:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #adb5bd;
    --border-color: #495057;
    --card-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #adb5bd;
    --border-color: #495057;
    --card-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.3);
}

[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --border-color: #dee2e6;
    --card-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

body {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.card {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.navbar {
    background-color: var(--bg-primary) !important;
    border-color: var(--border-color) !important;
}

.navbar-brand,
.navbar-brand *,
.nav-link {
    color: var(--text-primary) !important;
}

.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
}

.meal-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
    border-left: 4px solid transparent;
}

.meal-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
    border-left-color: #0d6efd;
}

.meal-day {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.meal-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0.5rem 0;
    color: var(--text-primary);
}

.meal-ingredients {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.ingredient-badge {
    background-color: var(--bg-secondary);
    border-radius: 0.25rem;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Skeleton Loaders */
.skeleton-loader {
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.skeleton {
    background: linear-gradient(90deg, #2d2d2d 25%, #3d3d3d 50%, #2d2d2d 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
    border-radius: 0.25rem;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton-text-sm {
    height: 0.75rem;
}

.skeleton-circle {
    border-radius: 50%;
}

/* History List */
.history-item {
    transition: all 0.2s ease;
    cursor: pointer;
    background-color: var(--bg-primary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.history-item:hover {
    background-color: var(--bg-secondary);
}

.history-date {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.history-meals {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Card Headers */
.card-header {
    background-color: var(--bg-secondary) !important;
    border-color: var(--border-color) !important;
    color: var(--text-primary);
}

.list-group-item {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.modal-content {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.modal-header,
.modal-footer {
    border-color: var(--border-color);
}

.btn-close {
    filter: invert(1);
}

.form-text {
    color: var(--text-secondary) !important;
}

a:not(.btn) {
    color: #6ea8fe;
}

a:not(.btn):hover {
    color: #9ec5fe;
}

.text-muted {
    color: var(--text-secondary) !important;
}

/* Preferences Page */
.form-label {
    font-weight: 500;
    color: var(--text-primary);
}

.form-control,
.form-select {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.form-control:focus,
.form-select:focus {
    background-color: var(--bg-secondary);
    border-color: #86b7fe;
    color: var(--text-primary);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.form-control::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

/* Buttons */
.btn {
    color: var(--text-primary);
}

.btn-outline-primary {
    color: #6ea8fe;
    border-color: #6ea8fe;
}

.btn-outline-primary:hover {
    background-color: #6ea8fe;
    color: #000;
}

/* Alerts */
.alert-success {
    background-color: #1e4620;
    border-color: #2d5f2e;
    color: #a3cfbb;
}

.alert-danger {
    background-color: #4b1e1e;
    border-color: #5f2d2d;
    color: #f1aeb5;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
}

/* Lead text */
.lead {
    color: var(--text-primary);
}

/* Responsive */
@media (max-width: 991px) {
    .col-lg-3,
    .col-lg-6 {
        margin-bottom: 1rem;
    }
}

/* Login page styles */
.bg-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
}

.btn-outline-dark {
    border-width: 2px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-outline-dark:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Smooth Transitions */
* {
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

button,
a,
.btn {
    transition: all 0.2s ease;
}

/* Preferences page - Tag input styles */
.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    min-height: 40px;
    padding: 0.5rem;
    border: 1px solid #dee2e6;
    border-radius: 0.375rem;
    background-color: #f8f9fa;
}

.tag-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
    background-color: #0d6efd;
    color: white;
    border-radius: 1rem;
    font-size: 0.875rem;
}

.tag-item button {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 0;
    font-size: 1rem;
    line-height: 1;
}

.tag-item button:hover {
    opacity: 0.8;
}