/* =====================================================
   EcoWestern DevDocs — Component Styles
   ===================================================== */

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
    white-space: nowrap;
    text-decoration: none;
}
.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--accent);
    color: var(--text-on-accent);
    box-shadow: 0 1px 3px rgba(32, 61, 255, 0.3);
}
.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 4px 12px rgba(32, 61, 255, 0.3);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    color: var(--text-primary);
}
.btn-secondary:hover {
    border-color: var(--border-strong);
    background: var(--bg-hover);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}
.btn-ghost:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}
.btn-danger:hover {
    filter: brightness(1.1);
}

.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: 0.78rem;
    border-radius: var(--radius-sm);
}

.btn-outline-accent {
    background: transparent;
    border: 1px solid var(--border-accent);
    color: var(--accent);
}
.btn-outline-accent:hover {
    background: var(--accent-soft);
}

/* --- Modal --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    animation: fadeIn var(--duration-fast) var(--ease-out);
}
.modal {
    width: 90%;
    max-width: 440px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-xl);
    animation: scaleIn var(--duration-normal) var(--ease-spring);
}
.modal-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--space-5);
    letter-spacing: -0.02em;
}
.modal-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-5);
}
.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    margin-top: var(--space-6);
}

/* --- Search Modal --- */
.search-modal-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding-top: min(20vh, 160px);
    z-index: 300;
}
.search-modal-overlay.active {
    display: flex;
    animation: fadeIn var(--duration-fast) var(--ease-out);
}
.search-modal {
    width: 90%;
    max-width: 620px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    animation: scaleIn var(--duration-normal) var(--ease-spring);
}
.search-modal-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-tertiary);
}
.search-modal-input {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 1rem;
    outline: none;
}
.search-modal-input::placeholder {
    color: var(--text-tertiary);
}
.search-modal-results {
    max-height: 400px;
    overflow-y: auto;
    padding: var(--space-2);
}

/* Search Results */
.search-result {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}
.search-result:hover, .search-result.focused {
    background: var(--bg-hover);
}
.search-result-icon {
    font-size: 1rem;
    margin-top: 2px;
    flex-shrink: 0;
}
.search-result-content {
    flex: 1;
    min-width: 0;
}
.search-result-title {
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 2px;
}
.search-result-title mark {
    background: rgba(32, 61, 255, 0.2);
    color: var(--text-primary);
    border-radius: 2px;
    padding: 0 1px;
}
.search-result-category {
    font-size: 0.72rem;
    color: var(--text-tertiary);
}
.search-result-snippet {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 2px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.search-result-snippet mark {
    background: rgba(32, 61, 255, 0.15);
    color: var(--text-primary);
    border-radius: 2px;
    padding: 0 1px;
}
.search-empty {
    text-align: center;
    padding: var(--space-8);
    color: var(--text-tertiary);
    font-size: 0.88rem;
}

/* --- Toast Notifications --- */
.toast-container {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: 500;
    display: flex;
    flex-direction: column-reverse;
    gap: var(--space-3);
}
.toast {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-5);
    background: var(--bg-glass-strong);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    font-size: 0.85rem;
    color: var(--text-primary);
    animation: fadeInUp var(--duration-normal) var(--ease-spring);
    max-width: 400px;
}
.toast.success {
    border-left: 3px solid var(--accent);
}
.toast.error {
    border-left: 3px solid var(--danger);
}
.toast.info {
    border-left: 3px solid var(--accent);
}
.toast-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
}
.toast-close {
    margin-left: auto;
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: var(--space-1);
    font-size: 1rem;
    line-height: 1;
    transition: color var(--duration-fast);
}
.toast-close:hover {
    color: var(--text-primary);
}

/* --- Copy-to-clipboard button for code blocks --- */
.code-copy-btn {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    font-family: var(--font-sans);
    font-size: 0.7rem;
    cursor: pointer;
    opacity: 0;
    transition: all var(--duration-fast) var(--ease-out);
}
.doc-rendered pre:hover .code-copy-btn {
    opacity: 1;
}
.code-copy-btn:hover {
    background: var(--bg-active);
    color: var(--text-primary);
}

/* --- Tags --- */
.tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}
.tag-accent {
    background: var(--accent-soft);
    color: var(--accent);
}

/* ─── Reading Progress Bar ─── */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    width: 0%;
    background: var(--accent);
    z-index: 200;
    opacity: 0;
    transition: width 80ms linear, opacity var(--duration-fast);
    pointer-events: none;
}

/* ─── Active TOC Link ─── */
.doc-toc-list a.toc-active {
    color: var(--accent);
    border-left-color: var(--accent);
}

/* ─── Heading Anchor Links ─── */
.doc-heading {
    position: relative;
}
.heading-anchor {
    position: absolute;
    left: -1.4em;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.75em;
    font-weight: 400;
    color: var(--text-tertiary);
    text-decoration: none;
    opacity: 0;
    transition: opacity var(--duration-fast), color var(--duration-fast);
    padding: 0 0.25em;
    line-height: 1;
    border-bottom: none !important;
}
.doc-heading:hover .heading-anchor {
    opacity: 1;
}
.heading-anchor:hover {
    color: var(--accent) !important;
    border-bottom: none !important;
}


.doc-internal-link {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px dashed rgba(32, 61, 255, 0.4);
    padding-bottom: 1px;
    transition: border-color var(--duration-fast);
}
.doc-internal-link:hover {
    border-bottom-style: solid;
    border-bottom-color: var(--accent);
}
.doc-broken-link {
    color: var(--text-tertiary);
    text-decoration: line-through;
    cursor: not-allowed;
}

/* ─── Link Preview Card ─── */
.doc-preview-card {
    position: fixed;
    z-index: 200;
    width: 300px;
    padding: var(--space-4);
    background: var(--bg-glass-strong);
    backdrop-filter: blur(16px) saturate(1.3);
    -webkit-backdrop-filter: blur(16px) saturate(1.3);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    pointer-events: auto;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 150ms var(--ease-out), transform 150ms var(--ease-out);
    cursor: pointer;
}
.doc-preview-card.visible {
    opacity: 1;
    transform: translateY(0);
}
.doc-preview-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}
.doc-preview-icon {
    font-size: 1.1rem;
    line-height: 1;
    flex-shrink: 0;
}
.doc-preview-title {
    font-size: 0.88rem;
    font-weight: 650;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.doc-preview-desc {
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: var(--space-2);
}
.doc-preview-meta {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.7rem;
    color: var(--text-tertiary);
}
.doc-preview-dot {
    color: var(--text-tertiary);
}