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

:root {
  --bg: #0d0d12;
  --surface: #16161f;
  --surface2: #1e1e2a;
  --surface3: #252535;
  --border: #2a2a3d;
  --accent: #00e5a0;
  --accent-dim: rgba(0,229,160,0.1);
  --purple: #7c6af7;
  --danger: #ff4d6d;
  --warning: #ffb830;
  --success: #00e5a0;
  --text: #e8e8f2;
  --text2: #9090b0;
  --text3: #55556a;
  --sidebar-w: 240px;
  --topbar-h: 60px;
  --radius: 10px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
}

/* ========== LOGIN ========== */
#login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  background: radial-gradient(ellipse at center, rgba(0,229,160,0.05) 0%, transparent 70%);
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow);
}

.login-logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 6px;
  letter-spacing: -0.5px;
}

.login-sub {
  color: var(--text3);
  font-size: 13px;
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 36px;
}

.form-group { margin-bottom: 18px; }

.form-group label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.form-group input {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus { border-color: var(--accent); }
.form-group input::placeholder { color: var(--text3); }

.error-msg {
  color: var(--danger);
  font-size: 13px;
  margin-top: 10px;
  display: none;
  font-family: 'JetBrains Mono', monospace;
}

/* ========== APP LAYOUT ========== */
#app {
  display: none;
  min-height: 100vh;
}

/* ========== SIDEBAR ========== */
#sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 200;
  transition: transform 0.3s;
}

.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.5px;
}

.sidebar-logo-sub {
  font-size: 11px;
  color: var(--text3);
  font-family: 'JetBrains Mono', monospace;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--text2);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s;
  position: relative;
  user-select: none;
}

.nav-item:hover { background: var(--surface2); color: var(--text); }
.nav-item.active { background: var(--accent-dim); color: var(--accent); }

.nav-icon { font-size: 18px; width: 22px; text-align: center; }

.nav-badge {
  position: absolute;
  right: 12px;
  background: var(--danger);
  color: white;
  border-radius: 20px;
  padding: 2px 7px;
  font-size: 11px;
  font-weight: 700;
  display: none;
}

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--border);
}

/* ========== TOPBAR ========== */
#topbar {
  position: fixed;
  top: 0;
  left: var(--sidebar-w);
  right: 0;
  height: var(--topbar-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 100;
}

.topbar-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.topbar-right { display: flex; align-items: center; gap: 12px; }

#notif-badge {
  background: var(--danger);
  color: white;
  border-radius: 20px;
  padding: 3px 9px;
  font-size: 12px;
  font-weight: 700;
  display: none;
}

#menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text2);
  font-size: 22px;
  cursor: pointer;
  padding: 4px;
}

/* ========== MAIN CONTENT ========== */
#main {
  margin-left: var(--sidebar-w);
  margin-top: var(--topbar-h);
  padding: 28px;
  min-height: calc(100vh - var(--topbar-h));
}

/* ========== PAGES ========== */
.page { display: none; }
.page.active { display: block; }

.page-header {
  margin-bottom: 24px;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 4px;
}

.page-sub {
  font-size: 13px;
  color: var(--text2);
}

/* ========== STATS GRID ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

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

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--accent);
  border-radius: 2px 0 0 2px;
}

.stat-card.purple::before { background: var(--purple); }
.stat-card.warning::before { background: var(--warning); }
.stat-card.danger::before { background: var(--danger); }

.stat-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 32px;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text);
  line-height: 1;
}

/* ========== GRID 2 ========== */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

/* ========== CARD ========== */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
}

.card-body { padding: 16px; }

/* ========== DASHBOARD ITEMS ========== */
.dash-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.dash-item:last-child { border-bottom: none; }
.dash-item.unread .dash-item-route { color: var(--accent); }

.dash-item-route { font-size: 14px; font-weight: 600; }
.dash-item-meta { font-size: 12px; color: var(--text2); margin-top: 2px; font-family: 'JetBrains Mono', monospace; }
.dot-unread { width: 8px; height: 8px; background: var(--danger); border-radius: 50%; flex-shrink: 0; }

/* ========== NOTIFICATION CARDS ========== */
#notifications-list { display: flex; flex-direction: column; gap: 10px; }

.notif-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.notif-card.unread { border-color: var(--accent); background: rgba(0,229,160,0.03); }

.notif-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: transparent;
  flex-shrink: 0;
}

.notif-card.unread .notif-dot { background: var(--accent); }

.notif-body { flex: 1; }
.notif-route { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.notif-details { display: flex; gap: 8px; flex-wrap: wrap; }

.badge-pill {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3px 10px;
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
}

.badge-pill.price { color: var(--accent); border-color: var(--accent-dim); }
.badge-pill.filter { color: var(--purple); }

.read-label { color: var(--text3); font-size: 12px; }

/* ========== FILTER CARDS ========== */
#filters-list { display: flex; flex-direction: column; gap: 10px; }

