/* ==============================
   ANKARCHAIN - THE LOGISTICS OPERATING SYSTEM
   Brand Colors & Typography
   ============================== */

:root {
  --primary: #086bcf;        /* Azul confianza */
  --accent: #00C1B5;         /* Verde turquesa innovación */
  --neutral-light: #f8f9fa;  /* Gris claro moderno */
  --neutral-white: #ffffff;
  --text-dark: #2d3748;
  --text-light: #718096;
  --border-color: #e2e8f0;
  --shadow: 0 2px 4px rgba(0,0,0,0.05);
}

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

body {
  font-family: 'Inter', 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background-color: var(--neutral-light);
  color: var(--text-dark);
  line-height: 1.6;
}

/* ======== HEADER & NAVBAR ======== */
.main-header {
  background-color: var(--neutral-white) !important;
  border-bottom: 1px solid var(--border-color) !important;
  box-shadow: var(--shadow);
}

.main-header .navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary) !important;
}

.main-header .nav-link {
  color: var(--text-dark) !important;
}

.main-header .nav-link:hover {
  color: var(--primary) !important;
}

/* ======== SIDEBAR ======== */
.main-sidebar {
  background-color: var(--neutral-white) !important;
  border-right: 1px solid var(--border-color) !important;
  box-shadow: 2px 0 4px rgba(0,0,0,0.05);
}

.main-sidebar .brand-link {
  background-color: var(--neutral-white) !important;
  border-bottom: 1px solid var(--border-color) !important;
  height: 60px;
}

.main-sidebar .brand-link img {
  width: 40px;
  height: 40px;
  margin-right: 10px;
}

.main-sidebar .brand-link .brand-text {
  font-weight: 700;
  color: var(--primary) !important;
  font-size: 1.2rem;
}

.main-sidebar .nav-sidebar .nav-item > .nav-link {
  color: var(--text-dark) !important;
  border-left: 3px solid transparent;
}

.main-sidebar .nav-sidebar .nav-item > .nav-link:hover,
.main-sidebar .nav-sidebar .nav-item.menu-open > .nav-link {
  background-color: rgba(8, 107, 207, 0.05) !important;
  color: var(--primary) !important;
  border-left: 3px solid var(--primary) !important;
}

.main-sidebar .nav-sidebar .nav-item > .nav-link.active {
  background-color: rgba(8, 107, 207, 0.1) !important;
  color: var(--primary) !important;
  border-left: 3px solid var(--primary) !important;
}

/* ======== BUTTONS ======== */
.btn-primary {
  background-color: var(--primary) !important;
  border-color: var(--primary) !important;
  font-weight: 600;
}

.btn-primary:hover {
  background-color: #075aa5 !important;
  border-color: #075aa5 !important;
}

.btn-accent {
  background-color: var(--accent) !important;
  border-color: var(--accent) !important;
  font-weight: 600;
}

.btn-accent:hover {
  background-color: #00a89c !important;
  border-color: #00a89c !important;
}

/* ======== CARDS & PANELS ======== */
.card {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-header {
  background-color: var(--neutral-white) !important;
  border-bottom: 1px solid var(--border-color) !important;
  font-weight: 600;
  padding: 1rem 1.25rem;
}

.card-body {
  padding: 1.25rem;
}

/* ======== FORMS ======== */
.form-control {
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(8, 107, 207, 0.1);
}

.input-group-text {
  background-color: var(--neutral-white);
  border: 1px solid var(--border-color);
  border-radius: 6px 0 0 6px;
}

/* ======== TABLES ======== */
.table th {
  background-color: var(--neutral-white);
  font-weight: 600;
  border-top: 2px solid var(--border-color);
}

.table td,
.table th {
  vertical-align: middle;
  padding: 0.75rem;
}

.table-hover tbody tr:hover {
  background-color: rgba(8, 107, 207, 0.03);
}

/* ======== LOGIN PAGE ======== */
.login-page .login-box {
  background-color: var(--neutral-white);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.login-page .card-header {
  background-color: var(--neutral-white);
  border-bottom: 1px solid var(--border-color);
  text-align: center;
  padding: 1rem;
}

.login-page .card-header .h3 {
  color: var(--primary);
  font-weight: 700;
}

.login-page .btn-primary {
  width: 100%;
  margin-top: 1rem;
  font-weight: 600;
}

/* ======== MESSAGES & ALERTS ======== */
.alert {
  border-radius: 6px;
  font-weight: 500;
}

.alert-success {
  background-color: rgba(0, 193, 181, 0.1);
  border-color: var(--accent);
  color: #008c7b;
}

.alert-danger {
  background-color: rgba(248, 215, 218, 0.8);
  border-color: #f5c6cb;
  color: #721c24;
}

/* ======== TYPOGRAPHY ======== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--text-dark);
}

p, li, label {
  color: var(--text-dark);
  font-weight: 400;
}

/* ======== LINKS ======== */
a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  color: var(--primary);
  text-decoration: underline;
}

/* ======== FOOTER ======== */
.footer {
  background-color: var(--neutral-white);
  border-top: 1px solid var(--border-color);
  padding: 1rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-light);
}

/* ======== RESPONSIVE ======== */
@media (max-width: 768px) {
  .login-box {
    margin: 10% auto;
    width: 90%;
  }
}