/* ==========================================================================
   Syntro Build AI — Template Browser CSS  (Module 3)
   Depends on: dashboard.css for design tokens (:root vars).
   ========================================================================== */

/* --------------------------------------------------------------------------
   Page layout
   -------------------------------------------------------------------------- */
.tpl-body {
    background: var(--c-bg);
    color:      var(--c-text);
    min-height: 100vh;
}

.tpl-main {
    padding-top: calc(var(--navbar-h) + 72px); /* navbar + header */
    padding-bottom: 4rem;
}

.tpl-container {
    width:     100%;
    max-width: 1280px;
    margin:    0 auto;
    padding:   0 1.25rem;
}

/* --------------------------------------------------------------------------
   Page header
   -------------------------------------------------------------------------- */
.tpl-page-header {
    position:   fixed;
    top:        var(--navbar-h);
    left:       0;
    right:      0;
    z-index:    90;
    background: var(--c-surface);
    border-bottom: 1px solid var(--c-border);
    padding:    1rem 1.25rem;
}

.tpl-page-header__inner {
    max-width:       1280px;
    margin:          0 auto;
    display:         flex;
    align-items:     center;
    justify-content: space-between;
    gap:             1rem;
}

.tpl-page-header__title {
    font-size:   1.5rem;
    font-weight: 700;
    color:       var(--c-text);
    letter-spacing: -0.02em;
}

.tpl-page-header__sub {
    font-size:  0.875rem;
    color:      var(--c-text-2);
    margin-top: 2px;
}

.tpl-back-btn {
    display:       inline-flex;
    align-items:   center;
    gap:           0.35rem;
    padding:       0.45rem 0.9rem;
    border:        1px solid var(--c-border);
    border-radius: var(--radius-md);
    font-size:     0.85rem;
    color:         var(--c-text-2);
    background:    var(--c-surface-2);
    white-space:   nowrap;
    transition:    background var(--transition), color var(--transition);
    text-decoration: none;
}

.tpl-back-btn:hover { background: var(--c-border); color: var(--c-text); text-decoration: none; }

/* --------------------------------------------------------------------------
   Toolbar
   -------------------------------------------------------------------------- */
.tpl-toolbar {
    display:        flex;
    flex-direction: column;
    gap:            0.65rem;
    margin-bottom:  1.5rem;
}

.tpl-toolbar__search-wrap {
    position: relative;
    max-width: 360px;
}

.tpl-toolbar__search-icon {
    position:   absolute;
    left:       0.75rem;
    top:        50%;
    transform:  translateY(-50%);
    color:      var(--c-text-3);
    pointer-events: none;
}

.tpl-toolbar__search {
    width:         100%;
    padding:       0.5rem 0.75rem 0.5rem 2.25rem;
    border:        1px solid var(--c-border);
    border-radius: var(--radius-full);
    background:    var(--c-surface);
    color:         var(--c-text);
    font-size:     0.875rem;
    outline:       none;
    transition:    border-color var(--transition), box-shadow var(--transition);
}

.tpl-toolbar__search:focus {
    border-color: var(--c-brand);
    box-shadow:   0 0 0 3px var(--c-brand-glow);
}

.tpl-toolbar__filters {
    display:   flex;
    flex-wrap: wrap;
    gap:       0.4rem;
}

.tpl-filter-btn {
    display:       inline-flex;
    align-items:   center;
    gap:           0.3rem;
    padding:       0.35rem 0.75rem;
    border:        1px solid var(--c-border);
    border-radius: var(--radius-full);
    background:    var(--c-surface);
    color:         var(--c-text-2);
    font-size:     0.8rem;
    font-weight:   500;
    cursor:        pointer;
    transition:    all var(--transition);
    white-space:   nowrap;
}

.tpl-filter-btn:hover {
    border-color: var(--c-brand);
    color:        var(--c-brand);
    background:   rgba(99,102,241,0.05);
}

.tpl-filter-btn--active {
    background:   var(--c-brand);
    color:        #fff;
    border-color: var(--c-brand);
}

