/* ==========================================================================
   TDCLab Component - Frontend Styles
   Works with tpl_tdclab template CSS variables
   ========================================================================== */

/* --------------------------------------------------------------------------
   Extensions List
   -------------------------------------------------------------------------- */
.tdclab-extensions__filters {
    margin-bottom: var(--space-8, 2rem);
}

.tdclab-filter-row {
    display: flex;
    gap: var(--space-3, 0.75rem);
    align-items: stretch;
}

.tdclab-filter-row__search {
    position: relative;
    flex: 1;
    min-width: 0;
}

.tdclab-filter-row__icon {
    position: absolute;
    left: var(--space-3, 0.75rem);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted, #6B7280);
    pointer-events: none;
}

.tdclab-search-input {
    width: 100%;
    padding-left: calc(var(--space-3, 0.75rem) + 18px + var(--space-2, 0.5rem)) !important;
    background: var(--color-bg-card, #FFFFFF) !important;
}

.tdclab-select {
    min-width: 160px;
    width: auto;
    box-sizing: border-box;
    background: var(--color-bg-card, #FFFFFF) !important;
}

.tdclab-filter-row .btn {
    white-space: nowrap;
}

.tdclab-empty {
    text-align: center;
    padding: var(--space-16, 4rem) var(--space-4, 1rem);
    color: var(--color-text-muted, #6B7280);
}

.card__meta {
    display: flex;
    gap: var(--space-2, 0.5rem);
    margin-bottom: var(--space-3, 0.75rem);
}

/* Extension type badges use teal accent */
.card__meta .badge,
.tdclab-extension__meta .badge,
.tdclab-home__release-info .badge,
.tdclab-release__version .badge {
    background: var(--color-accent-light, #EBF5F3);
    color: var(--color-accent, #5B9E8F);
    border-color: color-mix(in srgb, var(--color-accent, #5B9E8F) 20%, transparent);
}

.card__version {
    color: var(--color-text-muted, #6B7280);
    font-size: var(--font-size-sm, 0.875rem);
}

/* --------------------------------------------------------------------------
   Extension Detail
   -------------------------------------------------------------------------- */
.tdclab-extension__header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10, 2.5rem);
    align-items: center;
    margin-bottom: var(--space-12, 3rem);
}

.tdclab-extension__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2, 0.5rem);
    margin-bottom: var(--space-4, 1rem);
}

.tdclab-extension__intro {
    font-size: var(--font-size-lg, 1.125rem);
    color: var(--color-text-muted, #6B7280);
    margin-bottom: var(--space-6, 1.5rem);
}

.tdclab-extension__actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-3, 0.75rem);
}

.tdclab-extension__download {
    width: 100%;
    text-align: center;
}

.tdclab-extension__links {
    display: flex;
    gap: var(--space-3, 0.75rem);
}

.tdclab-extension__links .btn {
    flex: 1;
    text-align: center;
}

.tdclab-extension__image img {
    border-radius: var(--border-radius-lg, 12px);
    box-shadow: 0 8px 32px var(--color-shadow, rgba(0, 0, 0, 0.08));
}

.tdclab-extension__description {
    margin-bottom: var(--space-12, 3rem);
    padding-bottom: var(--space-8, 2rem);
    border-bottom: 1px solid var(--color-border, #E5E7EB);
}

/* --------------------------------------------------------------------------
   Releases
   -------------------------------------------------------------------------- */
.tdclab-extension__releases {
    margin-bottom: var(--space-12, 3rem);
}

.tdclab-releases-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-6, 1.5rem);
}

.tdclab-release {
    background: var(--color-bg-card, #FFFFFF);
    border: 1px solid var(--color-border, #E5E7EB);
    border-radius: var(--border-radius-lg, 12px);
    padding: var(--space-6, 1.5rem);
    transition: border-color var(--transition-fast, 150ms ease);
}

.tdclab-release:first-child {
    border-color: var(--color-primary, #E84630);
    border-width: 2px;
}

.tdclab-release:hover {
    border-color: var(--color-primary, #E84630);
}

.tdclab-release__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4, 1rem);
}

.tdclab-release__version {
    display: flex;
    align-items: center;
    gap: var(--space-3, 0.75rem);
}

.tdclab-release__version time {
    color: var(--color-text-muted, #6B7280);
    font-size: var(--font-size-sm, 0.875rem);
}

