@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ─── CSS Variables ─────────────────────────────────────────────────── */
:root {
  --bg-primary: #f3f6fb;
  --bg-secondary: #eaf1fb;
  --bg-card: #ffffff;
  --bg-card-hover: #f6f9ff;
  --bg-input: #f9fbff;
  --border: #d6e1f0;
  --border-light: #bfd2ea;

  --accent: #0f6cbd;
  --accent-hover: #0b5aa0;
  --accent-glow: rgba(15, 108, 189, 0.14);
  --success: #198754;
  --success-bg: rgba(25, 135, 84, 0.12);
  --warning: #b26a00;
  --warning-bg: rgba(178, 106, 0, 0.12);
  --danger: #c93535;
  --danger-bg: rgba(201, 53, 53, 0.12);
  --purple: #3154a5;
  --purple-bg: rgba(49, 84, 165, 0.12);
  --cyan: #007f9f;
  --cyan-bg: rgba(0, 127, 159, 0.12);

  --text-primary: #10243e;
  --text-secondary: #36506f;
  --text-muted: #647c98;

  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --shadow: 0 4px 20px rgba(16, 36, 62, 0.08);
  --shadow-lg: 0 12px 34px rgba(16, 36, 62, 0.14);
  --transition: all 0.2s ease;
}

[data-theme="dark"] {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: #1a2235;
  --bg-card-hover: #1f2a3d;
  --bg-input: #0d1424;
  --border: #1e2d45;
  --border-light: #243554;

  --accent: #4e9cff;
  --accent-hover: #3d86df;
  --accent-glow: rgba(78, 156, 255, 0.18);
  --success: #27b27e;
  --success-bg: rgba(39, 178, 126, 0.15);
  --warning: #d3912b;
  --warning-bg: rgba(211, 145, 43, 0.15);
  --danger: #e06464;
  --danger-bg: rgba(224, 100, 100, 0.15);
  --purple: #7c8fff;
  --purple-bg: rgba(124, 143, 255, 0.15);
  --cyan: #32b1d0;
  --cyan-bg: rgba(50, 177, 208, 0.15);

  --text-primary: #eef4ff;
  --text-secondary: #b0c2d8;
  --text-muted: #7f94ad;

  --shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.45);
}

/* ─── Reset & Base ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  font-size: 14px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ─── Scrollbar ─────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #e8eef7; }
::-webkit-scrollbar-thumb { background: #bfd1e6; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ─── Navbar ────────────────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-primary);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
  color: var(--text-primary);
}

.navbar-brand .logo-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, #0f6cbd, #2d85d3);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.navbar-nav a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 13px;
  transition: var(--transition);
}

.navbar-nav a:hover, .navbar-nav a.active {
  background: var(--accent-glow);
  color: var(--accent);
}

.theme-toggle-link {
  border: 1px solid var(--border);
  background: var(--bg-card);
}

/* ─── Layout ────────────────────────────────────────────────────────── */
.page-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

.page-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ─── Cards ─────────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--transition);
}

.card:hover { border-color: var(--border-light); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ─── Stat Cards ────────────────────────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}

.stat-card.blue::before { background: linear-gradient(90deg, var(--accent), var(--cyan)); }
.stat-card.green::before { background: linear-gradient(90deg, var(--success), #34d399); }
.stat-card.orange::before { background: linear-gradient(90deg, var(--warning), #fbbf24); }
.stat-card.purple::before { background: linear-gradient(90deg, var(--purple), #a78bfa); }
.stat-card.red::before { background: linear-gradient(90deg, var(--danger), #f87171); }
.stat-card.cyan::before { background: linear-gradient(90deg, var(--cyan), #67e8f9); }

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: var(--border-light);
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.stat-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.stat-icon {
  position: absolute;
  top: 16px; right: 16px;
  font-size: 24px;
  opacity: 0.15;
}

/* ─── Buttons ───────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #1b80d1);
  color: white;
  box-shadow: 0 2px 12px rgba(59, 130, 246, 0.3);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4); }

.btn-success {
  background: linear-gradient(135deg, var(--success), #2ca56c);
  color: white;
  box-shadow: 0 2px 12px rgba(16, 185, 129, 0.3);
}
.btn-success:hover { transform: translateY(-1px); }

.btn-warning {
  background: linear-gradient(135deg, var(--warning), #d08211);
  color: #ffffff;
  box-shadow: 0 2px 12px rgba(245, 158, 11, 0.3);
}
.btn-warning:hover { transform: translateY(-1px); }

.btn-danger {
  background: linear-gradient(135deg, var(--danger), #df5a5a);
  color: white;
}
.btn-danger:hover { transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-outline:hover { background: var(--bg-card-hover); color: var(--text-primary); border-color: var(--border-light); }

.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-icon { padding: 8px; }

/* ─── Forms ─────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: #10243e;
  font-size: 14px;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
}

.form-control:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.form-control::placeholder { color: var(--text-muted); }

select.form-control option { background: var(--bg-card); }

textarea.form-control { resize: vertical; min-height: 80px; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

/* ─── Table ──────────────────────────────────────────────────────────── */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

