/* ==========================================================================
   Component Library — ColdStorage Canada
   Reusable UI components used across all pages: buttons, cards, badges,
   forms, hero sections, stats bar, skeleton loaders, alerts, accordion,
   tabs, breadcrumb. All values reference design-system.css custom properties.
   Mobile-first; desktop styles applied at 768px and 1024px.
   ========================================================================== */


/* ==========================================================================
   BUTTONS
   Base .btn plus four style variants and three size variants.
   Compose like: <a class="btn btn-primary btn-lg">Click me</a>
   ========================================================================== */

/* .btn — base styles applied to every button */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    font-family: inherit;
    font-weight: var(--font-semibold);
    line-height: 1.2;
    border-radius: var(--radius-md);
    white-space: nowrap;
    text-decoration: none;
    transition: var(--transition-base);
    cursor: pointer;
    /* Default size = md */
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-base);
    border: 2px solid transparent;
}

/* .btn-primary — solid accent fill */
.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    color: var(--color-white);
    filter: brightness(0.9);
    outline: none;
}

/* .btn-secondary — outline that fills on hover */
.btn-secondary {
    background-color: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
    background-color: var(--color-accent);
    color: var(--color-white);
    outline: none;
}

/* .btn-ghost — text-only with underline on hover */
.btn-ghost {
    background-color: transparent;
    color: var(--color-accent);
    border-color: transparent;
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
    color: var(--color-secondary);
    text-decoration: underline;
    outline: none;
}

/* .btn-white — white fill for use on dark backgrounds */
.btn-white {
    background-color: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
}

.btn-white:hover,
.btn-white:focus-visible {
    color: var(--color-primary);
    filter: brightness(0.95);
    outline: none;
}

/* Size variants */
.btn-sm {
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-sm);
}

.btn-md {
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-base);
}

.btn-lg {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-lg);
}

/* Full-width modifier — useful for cards and mobile forms */
.btn-block {
    width: 100%;
}

/* Disabled state */
.btn:disabled,
.btn[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Loading state — text becomes invisible, spinner appears centered */
.btn.loading {
    color: transparent;
    pointer-events: none;
    position: relative;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1em;
    height: 1em;
    margin-top: -0.5em;
    margin-left: -0.5em;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: var(--radius-full);
    animation: btn-spin 0.7s linear infinite;
    color: var(--color-white);
}

/* Light buttons need a dark spinner so it's visible */
.btn-secondary.loading::after,
.btn-ghost.loading::after,
.btn-white.loading::after {
    color: var(--color-accent);
}

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

/* Focus visibility for keyboard users */
.btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}


/* ==========================================================================
   CARDS
   Base .card with hover lift, plus five specialised variants:
   service, listing, resource, stat, team.
   ========================================================================== */

/* .card — base */
.card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
}

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


/* --- card-service --- */
.card-service {
    padding: var(--space-4);
    gap: var(--space-2);
}

.card-service-icon {
    width: 48px;
    height: 48px;
    background-color: var(--color-accent-light);
    color: var(--color-accent);
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-1);
}

.card-service-icon svg {
    width: 24px;
    height: 24px;
}

.card-service-title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    line-height: var(--leading-tight);
    color: var(--color-neutral-900);
}

.card-service-description {
    color: var(--color-neutral-600);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    flex: 1;
}

.card-service-cta {
    margin-top: var(--space-2);
    align-self: flex-start;
    padding-left: 0;
    padding-right: 0;
}


/* --- card-listing --- */
.card-listing {
    padding: 0;
}

.card-listing-image-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background-color: var(--color-neutral-100);
}

.card-listing-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-slow);
}

.card-listing:hover .card-listing-image {
    transform: scale(1.04);
}

.card-listing-body {
    padding: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.card-listing-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
}

.card-listing-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    line-height: var(--leading-tight);
    color: var(--color-neutral-900);
}

.card-listing-location {
    font-size: var(--text-sm);
    color: var(--color-neutral-600);
}