.tdclab-release__notes {
    margin-bottom: var(--space-4, 1rem);
}

.tdclab-release__changelog h4 {
    font-size: var(--font-size-sm, 0.875rem);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted, #6B7280);
    margin-bottom: var(--space-2, 0.5rem);
}

.tdclab-release__changelog ul {
    font-size: var(--font-size-sm, 0.875rem);
}

.tdclab-release__compat {
    margin-top: var(--space-4, 1rem);
    padding-top: var(--space-3, 0.75rem);
    border-top: 1px solid var(--color-border-light, #F0F0F0);
}

.tdclab-extension__back {
    margin-top: var(--space-8, 2rem);
}

/* --------------------------------------------------------------------------
   Registration
   -------------------------------------------------------------------------- */
.tdclab-register {
    display: flex;
    justify-content: center;
    padding: var(--space-8, 2rem) 0;
}

.tdclab-register__card {
    width: 100%;
    max-width: 440px;
    background: var(--color-bg-card, #FFFFFF);
    border: 1px solid var(--color-border, #E5E7EB);
    border-radius: var(--border-radius-lg, 12px);
    padding: var(--space-10, 2.5rem);
}

.tdclab-register__card h2 {
    margin-bottom: var(--space-2, 0.5rem);
}

.tdclab-register__intro {
    color: var(--color-text-muted, #6B7280);
    margin-bottom: var(--space-8, 2rem);
}

.tdclab-register__field {
    margin-bottom: var(--space-5, 1.25rem);
}

.tdclab-register__field label {
    display: block;
    margin-bottom: var(--space-2, 0.5rem);
    font-weight: var(--font-weight-semibold, 600);
    font-size: var(--font-size-sm, 0.875rem);
}

.tdclab-register__submit {
    width: 100%;
    margin-top: var(--space-4, 1rem);
}

.tdclab-register__login {
    text-align: center;
    margin-top: var(--space-6, 1.5rem);
    margin-bottom: 0;
    font-size: var(--font-size-sm, 0.875rem);
    color: var(--color-text-muted, #6B7280);
}

/* --------------------------------------------------------------------------
   Home Page
   -------------------------------------------------------------------------- */

/* Hero */
.tdclab-home__hero {
    text-align: center;
    padding: var(--space-20, 5rem) 0 var(--space-16, 4rem);
}

.tdclab-home__hero h1 {
    font-size: var(--font-size-5xl, 3rem);
    line-height: var(--line-height-tight, 1.25);
    max-width: 720px;
    margin: 0 auto var(--space-4, 1rem);
}

.tdclab-home__hero-subtitle {
    font-size: var(--font-size-lg, 1.125rem);
    color: var(--color-text-muted, #6B7280);
    max-width: 600px;
    margin: 0 auto var(--space-8, 2rem);
}

.tdclab-home__hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-3, 0.75rem);
}

/* Highlights */
.tdclab-home__highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    padding: var(--space-12, 3rem) 0;
    border-top: 1px solid var(--color-border, #E5E7EB);
    border-bottom: 1px solid var(--color-border, #E5E7EB);
}

.tdclab-home__highlight {
    padding: 0 var(--space-8, 2rem);
    border-right: 1px solid var(--color-border, #E5E7EB);
}

.tdclab-home__highlight:first-child {
    padding-left: 0;
}

.tdclab-home__highlight:last-child {
    padding-right: 0;
    border-right: none;
}

.tdclab-home__highlight h3 {
    margin-bottom: var(--space-2, 0.5rem);
}

.tdclab-home__highlight p {
    color: var(--color-text-muted, #6B7280);
    font-size: var(--font-size-sm, 0.875rem);
    margin: 0;
}

/* Featured Extensions */
.tdclab-home__featured {
    padding: var(--space-16, 4rem) 0;
}

.tdclab-home__featured h2 {
    margin-bottom: var(--space-8, 2rem);
}

.tdclab-home__more {
    text-align: center;
    margin-top: var(--space-8, 2rem);
}

/* Latest Releases & Most Popular */
.tdclab-home__activity {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16, 4rem);
    padding: var(--space-12, 3rem) 0;
    border-top: 1px solid var(--color-border, #E5E7EB);
}

.tdclab-home__activity-col + .tdclab-home__activity-col {
    border-left: 1px solid var(--color-border, #E5E7EB);
    padding-left: var(--space-16, 4rem);
}

