/* === BUILDER.CSS ===
   assets/css/builder.css
   НАЗНАЧЕНИЕ: Split-screen конструктор, формы блоков, модалки, карточки проектов, header, toast
   СВЯЗИ: themes-variables.css (--sm-* переменные), main.css
   РАЗМЕР: ~450 строк */

/* -- Header -- */
.sm-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: var(--sm-bg-secondary);
    border-bottom: 1px solid var(--sm-border);
    gap: 10px;
    flex-shrink: 0;
}
.sm-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}
.sm-logo {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--sm-text-primary);
    white-space: nowrap;
}
.sm-header-nav {
    display: flex;
    gap: 4px;
}
.sm-nav-link {
    padding: 6px 14px;
    border-radius: var(--sm-radius);
    color: var(--sm-text-secondary);
    font-size: 0.85rem;
    font-family: var(--sm-font-body);
    text-decoration: none;
    transition: color 0.2s, background 0.2s;
    white-space: nowrap;
}
.sm-nav-link:hover {
    color: var(--sm-text-primary);
    background: var(--sm-bg-tertiary);
    text-decoration: none;
}
.sm-nav-link.active {
    color: var(--sm-accent);
    background: var(--sm-accent-muted);
}
.sm-header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}
.sm-logout-link {
    color: var(--sm-text-muted);
    font-size: 0.8rem;
}

/* -- Main content area -- */
.sm-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
}
.sm-content {
    flex: 1;
    overflow-y: auto;
    padding: 0;
}

/* -- Loading / Error -- */
.sm-loading, .sm-error {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--sm-text-muted);
    font-family: var(--sm-font-body);
}
.sm-error {
    color: var(--sm-danger);
}

/* -- Projects Header -- */
.sm-projects-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    gap: 10px;
}

/* -- Projects Grid -- */
.sm-projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 10px;
    padding: 0 16px 16px;
}

/* -- Project Card -- */
.sm-project-card {
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.sm-project-card:hover {
    border-color: var(--sm-accent);
}
.sm-project-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}
.sm-project-type-icon {
    color: var(--sm-accent);
    display: flex;
}
.sm-project-title {
    font-size: 1rem;
    margin-bottom: 6px;
    color: var(--sm-text-primary);
}
.sm-project-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    margin-bottom: 10px;
}
.sm-project-actions {
    display: flex;
    gap: 6px;
    border-top: 1px solid var(--sm-border);
    padding-top: 10px;
}

/* -- Badges -- */
.sm-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 600;
    white-space: nowrap;
    font-family: var(--sm-font-body);
}
.sm-badge-draft {
    background: var(--sm-accent-muted);
    color: var(--sm-accent);
}
.sm-badge-published {
    background: hsla(142, 71%, 45%, 0.15);
    color: var(--sm-success);
}
.sm-badge-archived {
    background: hsla(0, 0%, 50%, 0.15);
    color: var(--sm-text-muted);
}

/* -- Empty State -- */
.sm-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    gap: 16px;
}
.sm-empty-icon {
    color: var(--sm-text-muted);
    opacity: 0.5;
}
.sm-empty-state p {
    color: var(--sm-text-secondary);
    max-width: 320px;
}

/* -- Buttons -- */
.sm-btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}
.sm-btn-create {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.sm-btn-danger {
    background: transparent;
    border: 1px solid var(--sm-danger);
    color: var(--sm-danger);
    border-radius: var(--sm-radius);
    padding: 10px 20px;
    cursor: pointer;
    font-family: var(--sm-font-body);
    font-weight: 500;
    font-size: 0.85rem;
    transition: all 0.2s ease;
}
.sm-btn-danger:hover {
    background: hsla(0, 84%, 60%, 0.12);
}
.sm-text-muted {
    color: var(--sm-text-muted);
}

/* -- Modal Overlay -- */
.sm-modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.sm-modal-overlay.visible {
    opacity: 1;
}
.sm-modal {
    background: var(--sm-bg-secondary);
    border: 1px solid var(--sm-border);
    border-radius: var(--sm-radius-lg);
    padding: 0;
    width: 90%;
    max-width: 640px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--sm-shadow-lg);
}
.sm-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid var(--sm-border);
}
.sm-modal-close {
    background: none;
    border: none;
    color: var(--sm-text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 0 4px;
}
.sm-modal-close:hover {
    color: var(--sm-text-primary);
}
.sm-modal-body {
    padding: 16px;
}

/* -- Product Type Cards (Create Modal) -- */
.sm-product-types {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 16px;
}
.sm-product-type-card {
    cursor: pointer;
    text-align: center;
    padding: 16px 10px;
    transition: border-color 0.2s, background 0.2s;
}
.sm-product-type-card:hover {
    border-color: var(--sm-accent);
    background: var(--sm-accent-muted);
}
.sm-product-type-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    color: var(--sm-accent);
}
.sm-product-type-card h4 {
    font-size: 0.9rem;
    margin-bottom: 4px;
    color: var(--sm-text-primary);
}
.sm-product-type-card p {
    font-size: 0.75rem;
    line-height: 1.4;
}

