/* ============================================================
   TrafficTech — Global Design System
   Φορτώνεται σε όλες τις σελίδες μέσω base.html
   Palette: Professional Grey + Orange
   ============================================================ */

/* ── CSS Variables ── */
:root {
  /* Grey Scale */
  --tt-grey-950: #0f0f0f;
  --tt-grey-900: #1c1c1c;
  --tt-grey-800: #2d2d2d;
  --tt-grey-750: #363636;
  --tt-grey-700: #3f3f3f;
  --tt-grey-600: #555555;
  --tt-grey-500: #757575;
  --tt-grey-400: #9e9e9e;
  --tt-grey-300: #c4c4c4;
  --tt-grey-200: #e0e0e0;
  --tt-grey-150: #eeeeee;
  --tt-grey-100: #f5f5f5;
  --tt-grey-50:  #fafafa;

  /* Orange */
  --tt-orange:        #e8680a;
  --tt-orange-hover:  #c95a07;
  --tt-orange-light:  #fff3e8;
  --tt-orange-dim:    rgba(232, 104, 10, 0.12);

  /* Feedback */
  --tt-success: #2e7d32;
  --tt-success-light: #e8f5e9;
  --tt-danger:  #c62828;
  --tt-danger-light: #fdecea;
  --tt-warning: #f57f17;
  --tt-warning-light: #fffde7;
  --tt-info:    #0277bd;
  --tt-info-light: #e1f5fe;

  /* White */
  --tt-white: #ffffff;

  /* Shadows */
  --tt-shadow-xs: 0 1px 2px rgba(0,0,0,0.08);
  --tt-shadow-sm: 0 1px 4px rgba(0,0,0,0.12);
  --tt-shadow-md: 0 3px 12px rgba(0,0,0,0.14);
  --tt-shadow-lg: 0 6px 24px rgba(0,0,0,0.18);
  --tt-shadow-xl: 0 10px 40px rgba(0,0,0,0.24);

  /* Radii */
  --tt-r-xs: 2px;
  --tt-r-sm: 4px;
  --tt-r-md: 8px;
  --tt-r-lg: 12px;
  --tt-r-xl: 20px;
  --tt-r-pill: 999px;

  /* Typography */
  --tt-font: 'Poppins', 'Segoe UI', -apple-system, sans-serif;
  --tt-font-size-xs: 11px;
  --tt-font-size-sm: 12px;
  --tt-font-size-base: 14px;
  --tt-font-size-md: 15px;
  --tt-font-size-lg: 18px;
  --tt-font-size-xl: 22px;

  /* Transition */
  --tt-transition: 0.2s ease;
  --tt-transition-slow: 0.4s ease;
}

/* ── Global Reset ── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--tt-font) !important;
  font-size: var(--tt-font-size-base) !important;
  color: var(--tt-grey-700) !important;
  background: var(--tt-grey-100) !important;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--tt-font) !important;
  font-weight: 600;
  color: var(--tt-grey-800);
  line-height: 1.35;
  margin-bottom: 0.5rem;
}

h1 { font-size: 24px; }
h2 { font-size: 20px; }
h3 { font-size: 17px; }
h4 { font-size: 15px; }
h5 { font-size: 14px; }
h6 { font-size: 13px; }

p { font-size: 14px; color: var(--tt-grey-600); }

a {
  color: var(--tt-orange);
  text-decoration: none;
  transition: color var(--tt-transition);
}
a:hover, a:focus { color: var(--tt-orange-hover); text-decoration: none; }

/* ── Page Sections ── */
.page-header {
  padding: 20px 28px 16px;
  border-bottom: 1px solid var(--tt-grey-200);
  background: var(--tt-white);
  margin-bottom: 24px;
}

.page-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--tt-grey-800);
  letter-spacing: -0.3px;
}

.page-subtitle {
  font-size: 13px;
  color: var(--tt-grey-500);
  margin: 0;
}

/* ── Section Card ── */
.tt-card {
  background: var(--tt-white);
  border-radius: var(--tt-r-md);
  border: 1px solid var(--tt-grey-200);
  box-shadow: var(--tt-shadow-sm);
  margin-bottom: 20px;
  overflow: hidden;
}

