: 28px;
  object-fit: contain;
  border-radius: 50%;
}

.brand-logo-lg {
  width: 56px;
  height: 56px;
  margin: 0 auto 8px;
  display: block;
}

.login-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.tabs { display: flex; gap: 4px; }

.tab {
  font: inherit;
  font-weight: 600;
  font-size: 13px;
  padding: 8px 14px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
}

.tab-active {
  background: var(--surface-alt);
  color: var(--text);
}

.tab:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.select-sm {
  font: inherit;
  font-size: 13px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-alt);
  color: var(--text);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

.theme-switch {
  position: relative;
  width: 44px;
  height: 24px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-alt);
  cursor: pointer;
  padding: 0;
  transition: background 0.2s ease;
}

.theme-switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  transition: transform 0.2s ease;
}

html[data-theme="dark"] .theme-switch::after {
  transform: translateX(20px);
}

/* ---------- Dashboard ---------- */

.dashboard {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 28px 60px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 12px;
}

.section-header h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
}

.badge {
  font-size: 12px;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--warning-bg);
  color: var(--warning);
}

.toolbar { display: flex; gap: 10px; align-items: center; }

/* ---------- Hero banner ---------- */

.hero-banner {
  padding: 26px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  background: linear-gradient(135deg, var(--hero-grad-1), var(--hero-grad-2));
  border: 1px solid var(--hero-border);
  box-shadow: 0 10px 28px var(--hero-shadow);
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.hero-text { min-width: 240px; }

.hero-line1 {
  margin: 0 0 6px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--hero-line1);
}

.hero-line2 {
  margin: 0;
  font-size: 13px;
  color: var(--hero-line2);
}

.countdown {
  display: flex;
  gap: 14px;
}

.countdown-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 64px;
  padding: 10px 6px;
  border-radius: 12px;
  background: var(--hero-unit-bg);
  border: 1px solid var(--hero-unit-border);
}

.countdown-value {
  font-size: 24px;
  font-weight: 800;
  color: var(--hero-value);
  font-variant-numeric: tabular-nums;
}

.countdown-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--hero-label);
  margin-top: 2px;
}

.action-today {
  padding-bottom: 8px;
}

.action-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0 24px 20px;
}

.action-empty {
  color: var(--text-muted);
  font-size: 14px;
  padding: 8px 0;
}

.action-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 10px;
  background: var(--surface-alt);
  border-left: 4px solid var(--border);
}

.action-row.overdue { border-left-color: var(--danger); }
.action-row.due-today { border-left-color: var(--warning); }

.action-row .who { font-weight: 600; font-size: 14px; }
.action-row .meta { font-size: 12px; color: var(--text-muted); }

.action-row .actions { display: flex; gap: 6px; }

.btn-xs {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 8px;
}

/* ---------- Leads table ---------- */

.table-wrap { padding: 0 24px 24px; overflow-x: auto; }

.leads-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.leads-table th {
  text-align: left;
  color: var(--text-muted);
  font-weight: 600;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

.leads-table td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.leads-table tr:last-child td { border-bottom: none; }

.leads-table tr.row-overdue { background: color-mix(in srgb, var(--danger) 6%, transparent); }
.leads-table tr.row-due-today { background: color-mix(in srgb, var(--warning) 6%, transparent); }
.leads-table tr.row-settled { opacity: 0.6; }

.status-pill {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  background: var(--surface-alt);
  color: var(--text);
}

.status-pill.status-Won { background: var(--success-bg); color: var(--success); }
.status-pill.status-Lost { background: var(--danger-bg); color: var(--danger); }
.status-pill.status-Warm { background: var(--warning-bg); color: var(--warning); }

.wa-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--surface-alt);
  color: var(--text-muted);
}

.wa-badge-1 { background: color-mix(in srgb, var(--success) 18%, transparent); color: var(--success); }
.wa-badge-2 { background: color-mix(in srgb, var(--primary) 18%, transparent); color: var(--primary); }
.status-pill.status-Booked { background: color-mix(in srgb, var(--primary) 18%, transparent); color: var(--primary); }

.row-actions { display: flex; gap: 6px; flex-wrap: wrap; }

.notes-cell {
  max-width: 220px;
  white-space: pre-wrap;
  color: var(--text-muted);
  font-size: 12px;
}

/* ---------- Modal ---------- */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-overlay[hidden] {
  display: none;
}

.modal {
  width: 420px;
  max-width: 92vw;
  padding: 28px;
  max-height: 88vh;
  overflow-y: auto;
}

.modal-sm { width: 360px; }

.modal h3 { margin: 0 0 18px; font-size: 17px; }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 8px;
}

#quick-note-text {
  width: 100%;
  font: inherit;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-alt);
  color: var(--text);
  margin-bottom: 16px;
}

@media (max-width: 768px) {
  .topbar { flex-wrap: wrap; gap: 10px; }
  .toolbar { flex-wrap: wrap; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 10px; }
}