/* -- Builder Toolbar -- */
.sm-builder-toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border-bottom: 1px solid var(--sm-border);
    background: var(--sm-bg-secondary);
}
.sm-builder-title {
    font-size: 1rem;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.sm-builder-toolbar-right {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

/* -- Builder Split-screen -- */
.sm-builder {
    display: flex;
    height: calc(100vh - 110px);
}
.sm-builder-sidebar {
    width: 30%;
    min-width: 260px;
    max-width: 360px;
    border-right: 1px solid var(--sm-border);
    overflow-y: auto;
    padding: 10px;
    background: var(--sm-bg-secondary);
    flex-shrink: 0;
}
.sm-builder-main {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    min-width: 0;
}

/* -- Progress -- */
.sm-progress-section {
    margin-bottom: 10px;
}
.sm-progress-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--sm-text-secondary);
    margin-bottom: 4px;
    font-family: var(--sm-font-body);
}
.sm-progress-bar {
    height: 4px;
    background: var(--sm-bg-tertiary);
    border-radius: 2px;
}
.sm-progress-fill {
    height: 100%;
    background: var(--sm-gradient);
    border-radius: 2px;
    transition: width 0.3s ease;
}

/* -- Block List -- */
.sm-blocks-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.sm-block-item {
    padding: 8px 10px;
    border: 1px solid var(--sm-border);
    border-radius: var(--sm-radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: border-color 0.2s, background 0.2s;
    font-size: 0.85rem;
    font-family: var(--sm-font-body);
}
.sm-block-item:hover {
    border-color: var(--sm-accent);
}
.sm-block-item.active {
    border-color: var(--sm-accent);
    background: var(--sm-accent-muted);
}
.sm-block-item.filled {
    opacity: 1;
}
.sm-block-item.not-filled {
    opacity: 0.65;
}
.sm-block-item.hidden {
    opacity: 0.3;
    text-decoration: line-through;
}
.sm-block-check {
    flex: 0 0 auto;
    display: flex;
}
.sm-block-label {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--sm-text-primary);
}
.sm-block-toggle-btn {
    flex: 0 0 auto;
    background: none;
    border: none;
    color: var(--sm-text-muted);
    cursor: pointer;
    padding: 2px;
    display: flex;
    transition: color 0.2s;
}
.sm-block-toggle-btn:hover {
    color: var(--sm-text-primary);
}

/* -- Block Form -- */
.sm-block-form {
    max-width: 700px;
}
.sm-block-form-title {
    font-size: 1.1rem;
    margin-bottom: 16px;
    color: var(--sm-text-primary);
}
.sm-form-group {
    margin-bottom: 12px;
}
.sm-form-group label {
    display: block;
    color: var(--sm-text-secondary);
    font-size: 0.8rem;
    margin-bottom: 4px;
    font-family: var(--sm-font-body);
}
.sm-form-hint {
    display: block;
    color: var(--sm-text-muted);
    font-size: 0.72rem;
    margin-bottom: 4px;
    font-family: var(--sm-font-body);
    font-style: italic;
}
.sm-block-form textarea,
.sm-block-form input[type="text"],
.sm-block-form input[type="date"],
.sm-block-form select,
.sm-select {
    width: 100%;
    padding: 10px;
    background: var(--sm-bg-tertiary);
    border: 1px solid var(--sm-border);
    border-radius: var(--sm-radius);
    color: var(--sm-text-primary);
    font-family: var(--sm-font-body);
    font-size: 0.85rem;
    line-height: 1.5;
    transition: border-color 0.2s;
}
.sm-block-form textarea {
    min-height: 90px;
    resize: vertical;
}
.sm-block-form textarea:focus-visible,
.sm-block-form input:focus-visible,
.sm-block-form select:focus-visible,
.sm-select:focus-visible {
    border-color: var(--sm-accent);
    outline: 2px solid var(--sm-accent);
    outline-offset: 1px;
}
.sm-block-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--sm-text-muted);
}

/* -- Block Actions -- */
.sm-block-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

/* -- AI Preview -- */
.sm-ai-preview {
    background: var(--sm-accent-muted);
    border: 1px solid var(--sm-accent);
    border-radius: var(--sm-radius);
    padding: 10px;
    margin-top: 16px;
}
.sm-ai-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}
.sm-ai-label {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--sm-accent);
    font-family: var(--sm-font-body);
}
.sm-ai-text {
    font-size: 0.8rem;
    line-height: 1.5;
    color: var(--sm-text-primary);
    white-space: pre-wrap;
    word-break: break-word;
    font-family: var(--sm-font-body);
    margin: 0;
}
.sm-btn-use-ai {
    background: var(--sm-accent);
    color: #fff;
    border: none;
    border-radius: var(--sm-radius);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--sm-font-body);
    transition: filter 0.2s;
}
.sm-btn-use-ai:hover {
    filter: brightness(1.15);
}