.tt-card-header {
  padding: 14px 20px;
  background: var(--tt-grey-700);
  color: var(--tt-white);
  border-bottom: 2px solid var(--tt-orange);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.2px;
}

.tt-card-body { padding: 20px; }

/* ── Buttons ── */

/* Reset Bootstrap defaults */
.btn {
  font-family: var(--tt-font) !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  border-radius: var(--tt-r-sm) !important;
  padding: 8px 18px !important;
  border: none !important;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: background var(--tt-transition), box-shadow var(--tt-transition), transform var(--tt-transition) !important;
  outline: none !important;
  box-shadow: none;
  line-height: 1.4;
  text-decoration: none !important;
  white-space: nowrap;
}

.btn:focus { outline: none !important; box-shadow: none !important; }

/* Primary — Orange (main CTA) */
.btn-primary,
.btn-orange {
  background: var(--tt-orange) !important;
  color: var(--tt-white) !important;
  border-color: var(--tt-orange) !important;
  box-shadow: 0 2px 8px rgba(232,104,10,0.28) !important;
}

.btn-primary:hover,
.btn-orange:hover {
  background: var(--tt-orange-hover) !important;
  box-shadow: 0 4px 14px rgba(232,104,10,0.38) !important;
  transform: translateY(-1px);
  color: var(--tt-white) !important;
}

.btn-primary:active,
.btn-orange:active {
  transform: translateY(0) !important;
  box-shadow: 0 1px 4px rgba(232,104,10,0.25) !important;
}

/* Secondary — Grey */
.btn-secondary,
.btn-grey {
  background: var(--tt-grey-600) !important;
  color: var(--tt-white) !important;
  border-color: var(--tt-grey-600) !important;
  box-shadow: var(--tt-shadow-xs) !important;
}

.btn-secondary:hover,
.btn-grey:hover {
  background: var(--tt-grey-700) !important;
  color: var(--tt-white) !important;
  box-shadow: var(--tt-shadow-sm) !important;
}

/* Outline — Orange */
.btn-outline-orange,
.btn-outline-primary {
  background: transparent !important;
  color: var(--tt-orange) !important;
  border: 1.5px solid var(--tt-orange) !important;
}

.btn-outline-orange:hover,
.btn-outline-primary:hover {
  background: var(--tt-orange) !important;
  color: var(--tt-white) !important;
}

/* Outline — Grey */
.btn-outline-secondary {
  background: transparent !important;
  color: var(--tt-grey-600) !important;
  border: 1.5px solid var(--tt-grey-300) !important;
}

.btn-outline-secondary:hover {
  background: var(--tt-grey-100) !important;
  border-color: var(--tt-grey-500) !important;
}

/* Danger */
.btn-danger {
  background: var(--tt-danger) !important;
  color: var(--tt-white) !important;
  border-color: var(--tt-danger) !important;
}

.btn-danger:hover {
  background: #a52020 !important;
  color: var(--tt-white) !important;
}

/* Success */
.btn-success {
  background: var(--tt-success) !important;
  color: var(--tt-white) !important;
  border-color: var(--tt-success) !important;
}

/* Light */
.btn-light {
  background: var(--tt-white) !important;
  color: var(--tt-grey-700) !important;
  border: 1.5px solid var(--tt-grey-200) !important;
}

.btn-light:hover {
  background: var(--tt-grey-100) !important;
  border-color: var(--tt-grey-300) !important;
}

/* Button sizes */
.btn-sm { padding: 5px 12px !important; font-size: 12px !important; }
.btn-lg { padding: 12px 28px !important; font-size: 15px !important; }
.btn-block { width: 100% !important; display: flex !important; }