.tpl-filter-btn--active:hover {
    background: var(--c-brand-hover);
    color:      #fff;
}

.tpl-toolbar__right {
    display:     flex;
    align-items: center;
    gap:         0.5rem;
    margin-top:  0.25rem;
}

.tpl-sort-label { font-size: 0.8rem; color: var(--c-text-3); }

.tpl-sort-select {
    padding:       0.35rem 0.6rem;
    border:        1px solid var(--c-border);
    border-radius: var(--radius-md);
    background:    var(--c-surface);
    color:         var(--c-text);
    font-size:     0.8rem;
    cursor:        pointer;
    outline:       none;
}

.tpl-result-count {
    font-size:  0.8rem;
    color:      var(--c-text-3);
    margin-left: auto;
}

/* --------------------------------------------------------------------------
   Grid
   -------------------------------------------------------------------------- */
.tpl-grid {
    display:               grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap:                   1.5rem;
}

/* --------------------------------------------------------------------------
   Template card
   -------------------------------------------------------------------------- */
.tpl-card {
    border:        1px solid var(--c-border);
    border-radius: var(--radius-lg);
    background:    var(--c-surface);
    overflow:      hidden;
    transition:    box-shadow var(--transition), border-color var(--transition),
                   transform var(--transition);
    cursor:        pointer;
    animation:     cardIn 200ms ease both;
}

@keyframes cardIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0);    }
}

.tpl-card:hover {
    border-color: var(--c-brand);
    box-shadow:   0 8px 32px rgba(0,0,0,0.12);
    transform:    translateY(-3px);
}

/* Thumbnail */
.tpl-card__thumb-wrap {
    position:   relative;
    width:      100%;
    aspect-ratio: 16 / 10;
    overflow:   hidden;
    background: var(--c-surface-2);
}

.tpl-card__thumb {
    width:      100%;
    height:     100%;
    object-fit: cover;
    transition: transform 400ms ease;
}

.tpl-card:hover .tpl-card__thumb { transform: scale(1.04); }

/* Colour palette strip */
.tpl-card__palette {
    position: absolute;
    bottom:   0.5rem;
    left:     0.5rem;
    display:  flex;
    gap:      3px;
}

.tpl-card__swatch {
    display:       block;
    width:         16px;
    height:        16px;
    border-radius: var(--radius-full);
    border:        2px solid rgba(255,255,255,0.5);
    box-shadow:    0 1px 3px rgba(0,0,0,0.2);
}

/* Hover overlay */
.tpl-card__overlay {
    position:        absolute;
    inset:           0;
    background:      rgba(0,0,0,0.55);
    display:         flex;
    align-items:     center;
    justify-content: center;
    gap:             0.65rem;
    backdrop-filter: blur(4px);
}

.tpl-card__use-btn {
    padding:       0.55rem 1.2rem;
    background:    var(--c-brand);
    color:         #fff;
    border:        none;
    border-radius: var(--radius-full);
    font-size:     0.85rem;
    font-weight:   600;
    cursor:        pointer;
    text-decoration: none;
    transition:    background var(--transition), transform var(--transition);
}

.tpl-card__use-btn:hover  { background: var(--c-brand-hover); text-decoration: none; color: #fff; }
.tpl-card__use-btn:active { transform: scale(0.95); }

.tpl-card__preview-btn {
    padding:       0.55rem 1rem;
    background:    rgba(255,255,255,0.15);
    color:         #fff;
    border:        1px solid rgba(255,255,255,0.4);
    border-radius: var(--radius-full);
    font-size:     0.85rem;
    font-weight:   500;
    cursor:        pointer;
    text-decoration: none;
    transition:    background var(--transition);
}

.tpl-card__preview-btn:hover { background: rgba(255,255,255,0.25); text-decoration: none; color: #fff; }

/* Card meta */
.tpl-card__meta { padding: 0.9rem 1rem 1rem; }

.tpl-card__name {
    font-size:   1rem;
    font-weight: 700;
    color:       var(--c-text);
    margin-bottom: 0.25rem;
}