/* Specs row — icon + value pairs */
.card-listing-specs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    padding-top: var(--space-1);
    padding-bottom: var(--space-1);
    border-top: 1px solid var(--color-neutral-100);
    border-bottom: 1px solid var(--color-neutral-100);
}

.card-listing-spec {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--text-sm);
    color: var(--color-neutral-600);
}

.card-listing-spec svg {
    width: 16px;
    height: 16px;
    color: var(--color-neutral-400);
}

.card-listing-spec strong {
    color: var(--color-neutral-900);
    font-weight: var(--font-semibold);
}

/* Temperature zone pills */
.card-listing-zones {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.zone-pill {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    background-color: var(--color-neutral-100);
    color: var(--color-neutral-600);
}

.zone-pill-frozen {
    background-color: #DBEAFE;
    color: #1E40AF;
}

.zone-pill-cooler {
    background-color: var(--color-accent-light);
    color: var(--color-accent);
}

.zone-pill-ambient {
    background-color: #FEF3C7;
    color: #92400E;
}

.card-listing-rate {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-accent);
}

.card-listing-rate-suffix {
    font-size: var(--text-sm);
    font-weight: var(--font-regular);
    color: var(--color-neutral-600);
}

.card-listing-cta {
    margin-top: var(--space-1);
}


/* --- card-resource --- */
.card-resource {
    padding: var(--space-4);
    position: relative;
    gap: var(--space-2);
}

.card-resource-category {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-resource-title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    line-height: var(--leading-tight);
    color: var(--color-neutral-900);
}

.card-resource-excerpt {
    color: var(--color-neutral-600);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    /* Clamp to 2 lines */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.card-resource-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    margin-top: var(--space-1);
}

.card-resource-readtime {
    font-size: var(--text-sm);
    color: var(--color-neutral-600);
}

.card-resource-cta {
    padding-left: 0;
    padding-right: 0;
}

/* Lock icon overlay for gated content */
.card-resource-lock {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    width: 32px;
    height: 32px;
    background-color: rgba(10, 22, 40, 0.85);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.card-resource-lock svg {
    width: 16px;
    height: 16px;
}


/* --- card-stat --- */
.card-stat {
    padding: var(--space-4);
    text-align: center;
    align-items: center;
    gap: var(--space-1);
}

.card-stat-number {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    color: var(--color-accent);
    line-height: var(--leading-tight);
    display: block;
}

.card-stat-label {
    font-size: var(--text-sm);
    color: var(--color-neutral-600);
}

.card-stat-light {
    background-color: var(--color-white);
}

.card-stat-dark {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.card-stat-dark .card-stat-label {
    color: var(--color-neutral-300);
}


/* --- card-team --- */
.card-team {
    padding: var(--space-4);
    text-align: center;
    align-items: center;
    gap: var(--space-1);
}

.card-team-photo {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    object-fit: cover;
    background-color: var(--color-neutral-100);
    margin-bottom: var(--space-1);
}

.card-team-name {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-neutral-900);
    line-height: var(--leading-tight);
}

.card-team-title {
    font-size: var(--text-sm);
    color: var(--color-neutral-600);
}

.card-team-bio {
    color: var(--color-neutral-600);
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    margin-top: var(--space-1);
    /* Clamp to 3 lines */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-team-contacts {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-2);
    justify-content: center;
}

.card-team-contact-link {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background-color: var(--color-neutral-100);
    color: var(--color-neutral-600);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.card-team-contact-link:hover,
.card-team-contact-link:focus-visible {
    background-color: var(--color-accent);
    color: var(--color-white);
    outline: none;
}

.card-team-contact-link svg {
    width: 16px;
    height: 16px;
}


/* ==========================================================================
   BADGES
   Small status / category indicators.
   ========================================================================== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    line-height: 1.4;
    white-space: nowrap;
}

.badge-available {
    background-color: #DCFCE7;
    color: var(--color-success);
}

.badge-under-offer {
    background-color: #FEF3C7;
    color: var(--color-warning);
}

.badge-leased {
    background-color: var(--color-neutral-100);
    color: var(--color-neutral-600);
}