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

thead th {
  background: var(--bg-secondary);
  padding: 12px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}

tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--bg-card-hover); }

tbody td {
  padding: 12px 16px;
  color: var(--text-secondary);
  vertical-align: middle;
}

tbody td:first-child { color: var(--text-primary); font-weight: 500; }

/* ─── Badges ────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.badge-open { background: rgba(100,116,139,0.15); color: #94a3b8; }
.badge-in_progress, .badge-in-progress { background: var(--accent-glow); color: var(--accent); }
.badge-waiting { background: var(--warning-bg); color: var(--warning); }
.badge-completed { background: var(--success-bg); color: var(--success); }
.badge-dropped { background: rgba(239, 68, 68, 0.15); color: var(--danger); }

/* ─── Inline Select Badge ───────────────────────────────────────────── */
.inline-status-wrapper {
  display: inline-flex;
  align-items: center;
  border-radius: 20px;
  overflow: hidden;
  height: 22px;
}
.inline-status-select {
  background: transparent;
  border: none;
  color: inherit;
  font-size: 11px;
  font-weight: 600;
  padding: 0 4px 0 10px;
  cursor: pointer;
  outline: none;
  font-family: inherit;
  appearance: none;
  position: relative;
}
.inline-status-select option {
  background: var(--bg-card);
  color: var(--text-primary);
}
.inline-status-wrapper::after {
  content: "▼";
  font-size: 8px;
  margin-right: 8px;
  pointer-events: none;
}

.badge-urgent { background: rgba(239,68,68,0.15); color: #f87171; }
.badge-high { background: var(--warning-bg); color: var(--warning); }
.badge-medium { background: rgba(59,130,246,0.15); color: #60a5fa; }
.badge-low { background: rgba(100,116,139,0.15); color: #64748b; }

.roi-excellent { background: linear-gradient(90deg, #10b981, #34d399); color: white; }
.roi-very_good { background: linear-gradient(90deg, #3b82f6, #60a5fa); color: white; }
.roi-good { background: var(--cyan-bg); color: var(--cyan); }
.roi-average { background: var(--warning-bg); color: var(--warning); }
.roi-poor { background: var(--danger-bg); color: var(--danger); }
.roi-high_opportunity { background: linear-gradient(90deg, #8b5cf6, #a78bfa); color: white; }
.roi-na { background: rgba(100,116,139,0.1); color: #64748b; }


/* ─── Search/Filter Bar ─────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  align-items: center;
}

.filter-bar .form-control {
  flex: 1;
  min-width: 140px;
  max-width: 220px;
}

.search-input {
  flex: 2 !important;
  max-width: 340px !important;
  padding-left: 36px !important;
}

.search-wrapper {
  position: relative;
  flex: 2;
  min-width: 200px;
  max-width: 340px;
}

.search-wrapper .search-icon {
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
  pointer-events: none;
}

/* ─── Modal ─────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(18, 36, 58, 0.26);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-overlay.active { opacity: 1; pointer-events: all; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: scale(0.96) translateY(10px);
  transition: transform 0.2s ease;
}

.modal-overlay.active .modal { transform: scale(1) translateY(0); }

.modal-header {
  padding: 20px 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  transition: var(--transition);
  line-height: 1;
}
.modal-close::before { content: "X"; }

.modal-close:hover { color: var(--text-primary); background: var(--bg-card-hover); }

.modal-body { padding: 20px 24px; }
.modal-footer {
  padding: 0 24px 20px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ─── Tabs ──────────────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-secondary);
  padding: 4px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  overflow-x: auto;
}

.tab-btn {
  flex-shrink: 0;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  white-space: nowrap;
}

.tab-btn:hover { color: var(--text-secondary); }
.tab-btn.active { background: var(--bg-card); color: var(--text-primary); font-weight: 600; }

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

/* ─── Section Sub-cards ─────────────────────────────────────────────── */
.section-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ─── ROI Summary Box ───────────────────────────────────────────────── */
.roi-box {
  background: linear-gradient(135deg, rgba(59,130,246,0.08), rgba(139,92,246,0.08));
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius);
  padding: 20px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
}

.roi-item { text-align: center; }
.roi-item-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.roi-item-value { font-size: 20px; font-weight: 700; color: var(--text-primary); }
.roi-item-value.expense { color: var(--danger); }
.roi-item-value.income { color: var(--success); }
.roi-item-value.expected { color: var(--accent); }

/* ─── Empty State ───────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}

.empty-state .empty-icon { font-size: 36px; margin-bottom: 10px; opacity: 0.5; }
.empty-state p { font-size: 13px; }

/* ─── Toast ─────────────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-primary);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 260px;
  animation: slideIn 0.3s ease;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--accent); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ─── Loading Spinner ───────────────────────────────────────────────── */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

/* ─── Chart container ───────────────────────────────────────────────── */
.chart-container {
  position: relative;
  height: 220px;
}

/* ─── Multi-select chips ────────────────────────────────────────────── */
.chip-group { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.chip {
  padding: 4px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}
.chip.selected {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--accent);
}

/* ─── Progress bar ──────────────────────────────────────────────────── */
.progress-bar {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 4px;
}
.progress-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent), var(--purple));
  transition: width 0.5s ease;
}

/* ─── Responsive ────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .page-container { padding: 16px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row, .form-grid { grid-template-columns: 1fr; }
  .navbar { padding: 0 16px; }
  .filter-bar { flex-direction: column; }
  .filter-bar .form-control, .search-wrapper { max-width: 100%; width: 100%; }
  .modal { max-height: 95vh; }
  .roi-box { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
  .tabs { gap: 2px; }
  .tab-btn { padding: 7px 12px; font-size: 12px; }
}