/* -- Preview iframe -- */
.sm-preview-iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: var(--sm-radius);
    background: #fff;
    min-height: calc(100vh - 150px);
}

/* -- Spinner -- */
@keyframes sm-spin {
    to { transform: rotate(360deg); }
}
.sm-spin {
    animation: sm-spin 1s linear infinite;
}

/* -- Toast -- */
.sm-toast-container {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 6px;
    pointer-events: none;
}
.sm-toast {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: var(--sm-radius);
    font-size: 0.85rem;
    font-family: var(--sm-font-body);
    color: var(--sm-text-primary);
    background: var(--sm-bg-secondary);
    border: 1px solid var(--sm-border);
    box-shadow: var(--sm-shadow-lg);
    pointer-events: auto;
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}
.sm-toast-visible {
    opacity: 1;
    transform: translateX(0);
}
.sm-toast-success {
    border-color: var(--sm-success);
}
.sm-toast-success svg {
    color: var(--sm-success);
}
.sm-toast-error {
    border-color: var(--sm-danger);
}
.sm-toast-error svg {
    color: var(--sm-danger);
}
.sm-toast-info svg {
    color: var(--sm-accent);
}

/* -- Cursor Glow -- */
#sm-cursor-wrap {
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    width: 40px;
    height: 40px;
}
.sm-cursor-blur {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    filter: blur(40px);
    transition: filter 0.3s ease, background 0.3s ease;
}
.sm-cursor-svg {
    position: absolute;
    width: 22px;
    height: 22px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    fill: #ffffff;
    stroke: #ffffff;
    filter: drop-shadow(0 0 8px #ffffff);
}
html.light-theme .sm-cursor-svg { fill: #111111; stroke: #111111; filter: drop-shadow(0 0 8px #111111); }
html.light-theme .sm-cursor-blur { background: rgba(0, 0, 0, 0.06); }
#sm-cursor-wrap.sm-cursor-hover .sm-cursor-blur {
    background: var(--sm-accent-muted, rgba(14, 165, 233, 0.15));
    filter: blur(45px);
}
body.sm-hide-cursor, body.sm-hide-cursor * { cursor: none !important; }

/* -- Card Hover Effects -- */
.sm-feature-card, .sm-service-card, .sm-pricing-card, .sm-audience-card, .sm-problem-card {
    transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.sm-feature-card:hover, .sm-service-card:hover, .sm-audience-card:hover, .sm-problem-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--sm-shadow-lg, 0 10px 15px -3px rgba(0,0,0,0.4));
    border-color: var(--sm-accent-muted, rgba(255,255,255,0.15));
}
.sm-pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sm-shadow-lg, 0 10px 15px -3px rgba(0,0,0,0.4));
}
.sm-pricing-card.popular {
    border-color: var(--sm-accent, #e94560);
    box-shadow: 0 0 20px var(--sm-accent-muted, rgba(233,69,96,0.2));
}

/* -- Reduced Motion -- */
@media (prefers-reduced-motion: reduce) {
    .sm-feature-card, .sm-service-card, .sm-pricing-card, .sm-audience-card, .sm-problem-card {
        transition: none;
    }
    .sm-feature-card:hover, .sm-service-card:hover, .sm-audience-card:hover, .sm-problem-card:hover,
    .sm-pricing-card:hover {
        transform: none;
    }
    #sm-cursor-wrap { display: none; }
    body.sm-hide-cursor, body.sm-hide-cursor * { cursor: auto !important; }
}

/* -- Mobile -- */
.sm-mobile-tabs {
    display: none;
}

@media (max-width: 768px) {
    .sm-header {
        flex-wrap: wrap;
        padding: 8px 10px;
    }
    .sm-header-nav {
        order: 3;
        width: 100%;
    }
    .sm-projects-grid {
        grid-template-columns: 1fr;
    }
    .sm-product-types {
        grid-template-columns: 1fr;
    }
    .sm-builder {
        flex-direction: column;
        height: auto;
    }
    .sm-builder-sidebar {
        width: 100%;
        min-width: 0;
        max-width: none;
        border-right: none;
        border-bottom: 1px solid var(--sm-border);
        max-height: 40vh;
    }
    .sm-builder-main {
        width: 100%;
        padding: 10px;
    }
    .sm-mobile-tabs {
        display: flex;
        gap: 0;
        border-bottom: 1px solid var(--sm-border);
        background: var(--sm-bg-secondary);
    }
    .sm-mobile-tab {
        flex: 1;
        padding: 10px;
        text-align: center;
        cursor: pointer;
        color: var(--sm-text-secondary);
        font-size: 0.85rem;
        font-family: var(--sm-font-body);
        border-bottom: 2px solid transparent;
        transition: color 0.2s, border-color 0.2s;
    }
    .sm-mobile-tab.active {
        border-bottom-color: var(--sm-accent);
        color: var(--sm-accent);
    }
    .sm-builder-toolbar {
        flex-wrap: wrap;
    }
    .sm-builder-title {
        order: 3;
        width: 100%;
        margin-top: 4px;
    }
}