.badge-featured {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.badge-new {
    background-color: var(--color-primary);
    color: var(--color-white);
}

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


/* ==========================================================================
   FORMS
   .form-group wraps label + input pairs. Inputs share the .form-input
   class regardless of element type (input, select, textarea).
   ========================================================================== */

.form-group {
    margin-bottom: var(--space-3);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    margin-bottom: var(--space-1);
    color: var(--color-neutral-900);
}

.form-required {
    color: var(--color-error);
    margin-left: 2px;
}

.form-input {
    width: 100%;
    padding: var(--space-1) var(--space-2);
    border: 1px solid var(--color-neutral-300);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-family: inherit;
    line-height: var(--leading-normal);
    color: var(--color-neutral-900);
    background-color: var(--color-white);
    transition: var(--transition-base);
}

.form-input::placeholder {
    color: var(--color-neutral-400);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.15);
}

.form-input.error {
    border-color: var(--color-error);
}

.form-input.error:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

.form-input:disabled {
    background-color: var(--color-neutral-100);
    color: var(--color-neutral-600);
    cursor: not-allowed;
}

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

.form-help-text {
    color: var(--color-neutral-600);
    font-size: var(--text-sm);
    margin-top: var(--space-1);
}

/* Custom select arrow via inline SVG background */
.form-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%234B5563' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-2) center;
    background-size: 12px 8px;
    padding-right: var(--space-5);
}

textarea.form-input {
    min-height: 120px;
    resize: vertical;
    line-height: var(--leading-normal);
}

/* Checkbox / radio rows */
.form-checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: var(--space-1);
    margin-bottom: var(--space-1);
}

.form-checkbox-group input[type="checkbox"],
.form-checkbox-group input[type="radio"] {
    margin-top: 4px;
    accent-color: var(--color-accent);
    cursor: pointer;
}

.form-checkbox-group label {
    font-size: var(--text-sm);
    color: var(--color-neutral-900);
    cursor: pointer;
}


/* ==========================================================================
   HERO SECTIONS
   Three height variants. Use with a background image set inline via
   class on a container, or layered with .hero-overlay for a dark wash.
   ========================================================================== */

.hero {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
    background-size: cover;
    background-position: center;
    background-color: var(--color-primary);
    overflow: hidden;
    padding-top: var(--nav-height);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(10, 22, 40, 0.75);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--color-white);
    width: 100%;
    padding-top: var(--space-6);
    padding-bottom: var(--space-6);
}

.hero-content h1,
.hero-content h2 {
    color: var(--color-white);
}

.hero-content p {
    color: var(--color-neutral-300);
}

.hero-full {
    min-height: 100vh;
}

.hero-standard {
    min-height: 600px;
}

.hero-compact {
    min-height: 380px;
}


/* ==========================================================================
   STATS BAR
   Full-width navy section showing 4 numeric stats.
   Mobile = 1 col, tablet = 2 cols, desktop = 4 cols.
   ========================================================================== */

.stats-bar {
    background-color: var(--color-primary);
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
}

.stats-bar-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
}

.stat-item {
    text-align: center;
    padding: var(--space-2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.stat-item:last-child {
    border-bottom: none;
}

.stat-number {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    color: var(--color-accent);
    display: block;
    line-height: var(--leading-tight);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--color-neutral-300);
    margin-top: 4px;
}

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

    .stat-item {
        border-bottom: 1px solid rgba(255, 255, 255, 0.15);
        border-right: 1px solid rgba(255, 255, 255, 0.15);
    }

    .stat-item:nth-child(2n) {
        border-right: none;
    }

    .stat-item:nth-last-child(-n+2) {
        border-bottom: none;
    }
}

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

    .stat-item {
        border-bottom: none;
        border-right: 1px solid rgba(255, 255, 255, 0.15);
    }

    .stat-item:last-child {
        border-right: none;
    }
}


/* ==========================================================================
   SKELETON LOADERS
   Animated shimmer placeholders for loading states.
   ========================================================================== */