.tdclab-home__activity-col h2 {
    margin-bottom: var(--space-6, 1.5rem);
}

.tdclab-home__releases-list {
    display: flex;
    flex-direction: column;
}

.tdclab-home__release {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 3.25rem;
    padding: var(--space-3, 0.75rem) 0;
    border-bottom: 1px solid var(--color-border-light, #F0F0F0);
}

.tdclab-home__release:last-child {
    border-bottom: none;
}

.tdclab-home__release-info {
    display: flex;
    align-items: center;
    gap: var(--space-3, 0.75rem);
}

.tdclab-home__release-title {
    font-weight: var(--font-weight-semibold, 600);
    color: var(--color-text, #333);
    text-decoration: none;
}

.tdclab-home__release-title:hover {
    color: var(--color-primary, #E84630);
}

.tdclab-home__release-date {
    color: var(--color-text-muted, #6B7280);
    font-size: var(--font-size-sm, 0.875rem);
    white-space: nowrap;
}

/* Stats */
.tdclab-home__stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-8, 2rem);
    padding: var(--space-12, 3rem) 0;
    text-align: center;
    border-top: 1px solid var(--color-border, #E5E7EB);
}

.tdclab-home__stat-value {
    display: block;
    font-size: var(--font-size-4xl, 2.25rem);
    font-weight: var(--font-weight-bold, 700);
    color: var(--color-primary, #E84630);
    line-height: 1;
    margin-bottom: var(--space-2, 0.5rem);
}

.tdclab-home__stat-label {
    font-size: var(--font-size-sm, 0.875rem);
    color: var(--color-text-muted, #6B7280);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* CTA */
.tdclab-home__cta {
    text-align: center;
    padding: var(--space-16, 4rem) var(--space-8, 2rem);
    background: var(--color-bg-alt, #F7F7F8);
    border-radius: var(--border-radius-lg, 12px);
    margin: var(--space-8, 2rem) 0 var(--space-12, 3rem);
}

.tdclab-home__cta h2 {
    margin-bottom: var(--space-3, 0.75rem);
}

.tdclab-home__cta p {
    color: var(--color-text-muted, #6B7280);
    max-width: 480px;
    margin: 0 auto var(--space-6, 1.5rem);
}


/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    .tdclab-extension__header {
        grid-template-columns: 1fr;
    }

    .tdclab-extension__image {
        order: -1;
    }

    .tdclab-filter-row {
        flex-wrap: wrap;
    }

    .tdclab-filter-row__search {
        flex-basis: 100%;
    }

    .tdclab-select {
        flex: 1;
    }

    .tdclab-home__hero h1 {
        font-size: var(--font-size-3xl, 1.875rem);
    }

    .tdclab-home__highlights {
        grid-template-columns: 1fr;
    }

    .tdclab-home__highlight {
        padding: var(--space-6, 1.5rem) 0;
        border-right: none;
        border-bottom: 1px solid var(--color-border, #E5E7EB);
    }

    .tdclab-home__highlight:first-child {
        padding-top: 0;
    }

    .tdclab-home__highlight:last-child {
        padding-bottom: 0;
        border-bottom: none;
    }

    .tdclab-home__activity {
        grid-template-columns: 1fr;
    }

    .tdclab-home__activity-col + .tdclab-home__activity-col {
        border-left: none;
        padding-left: 0;
        border-top: 1px solid var(--color-border, #E5E7EB);
        padding-top: var(--space-8, 2rem);
    }

    .tdclab-home__release {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2, 0.5rem);
    }
}


/* --------------------------------------------------------------------------
   Package Includes
   -------------------------------------------------------------------------- */

.card__includes,
.tdclab-extension__includes {
    font-size: var(--font-size-xs, 0.75rem);
    color: var(--color-text-muted, #6B7280);
    margin: var(--space-1, 0.25rem) 0 0;
}

/* --------------------------------------------------------------------------
   Documentation Page
   -------------------------------------------------------------------------- */

.tdclab-documentation__header {
    margin-bottom: var(--space-8, 2rem);
}

.tdclab-documentation__breadcrumb {
    margin-bottom: var(--space-3, 0.75rem);
    font-size: var(--font-size-sm, 0.875rem);
    color: var(--color-text-muted, #6B7280);
}

.tdclab-documentation__breadcrumb a {
    color: var(--color-text-muted, #6B7280);
    text-decoration: none;
}

.tdclab-documentation__breadcrumb a:hover {
    color: var(--color-primary, #4f74a0);
}

.tdclab-documentation__separator {
    margin: 0 0.375rem;
}

.tdclab-documentation__content {
    margin-bottom: var(--space-12, 3rem);
    line-height: 1.7;
}