.tpl-card__desc {
    font-size:   0.8rem;
    color:       var(--c-text-2);
    line-height: 1.45;
    margin-bottom: 0.65rem;
    display:     -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow:    hidden;
}

.tpl-card__badges { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-bottom: 0.5rem; }

.tpl-badge {
    display:       inline-flex;
    align-items:   center;
    gap:           0.25rem;
    padding:       0.2rem 0.55rem;
    border-radius: var(--radius-full);
    font-size:     0.7rem;
    font-weight:   600;
    white-space:   nowrap;
}

.tpl-badge--industry {
    background: rgba(16,185,129,0.1);
    color:      #059669;
    border:     1px solid rgba(16,185,129,0.2);
}

.tpl-badge--style {
    background: rgba(245,158,11,0.1);
    color:      #d97706;
    border:     1px solid rgba(245,158,11,0.2);
}

.tpl-card__sections {
    font-size: 0.72rem;
    color:     var(--c-text-3);
    margin-top: 0.25rem;
}

/* --------------------------------------------------------------------------
   Empty state
   -------------------------------------------------------------------------- */
.tpl-empty {
    grid-column: 1 / -1;
    text-align:  center;
    padding:     4rem 1rem;
    color:       var(--c-text-2);
}

.tpl-empty__icon  { font-size: 3rem; margin-bottom: 1rem; }
.tpl-empty__title { font-size: 1.25rem; font-weight: 600; color: var(--c-text); margin-bottom: 0.5rem; }
.tpl-empty__text  { font-size: 0.9rem; color: var(--c-text-2); margin-bottom: 1.25rem; }

.tpl-empty__reset {
    display:       inline-flex;
    padding:       0.5rem 1.2rem;
    background:    var(--c-brand);
    color:         #fff;
    border:        none;
    border-radius: var(--radius-full);
    font-size:     0.875rem;
    font-weight:   600;
    cursor:        pointer;
    transition:    background var(--transition);
}

.tpl-empty__reset:hover { background: var(--c-brand-hover); }

/* --------------------------------------------------------------------------
   Pagination
   -------------------------------------------------------------------------- */
.tpl-pagination {
    display:         flex;
    justify-content: center;
    align-items:     center;
    flex-wrap:       wrap;
    gap:             0.35rem;
    margin-top:      2.5rem;
}

.tpl-page-btn {
    min-width:     36px;
    height:        36px;
    padding:       0 0.6rem;
    border:        1px solid var(--c-border);
    border-radius: var(--radius-md);
    background:    var(--c-surface);
    color:         var(--c-text-2);
    font-size:     0.85rem;
    cursor:        pointer;
    transition:    all var(--transition);
}

.tpl-page-btn:hover {
    border-color: var(--c-brand);
    color:        var(--c-brand);
}

.tpl-page-btn--active {
    background:   var(--c-brand);
    color:        #fff;
    border-color: var(--c-brand);
    font-weight:  700;
}

.tpl-page-ellipsis {
    padding:  0 0.25rem;
    color:    var(--c-text-3);
    font-size: 0.85rem;
}

/* --------------------------------------------------------------------------
   Selection modal
   -------------------------------------------------------------------------- */
.tpl-modal-backdrop {
    position: fixed;
    inset:    0;
    background: rgba(0,0,0,0.6);
    z-index:  400;
    display:  flex !important;
    align-items: center;
    justify-content: center;
    padding:  1rem;
    backdrop-filter: blur(6px);
    animation: fadeIn 200ms ease;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.tpl-modal {
    background:    var(--c-surface);
    border:        1px solid var(--c-border);
    border-radius: var(--radius-lg);
    width:         100%;
    max-width:     680px;
    max-height:    90vh;
    overflow-y:    auto;
    position:      relative;
    animation:     modalIn 220ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.94) translateY(12px); }
    to   { opacity: 1; transform: scale(1)    translateY(0);    }
}

