/* Custom CSS for Notes App */

:root {
  --primary-color: #0d6efd;
  --secondary-color: #6c757d;
  --success-color: #198754;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --info-color: #0dcaf0;
  --light-color: #f8f9fa;
  --dark-color: #212529;
  --border-radius: 0.375rem;
  --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --box-shadow-lg: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* General Styling */
body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f5f6fa;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
}

/* Navigation */
.navbar {
  box-shadow: var(--box-shadow);
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    #0056b3 100%
  ) !important;
}

.navbar-brand {
  font-weight: 600;
  font-size: 1.25rem;
}

.navbar-nav .nav-link {
  font-weight: 500;
  transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
  transform: translateY(-1px);
  color: rgba(255, 255, 255, 0.9) !important;
}

/* Cards */
.card {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: all 0.3s ease;
  background: white;
}

.card:hover {
  box-shadow: var(--box-shadow-lg);
  transform: translateY(-2px);
}

.card-header {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border-bottom: 1px solid #dee2e6;
  font-weight: 600;
}

/* Buttons */
.btn {
  border-radius: var(--border-radius);
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--box-shadow);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
  border: none;
}

.btn-success {
  background: linear-gradient(135deg, var(--success-color) 0%, #146c43 100%);
  border: none;
}

.btn-warning {
  background: linear-gradient(135deg, var(--warning-color) 0%, #e0a800 100%);
  border: none;
  color: #000;
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger-color) 0%, #b02a37 100%);
  border: none;
}

/* Forms */
.form-control,
.form-select {
  border-radius: var(--border-radius);
  border: 1px solid #dee2e6;
  transition: all 0.3s ease;
  background: white;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.form-label {
  font-weight: 600;
  color: var(--dark-color);
  margin-bottom: 0.5rem;
}

/* Note Content */
.note-content {
  font-size: 1.05rem;
  line-height: 1.7;
  color: #2c3e50;
  background: #f8f9fa;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
}

.note-meta {
  background: #f1f3f4;
  padding: 1rem;
  border-radius: var(--border-radius);
  margin-top: 1rem;
}

/* Todo Items */
.todo-item {
  transition: all 0.3s ease;
}

.todo-item[data-status="completed"] .card {
  opacity: 0.8;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

/* Badges */
.badge {
  font-weight: 500;
  padding: 0.5em 0.8em;
  border-radius: 50px;
  font-size: 0.8rem;
}

/* Dashboard Statistics Cards */
.card.bg-primary,
.card.bg-success,
.card.bg-warning,
.card.bg-danger {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    #0056b3 100%
  ) !important;
  border: none;
  transition: all 0.3s ease;
}

.card.bg-success {
  background: linear-gradient(
    135deg,
    var(--success-color) 0%,
    #146c43 100%
  ) !important;
}

.card.bg-warning {
  background: linear-gradient(
    135deg,
    var(--warning-color) 0%,
    #e0a800 100%
  ) !important;
}

.card.bg-danger {
  background: linear-gradient(
    135deg,
    var(--danger-color) 0%,
    #b02a37 100%
  ) !important;
}

/* Empty State */
.text-center i.fa-5x {
  opacity: 0.3;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Alert Messages */
.alert {
  border: none;
  border-radius: var(--border-radius);
  font-weight: 500;
  box-shadow: var(--box-shadow);
  border-left: 4px solid;
}

.alert-success {
  background: linear-gradient(135deg, #d1e7dd 0%, #c3e6cb 100%);
  border-left-color: var(--success-color);
  color: #0f5132;
}

.alert-danger {
  background: linear-gradient(135deg, #f8d7da 0%, #f2b7bc 100%);
  border-left-color: var(--danger-color);
  color: #721c24;
}

/* Modal */
.modal-content {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow-lg);
}

.modal-header {
  border-bottom: 1px solid #dee2e6;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

/* Footer */
footer {
  margin-top: auto;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%) !important;
  color: var(--secondary-color);
  font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding-left: 15px;
    padding-right: 15px;
  }

  .display-4,
  .display-5 {
    font-size: 2rem;
  }

  .btn-group .btn {
    flex: 1;
    font-size: 0.9rem;
  }

  .card-body {
    padding: 1rem;
  }

  .navbar-brand {
    font-size: 1.1rem;
  }
}

/* Priority Colors */
.priority-high {
  background: linear-gradient(135deg, var(--danger-color) 0%, #b02a37 100%);
}

.priority-medium {
  background: linear-gradient(135deg, var(--warning-color) 0%, #e0a800 100%);
}

.priority-low {
  background: linear-gradient(135deg, var(--secondary-color) 0%, #5a6268 100%);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}

/* Loading Animation */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

/* Utility Classes */
.text-gradient {
  background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

.border-gradient {
  border: 2px solid;
  border-image: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%) 1;
}

/* Animation Classes */
.fade-in {
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-in {
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    transform: translateX(-20px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}