/* ── Form Controls ── */
.form-control,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="search"],
input[type="tel"],
textarea,
select {
  font-family: var(--tt-font) !important;
  font-size: 13px !important;
  color: var(--tt-grey-800) !important;
  background: var(--tt-grey-50) !important;
  border: 1.5px solid var(--tt-grey-200) !important;
  border-radius: var(--tt-r-sm) !important;
  padding: 9px 12px !important;
  height: auto !important;
  min-height: 40px;
  transition: border-color var(--tt-transition), box-shadow var(--tt-transition), background var(--tt-transition) !important;
  outline: none !important;
  box-shadow: none !important;
  width: 100%;
  box-sizing: border-box;
}

.form-control:hover,
input[type="text"]:hover,
input[type="email"]:hover,
input[type="password"]:hover,
select:hover {
  border-color: var(--tt-grey-400) !important;
}

.form-control:focus,
input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
input[type="search"]:focus,
input[type="tel"]:focus,
textarea:focus,
select:focus {
  background: var(--tt-white) !important;
  border-color: var(--tt-orange) !important;
  box-shadow: 0 0 0 3px var(--tt-orange-dim) !important;
  outline: none !important;
}

.form-control:disabled,
input:disabled,
select:disabled {
  background: var(--tt-grey-150) !important;
  color: var(--tt-grey-400) !important;
  cursor: not-allowed;
}

::placeholder { color: var(--tt-grey-300) !important; font-weight: 300; }

/* Labels */
label,
.form-label {
  font-size: 12px !important;
  font-weight: 600 !important;
  color: var(--tt-grey-500) !important;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 4px;
  display: block;
}

/* Form group spacing */
.form-group { margin-bottom: 18px !important; }

/* Select custom arrow */
select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%239e9e9e' d='M1 1l5 5 5-5'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: right 12px center !important;
  padding-right: 36px !important;
}

/* ── Tables ── */
.table {
  font-family: var(--tt-font) !important;
  font-size: 13px !important;
  border-collapse: collapse !important;
  width: 100%;
}

.table thead th {
  background: var(--tt-grey-50) !important;
  color: var(--tt-grey-600) !important;
  font-size: 11px !important;
  font-weight: 700 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.6px !important;
  border-bottom: 2px solid var(--tt-grey-200) !important;
  padding: 11px 14px !important;
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 1;
}

.table tbody td {
  padding: 9px 14px !important;
  border-bottom: 1px solid var(--tt-grey-150) !important;
  color: var(--tt-grey-700) !important;
  vertical-align: middle !important;
  font-size: 13px !important;
  border-right: none !important;
  border-left: none !important;
  border-top: none !important;
}

.table tbody tr:hover td {
  background: var(--tt-orange-light) !important;
}

.table tbody tr:last-child td { border-bottom: none !important; }

.table-striped tbody tr:nth-of-type(odd) td {
  background: var(--tt-grey-50) !important;
}

.table-striped tbody tr:nth-of-type(odd):hover td {
  background: var(--tt-orange-light) !important;
}

/* Table wrapper */
.table-wrapper,
.table-responsive {
  background: var(--tt-white) !important;
  border-radius: var(--tt-r-md) !important;
  border: 1px solid var(--tt-grey-200) !important;
  box-shadow: var(--tt-shadow-md) !important;
  overflow: auto;
  margin-bottom: 24px;
}

/* ── Badges ── */
.badge {
  font-family: var(--tt-font) !important;
  font-size: 11px !important;
  font-weight: 600 !important;
  padding: 4px 9px !important;
  border-radius: var(--tt-r-pill) !important;
  letter-spacing: 0.3px;
  display: inline-flex;
  align-items: center;
}

.badge-orange, .badge-primary {
  background: var(--tt-orange-light) !important;
  color: var(--tt-orange) !important;
}

.badge-secondary {
  background: var(--tt-grey-150) !important;
  color: var(--tt-grey-600) !important;
}

.badge-success {
  background: var(--tt-success-light) !important;
  color: var(--tt-success) !important;
}

.badge-danger {
  background: var(--tt-danger-light) !important;
  color: var(--tt-danger) !important;
}

.badge-warning {
  background: var(--tt-warning-light) !important;
  color: var(--tt-warning) !important;
}

