/* assets/style.css */

/* Modern & Elegant Design */
:root {
  --primary: #4a6fa5;
  --primary-dark: #3a5982;
  --secondary: #6c757d;
  --success: #28a745;
  --info: #17a2b8;
  --warning: #ffc107;
  --danger: #dc3545;
  --light: #f8f9fa;
  --dark: #343a40;
  --white: #ffffff;
  --body-bg: #f5f7fa;
  --card-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
  --transition: all 0.2s ease-in-out;
}

body {
  font-family: 'Roboto', 'Segoe UI', Arial, sans-serif;
  background-color: var(--body-bg);
  margin: 0;
  padding: 0;
  color: #495057;
  line-height: 1.6;
}

/* Navigation & Header */
.navbar {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
  font-weight: 600;
  letter-spacing: 0.5px;
}

.nav-link {
  font-weight: 500;
  position: relative;
  padding: 0.5rem 1rem !important;
}

.nav-link:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--white);
  transition: var(--transition);
  transform: translateX(-50%);
}

.nav-link:hover:after {
  width: 80%;
}

/* Container & Cards */
.container {
  max-width: 1200px;
}

main.container {
  padding-top: 2rem;
  padding-bottom: 2rem;
  min-height: calc(100vh - 160px);
}

.card {
  border: none;
  border-radius: 0.5rem;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  margin-bottom: 1.5rem;
}

.card:hover {
  box-shadow: 0 0.75rem 1.5rem rgba(0, 0, 0, 0.15);
  transform: translateY(-3px);
}

.card-header {
  background-color: rgba(0, 0, 0, 0.03);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  font-weight: 500;
}

/* Tables */
.table {
  margin-bottom: 0;
}

.table th {
  border-top: none;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.5px;
  color: var(--secondary);
  padding: 1rem;
}

.table td {
  vertical-align: middle;
  padding: 0.85rem 1rem;
}

/* DataTables */
.dataTables_wrapper .dataTables_filter input {
  border-radius: 20px;
  padding: 0.375rem 1rem;
  border: 1px solid #ced4da;
}

.dataTables_wrapper .dataTables_length select {
  border-radius: 20px;
  padding: 0.375rem 1rem;
  border: 1px solid #ced4da;
}

.dataTables_info, .dataTables_paginate {
  padding-top: 1rem !important;
}

.page-item.active .page-link {
  background-color: var(--primary);
  border-color: var(--primary);
}

/* Forms */
.form-control {
  border-radius: 0.3rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 0.2rem rgba(74, 111, 165, 0.25);
}

.form-label {
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.btn {
  border-radius: 0.3rem;
  padding: 0.5rem 1.5rem;
  font-weight: 500;
  letter-spacing: 0.3px;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--primary);
  border-color: var(--primary);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
}

/* Action links */
.action-links a {
  margin: 0 0.25rem;
  color: var(--secondary);
  transition: var(--transition);
}

.action-links a:hover {
  color: var(--primary);
}

/* Icons */
.bi {
  font-size: 1.2rem;
  vertical-align: text-bottom;
}

/* Modals */
.modal-content {
  border: none;
  border-radius: 0.5rem;
  box-shadow: var(--card-shadow);
}

.modal-header {
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.modal-footer {
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

/* Custom Badges & Pills */
.badge {
  font-weight: 500;
  padding: 0.4em 0.65em;
  border-radius: 30px;
}

/* Utilities */
.text-primary { color: var(--primary) !important; }
.bg-primary { background-color: var(--primary) !important; }
.border-primary { border-color: var(--primary) !important; }

/* Login/Register Pages */
.auth-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 80vh;
}

.auth-card {
  width: 100%;
  max-width: 450px;
  border-radius: 0.5rem;
  box-shadow: var(--card-shadow);
  padding: 2rem;
}

.auth-card .card-title {
  text-align: center;
  margin-bottom: 2rem;
  font-weight: 600;
  color: var(--primary);
}

/* Footer */
footer {
  padding: 1.5rem 0;
  background-color: var(--light);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  text-align: center;
  font-size: 0.9rem;
  color: var(--secondary);
}