/* APEX FLOW - Smart Transport & Logistics Design System */
:root {
  --primary-navy: #062b57;
  --primary-dark: #031b39;
  --accent-blue: #0789ff;
  --accent-hover: #056ece;
  --light-blue: #eef6ff;
  --bg-main: #f4f7fb;
  --card-bg: #ffffff;
  --text-main: #14213d;
  --text-muted: #627991;
  --border-color: #e1e8f0;
  
  --success: #08a75a;
  --success-light: #d9f8e8;
  --warning: #f59e0b;
  --warning-light: #fef3c7;
  --danger: #ef3348;
  --danger-light: #ffe0e4;
  --info: #6946d8;
  --info-light: #ede9fe;

  --sidebar-width: 250px;
  --topbar-height: 72px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 2px 6px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.08);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
}

body {
  background: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
}

.app {
  display: flex;
  min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
  width: var(--sidebar-width);
  background: linear-gradient(180deg, var(--primary-navy), var(--primary-dark));
  color: #ffffff;
  padding: 22px 15px;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  overflow-y: auto;
  z-index: 100;
  transition: all 0.3s ease;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 30px;
  padding-left: 8px;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-blue);
  clip-path: polygon(50% 0, 100% 100%, 70% 100%, 50% 55%, 30% 100%, 0 100%);
  border-radius: 4px;
}

.logo-text h1 {
  font-size: 24px;
  letter-spacing: 1px;
  font-weight: 800;
  color: #ffffff;
}

.logo-text h1 span {
  color: #09a6ff;
}

.logo-text p {
  font-size: 10px;
  color: #a0c4e8;
  margin-top: 2px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.menu {
  list-style: none;
}

.menu li {
  margin: 5px 0;
}

.menu a {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #cde2f8;
  text-decoration: none;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  transition: background 0.2s ease, color 0.2s ease;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}

.menu a:hover,
.menu a.active {
  background: var(--accent-blue);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 4px 10px rgba(7, 137, 255, 0.3);
}

.menu-icon {
  width: 22px;
  text-align: center;
  font-size: 17px;
}

.sidebar-bottom {
  margin-top: 40px;
  padding: 20px 15px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.sidebar-bottom .truck {
  font-size: 36px;
  margin-bottom: 8px;
}

.sidebar-bottom h3 {
  font-size: 13px;
  color: #e2f0fe;
  line-height: 1.4;
  font-weight: 600;
}

/* MAIN CONTENT LAYOUT */
.main {
  margin-left: var(--sidebar-width);
  width: calc(100% - var(--sidebar-width));
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* TOPBAR */
.topbar {
  height: var(--topbar-height);
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 90;
  box-shadow: var(--shadow-sm);
}

.search-bar {
  position: relative;
  width: 360px;
}

.search-bar input {
  width: 100%;
  background: #f0f5fb;
  border: 1px solid #d7e3ef;
  border-radius: var(--radius-md);
  padding: 10px 14px 10px 38px;
  font-size: 13px;
  color: var(--text-main);
  outline: none;
  transition: all 0.2s ease;
}

.search-bar input:focus {
  border-color: var(--accent-blue);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(7, 137, 255, 0.15);
}

.search-bar .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
}

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

.notif-badge {
  position: relative;
  font-size: 20px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: 50%;
  transition: background 0.2s ease;
}

.notif-badge:hover {
  background: var(--light-blue);
  color: var(--accent-blue);
}

.notif-badge .count {
  position: absolute;
  top: -2px;
  right: -2px;
  background: var(--danger);
  color: white;
  border-radius: 50%;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 5px;
  border: 2px solid white;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-md);
}

.user-profile:hover {
  background: var(--bg-main);
}

.user-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-navy), var(--accent-blue));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
}

.user-info .user-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-main);
}

.user-info .user-role {
  font-size: 11px;
  color: var(--text-muted);
}

/* CONTENT CONTAINER */
.content {
  padding: 25px 28px;
  flex: 1;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.page-header h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary-navy);
}

.page-header p {
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 4px;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
  background: var(--accent-blue);
  color: white;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 12px rgba(7, 137, 255, 0.25);
  transform: translateY(-1px);
}

.btn-secondary {
  background: #e2e8f0;
  color: var(--text-main);
}

.btn-secondary:hover {
  background: #cbd5e1;
  box-shadow: none;
}

.btn-danger {
  background: var(--danger);
}

.btn-danger:hover {
  background: #d32f2f;
}

.btn-success {
  background: var(--success);
}

.btn-success:hover {
  background: #068647;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

/* CARDS & PANELS */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: 20px;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 700;
  font-size: 15px;
  color: var(--primary-navy);
}

.card-body {
  padding: 20px;
}

/* BADGES & STATUS TAGS */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
  text-transform: capitalize;
}

.badge-in-transit, .badge-transit { background: var(--light-blue); color: var(--accent-blue); }
.badge-delivered { background: var(--success-light); color: var(--success); }
.badge-picked-up, .badge-available { background: var(--success-light); color: var(--success); }
.badge-delayed, .badge-inactive { background: var(--danger-light); color: var(--danger); }
.badge-booked, .badge-pending { background: var(--warning-light); color: #d97706; }
.badge-confirmed { background: var(--info-light); color: var(--info); }
.badge-maintenance { background: #fff0c7; color: #d68700; }

/* TOAST NOTIFICATIONS */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  min-width: 280px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: white;
  color: var(--text-main);
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
  display: flex;
  align-items: center;
  gap: 12px;
  border-left: 4px solid var(--accent-blue);
  animation: slideIn 0.3s ease forwards;
}

.toast.success { border-left-color: var(--success); }
.toast.danger { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }

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

/* MODAL DIALOGS */
.modal-backdrop {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(3, 27, 57, 0.6);
  backdrop-filter: blur(3px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  background: white;
  width: 90%;
  max-width: 620px;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0,0,0,0.2);
  overflow: hidden;
  transform: translateY(20px);
  transition: transform 0.2s ease;
}

.modal-backdrop.active .modal-dialog {
  transform: translateY(0);
}

.modal-header {
  padding: 18px 24px;
  background: var(--primary-navy);
  color: white;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 { font-size: 16px; font-weight: 700; }
.modal-close { background: none; border: none; color: white; font-size: 20px; cursor: pointer; }

.modal-body { padding: 24px; max-height: 75vh; overflow-y: auto; }
.modal-footer { padding: 16px 24px; background: #f8fafc; border-top: 1px solid var(--border-color); display: flex; justify-content: flex-end; gap: 12px; }

/* MOBILE HAMBURGER & BACKDROP OVERLAY */
.mobile-toggle-btn {
  display: none;
  background: #f0f5fb;
  border: 1px solid var(--border-color);
  font-size: 22px;
  color: var(--primary-navy);
  cursor: pointer;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  margin-right: 12px;
  align-items: center;
  justify-content: center;
  touch-action: manipulation;
}

.mobile-toggle-btn:active {
  background: var(--light-blue);
}

.sidebar-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(3, 27, 57, 0.55);
  backdrop-filter: blur(2px);
  z-index: 140;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.sidebar-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* Touch Friendly Utilities */
.btn, .menu a, .form-control, .form-select, .btn-icon {
  touch-action: manipulation;
}

.topbar-left {
  display: flex;
  align-items: center;
}