/* ========================================================
   THEME VARIABLES (DARK / LIGHT THEME SUPPORT)
   ======================================================== */
:root {
  /* DARK THEME (DEFAULT) */
  --bg-app: #020617;
  --bg-header: rgba(15, 23, 42, 0.9);
  --bg-card: rgba(15, 23, 42, 0.85);
  --bg-card-hover: rgba(30, 41, 59, 0.6);
  --bg-pill: rgba(2, 6, 23, 0.7);
  --bg-input: #020617;
  --border-color: #1e293b;
  --divider-color: #1e293b;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-heading: #ffffff;
  --action-btn-bg: #1e293b;
  --action-btn-hover: #334155;
  --table-header-bg: #090d16;
  --table-divider: rgba(30, 41, 59, 0.6);
  --table-footer-bg: rgba(2, 6, 23, 0.95);
  --badge-count-bg: #1e293b;
}

html.light {
  /* LIGHT THEME (EXECUTIVE CLEAN BUSINESS) */
  --bg-app: #f8fafc;
  --bg-header: rgba(255, 255, 255, 0.92);
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-pill: #f1f5f9;
  --bg-input: #ffffff;
  --border-color: #e2e8f0;
  --divider-color: #e2e8f0;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --text-heading: #0f172a;
  --action-btn-bg: #f1f5f9;
  --action-btn-hover: #e2e8f0;
  --table-header-bg: #f8fafc;
  --table-divider: #e2e8f0;
  --table-footer-bg: #f8fafc;
  --badge-count-bg: #e2e8f0;
}

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-app);
  color: var(--text-primary);
  transition: background-color 0.25s ease, color 0.25s ease;
}

.theme-transition {
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

/* Header & Cards */
.app-header {
  background-color: var(--bg-header);
  border-color: var(--border-color);
}
.app-card {
  background-color: var(--bg-card);
  border-color: var(--border-color);
}
.pill-badge {
  background-color: var(--bg-pill);
  border-color: var(--border-color);
}
.app-divider {
  border-color: var(--divider-color);
}
.heading-text {
  color: var(--text-heading);
}
.app-subtext {
  color: var(--text-secondary);
}
.brand-title {
  color: var(--text-heading);
}
.action-btn {
  background-color: var(--action-btn-bg);
  border-color: var(--border-color);
  color: var(--text-primary);
}
.action-btn:hover {
  background-color: var(--action-btn-hover);
}
.badge-count {
  background-color: var(--badge-count-bg);
  color: var(--text-secondary);
}

/* Form Inputs */
.form-input {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  transition: all 0.15s ease;
}
.form-input:focus {
  outline: none;
  border-color: #f59e0b;
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.2);
}

/* Nav Pill Container */
.nav-pill-container {
  background-color: var(--bg-pill);
  border-color: var(--border-color);
}

.nav-tab.active {
  background-color: #f59e0b;
  color: #020617;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.25);
}
.nav-tab:not(.active) {
  color: var(--text-secondary);
}
.nav-tab:not(.active):hover {
  color: var(--text-primary);
  background-color: var(--action-btn-hover);
}

/* Tables */
.table-header {
  background-color: var(--table-header-bg);
  color: var(--text-secondary);
  border-color: var(--border-color);
}
.table-divider {
  border-color: var(--table-divider);
}
.table-footer {
  background-color: var(--table-footer-bg);
  color: var(--text-heading);
  border-color: var(--border-color);
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-app);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #64748b;
}

/* KPI Card */
.kpi-card {
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.kpi-card:hover {
  transform: translateY(-2px);
  border-color: #f59e0b;
  box-shadow: 0 8px 20px -4px rgba(0, 0, 0, 0.15);
}

/* Validation status badges */
.badge-valid {
  background-color: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.35);
}
.badge-overstated {
  background-color: rgba(244, 63, 94, 0.15);
  color: #f43f5e;
  border: 1px solid rgba(244, 63, 94, 0.35);
}
.badge-info {
  background-color: rgba(56, 189, 248, 0.15);
  color: #0284c7;
  border: 1px solid rgba(56, 189, 248, 0.35);
}
html.dark .badge-info {
  color: #38bdf8;
}
.badge-neutral {
  background-color: rgba(148, 163, 184, 0.15);
  color: #64748b;
  border: 1px solid rgba(148, 163, 184, 0.35);
}

/* Status Pipeline Badges */
.status-done {
  background-color: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.35);
}
.status-ongoing {
  background-color: rgba(245, 158, 11, 0.15);
  color: #d97706;
  border: 1px solid rgba(245, 158, 11, 0.35);
}
html.dark .status-ongoing {
  color: #fbbf24;
}
.status-planning {
  background-color: rgba(148, 163, 184, 0.15);
  color: #64748b;
  border: 1px solid rgba(148, 163, 184, 0.35);
}
.status-negotiation {
  background-color: rgba(168, 85, 247, 0.15);
  color: #9333ea;
  border: 1px solid rgba(168, 85, 247, 0.35);
}
html.dark .status-negotiation {
  color: #c084fc;
}
.status-postponed {
  background-color: rgba(234, 88, 12, 0.15);
  color: #ea580c;
  border: 1px solid rgba(234, 88, 12, 0.35);
}
.status-cancelled {
  background-color: rgba(225, 29, 72, 0.15);
  color: #e11d48;
  border: 1px solid rgba(225, 29, 72, 0.35);
}

/* Target Inputs in Table */
input[type="number"].qty-input {
  width: 100%;
  text-align: right;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 4px 6px;
  color: var(--text-primary);
  font-weight: 700;
  transition: all 0.15s ease;
}
input[type="number"].qty-input:focus {
  outline: none;
  border-color: #f59e0b;
  background-color: var(--bg-card);
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.2);
}
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type="number"] {
  -moz-appearance: textfield;
}

/* Toggle Switch */
.toggle-checkbox:checked {
  right: 0;
  border-color: #f59e0b;
}
.toggle-checkbox:checked + .toggle-label {
  background-color: #f59e0b;
}

/* History Timeline */
.history-timeline-item {
  position: relative;
  padding-left: 24px;
}
.history-timeline-item::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: -10px;
  width: 2px;
  background-color: var(--border-color);
}
.history-timeline-item:last-child::before {
  display: none;
}
.history-timeline-dot {
  position: absolute;
  left: 0;
  top: 5px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid #f59e0b;
  background-color: var(--bg-card);
}