.filter-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.filter-status {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.filter-status.active { background: var(--accent); box-shadow: 0 0 6px var(--accent); }
.filter-status.inactive { background: var(--text3); }

.filter-info { flex: 1; }
.filter-name { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.filter-details { display: flex; gap: 10px; flex-wrap: wrap; font-size: 12px; color: var(--text2); font-family: 'JetBrains Mono', monospace; }
.filter-actions { display: flex; gap: 8px; }

/* ========== ADD FILTER FORM ========== */
.add-filter-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

.section-title-sm {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 16px;
}

.filter-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.filter-form-grid input {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  outline: none;
  width: 100%;
  transition: border-color 0.2s;
}

.filter-form-grid input:focus { border-color: var(--accent); }
.filter-form-grid input::placeholder { color: var(--text3); }

/* ========== TABLE ========== */
.table-wrapper { overflow-x: auto; }

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

.data-table th {
  text-align: left;
  padding: 12px 16px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--surface2); }

.price-cell {
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent);
  font-weight: 600;
}

.msg-cell {
  font-family: 'JetBrains Mono', monospace;
  color: var(--text2);
  font-size: 12px;
  max-width: 200px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
}

.btn-primary { background: var(--accent); color: #0a0a0f; }
.btn-primary:hover { opacity: 0.85; }
.btn-outline { background: var(--surface2); border: 1px solid var(--border); color: var(--text2); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger { background: rgba(255,77,109,0.1); border: 1px solid var(--danger); color: var(--danger); }
.btn-danger:hover { background: rgba(255,77,109,0.2); }
.btn-success { background: var(--accent-dim); border: 1px solid var(--accent); color: var(--accent); }
.btn-warning { background: rgba(255,184,48,0.1); border: 1px solid var(--warning); color: var(--warning); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-logout { background: var(--surface2); border: 1px solid var(--border); color: var(--text2); }
.btn-logout:hover { border-color: var(--danger); color: var(--danger); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-full { width: 100%; margin-top: 8px; padding: 13px; font-size: 15px; }

/* ========== LOADING ========== */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 48px;
  color: var(--text3);
  font-size: 13px;
}

.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* ========== EMPTY STATE ========== */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text3);
}

.empty-icon { font-size: 36px; margin-bottom: 12px; }
.empty-state p { font-size: 14px; }

/* ========== TOAST ========== */
#toast-container {
  position: fixed;
  top: 70px;
  right: 16px;
  z-index: 9000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 320px;
}

.toast {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 13px;
  transform: translateX(120%);
  transition: transform 0.3s ease;
  box-shadow: var(--shadow);
}

.toast.show { transform: translateX(0); }
.toast-success { border-color: var(--accent); }
.toast-error { border-color: var(--danger); }
.toast-alert { border-color: var(--warning); background: rgba(255,184,48,0.05); }

/* ========== ALERT MODAL ========== */
.alert-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(0,0,0,0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.alert-modal-box {
  background: var(--surface);
  border: 2px solid var(--accent);
  border-radius: 20px;
  padding: 44px 36px;
  max-width: 460px;
  width: 100%;
  text-align: center;
  box-shadow: 0 0 80px rgba(0,229,160,0.25);
  animation: modalPop 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.75); }
  to { opacity: 1; transform: scale(1); }
}

.alert-modal-icon {
  font-size: 56px;
  margin-bottom: 16px;
  animation: bellShake 0.5s ease infinite alternate;
}

@keyframes bellShake {
  from { transform: rotate(-10deg); }
  to { transform: rotate(10deg); }
}

.alert-modal-tag {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 14px;
}

.alert-modal-route {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 10px;
}

.alert-modal-price {
  font-size: 44px;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 14px;
}

.alert-modal-meta {
  display: flex;
  gap: 14px;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  color: var(--text2);
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.alert-modal-info {
  font-size: 13px;
  color: var(--text2);
  margin-bottom: 6px;
  font-family: 'JetBrains Mono', monospace;
}

.alert-modal-msg {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text2);
  text-align: left;
  margin: 10px 0 20px;
  word-break: break-word;
}

.alert-modal-btn {
  background: var(--accent);
  color: #0a0a0f;
  border: none;
  border-radius: 12px;
  padding: 16px 32px;
  font-size: 15px;
  font-weight: 700;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  width: 100%;
  margin-top: 10px;
  transition: opacity 0.15s;
}

.alert-modal-btn:hover { opacity: 0.85; }

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  :root { --sidebar-w: 0px; }

  #sidebar {
    width: 240px;
    transform: translateX(-100%);
  }

  #sidebar.open { transform: translateX(0); }

  #topbar { left: 0; }
  #main { margin-left: 0; padding: 16px; }
  #menu-btn { display: block; }

  .grid-2 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }

  .alert-modal-box { padding: 32px 24px; }
  .alert-modal-price { font-size: 36px; }
  .alert-modal-route { font-size: 22px; }
}

@media (max-width: 400px) {
  .stats-grid { grid-template-columns: 1fr; }
  .login-card { padding: 32px 24px; }
}