.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-neutral-100) 25%,
        var(--color-neutral-300) 50%,
        var(--color-neutral-100) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

@keyframes skeleton-shimmer {
    from {
        background-position: 200% 0;
    }
    to {
        background-position: -200% 0;
    }
}

.skeleton-card {
    border-radius: var(--radius-lg);
    height: 380px;
    width: 100%;
}

.skeleton-text {
    height: 1em;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-1);
}

.skeleton-text-full {
    width: 100%;
}

.skeleton-text-3\/4 {
    width: 75%;
}

.skeleton-text-1\/2 {
    width: 50%;
}


/* ==========================================================================
   ALERTS
   Inline status messages with a left border accent.
   ========================================================================== */

.alert {
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    border-left: 4px solid;
    margin-bottom: var(--space-3);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
}

.alert-info {
    background-color: #EFF6FF;
    border-left-color: #3B82F6;
    color: #1E40AF;
}

.alert-success {
    background-color: #F0FDF4;
    border-left-color: var(--color-success);
    color: #166534;
}

.alert-warning {
    background-color: #FFFBEB;
    border-left-color: var(--color-warning);
    color: #92400E;
}

.alert-error {
    background-color: #FEF2F2;
    border-left-color: var(--color-error);
    color: #991B1B;
}


/* ==========================================================================
   ACCORDION
   Collapsible Q&A or content sections. Expansion handled by adding/
   removing the .open class via JavaScript (not provided here).
   ========================================================================== */

.accordion {
    width: 100%;
}

.accordion-item {
    border-bottom: 1px solid var(--color-neutral-300);
}

.accordion-trigger {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) 0;
    font-family: inherit;
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--color-neutral-900);
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    transition: color var(--transition-base);
}

.accordion-trigger:hover,
.accordion-trigger:focus-visible {
    color: var(--color-accent);
    outline: none;
}

.accordion-icon {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    transition: transform var(--transition-base);
    color: currentColor;
}

.accordion-item.open .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow) ease;
}

.accordion-item.open .accordion-content {
    max-height: 500px;
}

.accordion-content-inner {
    padding-bottom: var(--space-3);
    color: var(--color-neutral-600);
    line-height: var(--leading-relaxed);
}


/* ==========================================================================
   TABS
   Used on: listing detail, contact page, any tabbed content.
   MOVED FROM listings.css — promoted to shared component so any page
   loading components.css gets tab styles without listings.css.
   ========================================================================== */

.tab-nav {
    display: flex;
    border-bottom: 2px solid var(--color-neutral-300);
    margin-bottom: var(--space-4);
    overflow-x: auto;
    /* Smooth touch scrolling on iOS for the horizontal tab strip */
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}

.tab-btn {
    padding: var(--space-2) var(--space-3);
    font-family: inherit;
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: var(--color-neutral-600);
    background: none;
    border: none;
    /* Match the bottom border on .tab-nav exactly so the active indicator
       sits flush instead of overlapping or leaving a gap */
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
    cursor: pointer;
    transition: color var(--transition-base), border-color var(--transition-base);
}

.tab-btn:hover,
.tab-btn:focus-visible {
    color: var(--color-accent);
    outline: none;
}

.tab-btn:focus-visible {
    /* Focus ring above the standard hover state for keyboard users */
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}

.tab-btn.active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

/* Tab panels — only the .active one is visible. The `hidden` attribute
   on inactive panels keeps them out of the layout when JS is absent. */
.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}


/* ==========================================================================
   BREADCRUMB
   Hierarchical page-location indicator.
   ========================================================================== */

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-sm);
    color: var(--color-neutral-600);
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
    list-style: none;
}

.breadcrumb-separator {
    color: var(--color-neutral-400);
    margin-left: 2px;
    margin-right: 2px;
    user-select: none;
}

.breadcrumb a {
    color: var(--color-neutral-600);
    transition: color var(--transition-base);
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
    color: var(--color-accent);
    outline: none;
}

.breadcrumb-current {
    color: var(--color-neutral-900);
    font-weight: var(--font-medium);
}

/* End of file */