.tdclab-documentation__content h2 {
    margin-top: var(--space-10, 2.5rem);
    margin-bottom: var(--space-4, 1rem);
    padding-bottom: var(--space-2, 0.5rem);
    border-bottom: 1px solid var(--color-border, #E5E7EB);
}

.tdclab-documentation__content h3 {
    margin-top: var(--space-8, 2rem);
    margin-bottom: var(--space-3, 0.75rem);
}

.tdclab-documentation__content h4 {
    margin-top: var(--space-6, 1.5rem);
    margin-bottom: var(--space-2, 0.5rem);
}

.tdclab-documentation__content pre {
    background: var(--color-bg-subtle, #F3F4F6);
    padding: var(--space-4, 1rem);
    border-radius: var(--border-radius, 8px);
    overflow-x: auto;
    font-size: var(--font-size-sm, 0.875rem);
}

.tdclab-documentation__content code {
    font-size: var(--font-size-sm, 0.875rem);
    background: var(--color-bg-subtle, #F3F4F6);
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
}

.tdclab-documentation__content pre code {
    background: none;
    padding: 0;
}

.tdclab-documentation__content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-4, 1rem) 0;
}

.tdclab-documentation__content th,
.tdclab-documentation__content td {
    padding: var(--space-2, 0.5rem) var(--space-3, 0.75rem);
    border: 1px solid var(--color-border, #E5E7EB);
    text-align: left;
}

.tdclab-documentation__content th {
    background: var(--color-bg-subtle, #F3F4F6);
    font-weight: var(--font-weight-semibold, 600);
}

.tdclab-documentation__content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius, 8px);
    margin: var(--space-4, 1rem) 0;
}

.tdclab-documentation__content ul,
.tdclab-documentation__content ol {
    padding-left: 1.5rem;
    margin-bottom: var(--space-4, 1rem);
}

.tdclab-documentation__content li {
    margin-bottom: var(--space-1, 0.25rem);
}


/* --------------------------------------------------------------------------
   Support Modal
   -------------------------------------------------------------------------- */

.tdclab-support-modal {
    border: none;
    border-radius: var(--border-radius-lg, 12px);
    padding: 0;
    max-width: 540px;
    width: 90vw;
    box-shadow: 0 16px 48px var(--color-shadow, rgba(0, 0, 0, 0.15));
    margin: auto;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.tdclab-support-modal[open] {
    display: flex;
    flex-direction: column;
}

.tdclab-support-modal::backdrop {
    background: rgba(0, 0, 0, 0.5);
}

.tdclab-support-modal__content {
    padding: var(--space-8, 2rem);
}

.tdclab-support-modal__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6, 1.5rem);
}

.tdclab-support-modal__header h3 {
    margin: 0;
    font-size: var(--font-size-xl, 1.25rem);
}

.tdclab-support-modal__close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    color: var(--color-text-muted, #6B7280);
    line-height: 1;
}

.tdclab-support-modal__close:hover {
    color: var(--color-text, #111827);
}

.tdclab-support-form__field {
    margin-bottom: var(--space-4, 1rem);
}

.tdclab-support-form__field label {
    display: block;
    margin-bottom: var(--space-2, 0.5rem);
    font-weight: var(--font-weight-semibold, 600);
    font-size: var(--font-size-sm, 0.875rem);
}

.tdclab-support-form__field .required {
    color: var(--color-danger, #dc3545);
}

.tdclab-support-form__field .form-control {
    width: 100%;
    padding: var(--space-2, 0.5rem) var(--space-3, 0.75rem);
    border: 1px solid var(--color-border, #E5E7EB);
    border-radius: var(--border-radius, 8px);
    font-size: var(--font-size-base, 1rem);
    font-family: inherit;
    transition: border-color 0.15s ease;
}

.tdclab-support-form__field .form-control:focus {
    outline: none;
    border-color: var(--color-primary, #4f74a0);
    box-shadow: 0 0 0 3px rgba(79, 116, 160, 0.15);
}

.tdclab-support-form__field textarea.form-control {
    resize: vertical;
}

.tdclab-support-form__field .form-control[readonly] {
    background: var(--color-bg-subtle, #F3F4F6);
    color: var(--color-text-muted, #6B7280);
    cursor: default;
}

.tdclab-support-form__actions {
    display: flex;
    gap: var(--space-3, 0.75rem);
    margin-top: var(--space-6, 1.5rem);
}