/**
 * Warmtelijn Site-Wide Styles
 * Layout, containers, and structural styles
 */

/* ===== Layout Structure ===== */
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: var(--wl-container-xl);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--wl-space-4);
    padding-right: var(--wl-space-4);
}

.container-sm {
    max-width: var(--wl-container-sm);
}

.container-md {
    max-width: var(--wl-container-md);
}

.container-lg {
    max-width: var(--wl-container-lg);
}

.container-fluid {
    max-width: 100%;
}

@media (min-width: 768px) {
    .container {
        padding-left: var(--wl-space-6);
        padding-right: var(--wl-space-6);
    }
}

/* ===== Sections ===== */
/* Only apply to modules inside main, not topbar/footer */
main section,
main [data-module] {
    padding-top: var(--wl-space-12);
    padding-bottom: var(--wl-space-12);
}

@media (min-width: 768px) {
    main section,
    main [data-module] {
        padding-top: var(--wl-space-16);
        padding-bottom: var(--wl-space-16);
    }
}

/* Alternate section backgrounds - only inside main */
main section:nth-of-type(even),
main [data-module]:nth-of-type(even) {
    background-color: var(--wl-surface);
}

main section:nth-of-type(odd),
main [data-module]:nth-of-type(odd) {
    background-color: var(--wl-bg);
}

/* Section headers */
.section-header {
    text-align: center;
    margin-bottom: var(--wl-space-10);
}

.section-header h2 {
    margin-bottom: var(--wl-space-3);
}

.section-header p {
    font-size: var(--wl-text-lg);
    color: var(--wl-text-muted);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-header .section__subtitle {
    font-size: var(--wl-text-lg);
    color: var(--wl-text-muted);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--wl-space-4);
}

/* ===== Grid System ===== */
.grid {
    display: grid;
    gap: var(--wl-space-6);
}

.grid-2 {
    grid-template-columns: repeat(1, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(1, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 640px) {
    .grid-2,
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ===== Cards ===== */
.card {
    background-color: var(--wl-surface);
    border-radius: var(--wl-radius-lg);
    box-shadow: var(--wl-shadow);
    padding: var(--wl-space-6);
    transition: box-shadow var(--wl-transition), transform var(--wl-transition);
}

.card:hover {
    box-shadow: var(--wl-shadow-md);
}

.card-clickable:hover {
    transform: translateY(-2px);
    cursor: pointer;
}

.card-header {
    margin-bottom: var(--wl-space-4);
}

.card-title {
    font-size: var(--wl-text-xl);
    margin-bottom: var(--wl-space-2);
}

.card-description {
    color: var(--wl-text-muted);
    font-size: var(--wl-text-sm);
}

.card-body {
    margin-bottom: var(--wl-space-4);
}

.card-footer {
    padding-top: var(--wl-space-4);
    border-top: 1px solid var(--wl-border);
}

/* ===== Form Groups ===== */
.form-group {
    margin-bottom: var(--wl-space-5);
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-row {
    display: grid;
    gap: var(--wl-space-4);
}

@media (min-width: 640px) {
    .form-row-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .form-row-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

.form-helper {
    font-size: var(--wl-text-sm);
    color: var(--wl-text-muted);
    margin-top: var(--wl-space-1);
}

.form-error {
    font-size: var(--wl-text-sm);
    color: var(--wl-error);
    margin-top: var(--wl-space-1);
}

/* ===== Badges ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--wl-space-1) var(--wl-space-3);
    font-size: var(--wl-text-xs);
    font-weight: var(--wl-font-medium);
    border-radius: var(--wl-radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-primary {
    background-color: var(--wl-secondary-light);
    color: var(--wl-primary);
}

.badge-success {
    background-color: var(--wl-success-light);
    color: var(--wl-success-dark);
}

.badge-warning {
    background-color: var(--wl-warning-light);
    color: var(--wl-warning-dark);
}

.badge-accent {
    background-color: var(--wl-accent-light);
    color: var(--wl-accent-hover);
}

/* ===== Alerts ===== */
.alert {
    padding: var(--wl-space-4);
    border-radius: var(--wl-radius);
    margin-bottom: var(--wl-space-4);
}

.alert-success {
    background-color: rgba(56, 161, 105, 0.1);
    border: 1px solid var(--wl-success);
    color: var(--wl-success-dark);
}

.alert-error {
    background-color: rgba(229, 62, 62, 0.1);
    border: 1px solid var(--wl-error);
    color: var(--wl-error-dark);
}

.alert-warning {
    background-color: rgba(214, 158, 46, 0.1);
    border: 1px solid var(--wl-warning);
    color: var(--wl-warning-dark);
}

.alert-info {
    background-color: rgba(49, 130, 206, 0.1);
    border: 1px solid var(--wl-secondary);
    color: var(--wl-primary);
}

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

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--wl-border);
    border-top-color: var(--wl-secondary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ===== Skeleton Loading ===== */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--wl-border) 25%,
        var(--wl-bg) 50%,
        var(--wl-border) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--wl-radius-sm);
}

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

/* ===== Float Image (for wat-wij-doen) ===== */
.float-right-image {
    float: right;
    margin-left: var(--wl-space-6);
    margin-bottom: var(--wl-space-4);
    max-width: 45%;
    border-radius: var(--wl-radius-lg);
}

@media (max-width: 768px) {
    .float-right-image {
        float: none;
        margin-left: 0;
        margin-bottom: var(--wl-space-6);
        max-width: 100%;
    }
}

/* Clear floats */
.clearfix::after {
    content: '';
    display: table;
    clear: both;
}

/* ===== Page Loading Overlay (for DOM router) ===== */
.page-loading-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--wl-z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.page-loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.page-loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--wl-space-4);
}

.page-loading-spinner .spinner {
    width: 40px;
    height: 40px;
    border-width: 3px;
    border-color: var(--wl-border);
    border-top-color: var(--wl-secondary);
}

.page-loading-spinner span {
    font-size: var(--wl-text-sm);
    color: var(--wl-text-muted);
}

/* ===== Responsive Utilities ===== */
@media (max-width: 639px) {
    .hide-sm {
        display: none !important;
    }
}

@media (max-width: 767px) {
    .hide-md {
        display: none !important;
    }
}

@media (min-width: 768px) {
    .show-md {
        display: none !important;
    }
}

@media (min-width: 640px) {
    .show-sm {
        display: none !important;
    }
}