.tpl-modal__close {
    position:    absolute;
    top:         0.75rem;
    right:       0.75rem;
    width:       32px;
    height:      32px;
    border:      none;
    border-radius: var(--radius-full);
    background:  var(--c-surface-2);
    color:       var(--c-text-2);
    font-size:   0.9rem;
    cursor:      pointer;
    z-index:     10;
    transition:  background var(--transition);
}

.tpl-modal__close:hover { background: var(--c-border); color: var(--c-text); }

.tpl-modal__thumb-wrap {
    width:        100%;
    aspect-ratio: 16 / 9;
    overflow:     hidden;
    border-bottom: 1px solid var(--c-border);
    background:   var(--c-surface-2);
}

.tpl-modal__thumb {
    width:      100%;
    height:     100%;
    object-fit: cover;
}

.tpl-modal__body { padding: 1.5rem; }

.tpl-modal__title {
    font-size:   1.35rem;
    font-weight: 700;
    color:       var(--c-text);
    margin-bottom: 0.4rem;
}

.tpl-modal__desc {
    font-size:   0.9rem;
    color:       var(--c-text-2);
    margin-bottom: 0.75rem;
    line-height: 1.55;
}

.tpl-modal__badges  { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.75rem; }

.tpl-modal__palette {
    display:       flex;
    align-items:   center;
    gap:           0.4rem;
    margin-bottom: 0.75rem;
}

.tpl-modal__swatch {
    width:         24px;
    height:        24px;
    border-radius: var(--radius-full);
    border:        2px solid var(--c-border);
    flex-shrink:   0;
}

.tpl-modal__sections {
    font-size:     0.8rem;
    color:         var(--c-text-2);
    margin-bottom: 1.25rem;
    line-height:   1.6;
}

.tpl-modal__actions {
    display:   flex;
    gap:       0.65rem;
    flex-wrap: wrap;
}

.tpl-modal__btn {
    display:       inline-flex;
    align-items:   center;
    padding:       0.6rem 1.25rem;
    border-radius: var(--radius-full);
    font-size:     0.9rem;
    font-weight:   600;
    cursor:        pointer;
    border:        none;
    transition:    background var(--transition), transform var(--transition);
}

.tpl-modal__btn:active { transform: scale(0.96); }

.tpl-modal__btn--primary {
    background: var(--c-brand);
    color:      #fff;
}

.tpl-modal__btn--primary:hover { background: var(--c-brand-hover); }

.tpl-modal__btn--secondary {
    background: var(--c-surface-2);
    color:      var(--c-text);
    border:     1px solid var(--c-border);
}

.tpl-modal__btn--secondary:hover { background: var(--c-border); }

/* --------------------------------------------------------------------------
   Loading skeleton (shown while AJAX reloads the grid)
   -------------------------------------------------------------------------- */
.tpl-skeleton {
    border-radius: var(--radius-lg);
    overflow:      hidden;
    background:    var(--c-surface);
    border:        1px solid var(--c-border);
    animation:     skeletonPulse 1.4s ease-in-out infinite;
}

@keyframes skeletonPulse {
    0%,100% { opacity: 1;    }
    50%     { opacity: 0.55; }
}

.tpl-skeleton__thumb {
    width:        100%;
    aspect-ratio: 16 / 10;
    background:   var(--c-surface-2);
}

.tpl-skeleton__meta { padding: 0.9rem 1rem; }

.tpl-skeleton__line {
    height:        12px;
    border-radius: 4px;
    background:    var(--c-surface-2);
    margin-bottom: 0.5rem;
}

.tpl-skeleton__line--title  { width: 65%; height: 16px; }
.tpl-skeleton__line--desc   { width: 90%; }
.tpl-skeleton__line--desc2  { width: 75%; }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    .tpl-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }
    .tpl-page-header__title { font-size: 1.2rem; }
    .tpl-modal__body { padding: 1rem; }
}

@media (max-width: 480px) {
    .tpl-grid { grid-template-columns: 1fr; }
    .tpl-toolbar__search-wrap { max-width: 100%; }
    .tpl-modal { max-height: 95vh; border-radius: var(--radius-md); }
}