/* ── Alerts ── */
.alert {
  font-family: var(--tt-font) !important;
  border-radius: var(--tt-r-sm) !important;
  border: none !important;
  padding: 12px 18px !important;
  font-size: 13px !important;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  border-left: 4px solid transparent !important;
}

.alert-success {
  background: var(--tt-success-light) !important;
  color: var(--tt-success) !important;
  border-left-color: var(--tt-success) !important;
}

.alert-danger {
  background: var(--tt-danger-light) !important;
  color: var(--tt-danger) !important;
  border-left-color: var(--tt-danger) !important;
}

.alert-warning {
  background: var(--tt-warning-light) !important;
  color: var(--tt-warning) !important;
  border-left-color: var(--tt-warning) !important;
}

.alert-info {
  background: var(--tt-info-light) !important;
  color: var(--tt-info) !important;
  border-left-color: var(--tt-info) !important;
}

/* ── Modals ── */
.modal-content {
  font-family: var(--tt-font) !important;
  border: none !important;
  border-radius: var(--tt-r-md) !important;
  box-shadow: var(--tt-shadow-xl) !important;
  overflow: hidden;
}

.modal-header {
  background: var(--tt-grey-800) !important;
  border-bottom: 2px solid var(--tt-orange) !important;
  padding: 18px 24px !important;
  border-radius: 0 !important;
}

.modal-title {
  color: var(--tt-white) !important;
  font-size: 15px !important;
  font-weight: 600 !important;
}

.modal-header .close {
  color: var(--tt-grey-300) !important;
  opacity: 1 !important;
  font-size: 22px;
}

.modal-header .close:hover { color: var(--tt-white) !important; }

.modal-body {
  padding: 24px !important;
  background: var(--tt-white) !important;
}

.modal-footer {
  background: var(--tt-grey-50) !important;
  border-top: 1px solid var(--tt-grey-200) !important;
  padding: 14px 24px !important;
}

/* ── Sidebar (universal) ── */
#sidebar,
.sidebar {
  background: var(--tt-grey-800) !important;
  font-family: var(--tt-font) !important;
}

#sidebar .sidebar-header,
.sidebar .logo-details {
  background: var(--tt-grey-900) !important;
  border-bottom: 1px solid rgba(255,255,255,0.07) !important;
}

/* Sidebar links */
#sidebar ul li a,
.sidebar ul li a,
.sidebar li a {
  color: var(--tt-grey-300) !important;
  background: transparent !important;
  font-size: 14px !important;
  font-family: var(--tt-font) !important;
  transition: background var(--tt-transition), color var(--tt-transition), border-left var(--tt-transition) !important;
  border-left: 3px solid transparent;
}

#sidebar ul li a:hover,
.sidebar ul li a:hover,
.sidebar li a:hover {
  background: rgba(255,255,255,0.08) !important;
  color: var(--tt-white) !important;
  border-left-color: var(--tt-orange) !important;
}

#sidebar ul li a:hover i,
.sidebar ul li a:hover i,
.sidebar li a:hover i,
.sidebar li a:hover span {
  color: var(--tt-orange) !important;
}

/* Active sidebar link */
#sidebar ul li.active > a,
.sidebar li.active > a {
  background: rgba(232,104,10,0.15) !important;
  color: var(--tt-white) !important;
  border-left-color: var(--tt-orange) !important;
}

#sidebar ul li.active > a i,
.sidebar li.active > a i {
  color: var(--tt-orange) !important;
}

/* Sidebar submenu hover */
#sidebar ul.menu li a:hover,
.sidebar .collapse li a:hover {
  color: var(--tt-orange) !important;
  background: rgba(232,104,10,0.08) !important;
}

/* Profile bottom */
.sidebar li.profile,
.sidebar .profile {
  background: var(--tt-grey-900) !important;
  border-top: 1px solid rgba(255,255,255,0.07) !important;
}

/* ── Top Navbar ── */
.top-navbar,
.navbar {
  background: var(--tt-grey-800) !important;
  font-family: var(--tt-font) !important;
}

/* ── Breadcrumb ── */
.breadcrumb {
  background: transparent !important;
  padding: 4px 0 !important;
  margin: 0 !important;
}

.breadcrumb-item { font-size: 12px !important; }
.breadcrumb-item a { color: var(--tt-grey-400) !important; }
.breadcrumb-item.active { color: var(--tt-grey-300) !important; }
.breadcrumb-item + .breadcrumb-item::before { color: var(--tt-grey-500) !important; }

/* ── Pagination ── */
.pagination .page-link {
  font-family: var(--tt-font) !important;
  font-size: 13px !important;
  color: var(--tt-grey-600) !important;
  border-color: var(--tt-grey-200) !important;
  border-radius: var(--tt-r-sm) !important;
  margin: 0 2px;
  transition: background var(--tt-transition), color var(--tt-transition) !important;
}

.pagination .page-link:hover {
  background: var(--tt-orange-light) !important;
  color: var(--tt-orange) !important;
  border-color: var(--tt-orange) !important;
}

.pagination .page-item.active .page-link {
  background: var(--tt-orange) !important;
  border-color: var(--tt-orange) !important;
  color: var(--tt-white) !important;
}

/* ── Status/Flash Row Animations ── */
@keyframes tt-flash-red {
  0%, 100% { background: rgba(198, 40, 40, 0.12); }
  50% { background: transparent; }
}

@keyframes tt-flash-yellow {
  0%, 100% { background: rgba(245, 127, 23, 0.12); }
  50% { background: transparent; }
}

.flash-red { animation: tt-flash-red 4s ease-in-out infinite !important; }
.flash-yellow { animation: tt-flash-yellow 4s ease-in-out infinite !important; }

/* ── Spinner / Loading ── */
.traffic-light-spinner {
  background: var(--tt-grey-900) !important;
  border: 1px solid var(--tt-grey-700) !important;
  border-radius: var(--tt-r-lg) !important;
  box-shadow: var(--tt-shadow-lg) !important;
}

/* ── Scrollbars (webkit) ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--tt-grey-100); border-radius: 4px; }
::-webkit-scrollbar-thumb { background: var(--tt-grey-300); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--tt-grey-400); }

/* ── Utility Classes ── */
.text-orange { color: var(--tt-orange) !important; }
.text-grey   { color: var(--tt-grey-500) !important; }
.text-dark   { color: var(--tt-grey-800) !important; }
.text-muted  { color: var(--tt-grey-400) !important; font-size: 12px; }
.text-xs     { font-size: 11px !important; }
.text-sm     { font-size: 12px !important; }
.text-md     { font-size: 15px !important; }
.fw-600      { font-weight: 600 !important; }
.fw-700      { font-weight: 700 !important; }
.bg-orange   { background: var(--tt-orange) !important; }
.bg-dark-grey { background: var(--tt-grey-800) !important; }
.border-orange { border-color: var(--tt-orange) !important; }

/* Divider */
.tt-divider {
  height: 1px;
  background: var(--tt-grey-200);
  margin: 16px 0;
  border: none;
}

/* Section heading with accent */
.tt-section-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--tt-grey-600);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--tt-orange);
  display: inline-block;
  margin-bottom: 16px;
}

/* Stat card */
.tt-stat-card {
  background: var(--tt-white);
  border-radius: var(--tt-r-md);
  border: 1px solid var(--tt-grey-200);
  padding: 20px;
  box-shadow: var(--tt-shadow-sm);
  position: relative;
  overflow: hidden;
}

.tt-stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px;
  height: 100%;
  background: var(--tt-orange);
  border-radius: var(--tt-r-sm) 0 0 var(--tt-r-sm);
}

.tt-stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--tt-grey-800);
  line-height: 1;
}

.tt-stat-label {
  font-size: 12px;
  color: var(--tt-grey-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 6px;
}

/* Responsive */
@media (max-width: 768px) {
  .table thead th { font-size: 10px !important; padding: 8px 10px !important; }
  .table tbody td { font-size: 11px !important; padding: 7px 10px !important; }
  h1 { font-size: 20px; }
  h2 { font-size: 17px; }
  h3 { font-size: 15px; }
}