/* components.css — Reusable UI: buttons, code window, project cards, copy buttons, filters, toasts, scroll progress. Every page. */

/* ---------- Scroll progress + back to top ---------- */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    z-index: 1001;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    transform: scaleX(0);
    transform-origin: left;
    pointer-events: none;
}

.to-top {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 900;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    border: 1px solid var(--border-strong);
    background: rgba(18, 23, 31, 0.9);
    backdrop-filter: blur(8px);
    color: var(--text-muted);
    cursor: pointer;
    opacity: 0;
    transform: translateY(12px);
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s var(--ease), color 0.2s ease, border-color 0.2s ease;
}

.to-top.show {
    opacity: 1;
    transform: none;
    pointer-events: auto;
}

.to-top:hover {
    color: var(--accent);
    border-color: var(--accent-line);
}

/* ---------- Cursor spotlight on cards ---------- */
.spotlight {
    position: relative;
}

.spotlight::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(380px circle at var(--mx, 50%) var(--my, 50%), rgba(230, 237, 243, 0.07), transparent 45%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.spotlight:hover::after {
    opacity: 1;
}

/* ---------- Filter bar (projects page) ---------- */
/* Filter buttons: projects page and blog page */
.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-btn {
    font-family: var(--font-mono);
    font-size: var(--fs-sm);
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid var(--border-strong);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover,
.filter-btn.active {
    color: var(--accent);
    border-color: var(--accent-line);
    background: var(--accent-soft);
}

.filter-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 28px;
}

.filter-row .filter-buttons {
    justify-content: flex-start;
}

.filter-count {
    font-size: var(--fs-sm);
    color: var(--text-dim);
}

.filter-count::before {
    content: '$ ';
    color: var(--accent);
}

.filter-in {
    animation: rise 0.45s var(--ease) both;
}

/* ---------- Blog code copy ---------- */
.blog-post-body pre {
    position: relative;
}

.code-copy {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 4px 10px;
    font-size: var(--fs-xs);
    color: var(--text-muted);
    background: var(--surface-2);
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s ease, color 0.2s ease;
}

.blog-post-body pre:hover .code-copy,
.prose pre:hover .code-copy,
.code-copy:focus-visible {
    opacity: 1;
}

.code-copy:hover {
    color: var(--accent);
}

/* ---------- Buttons ---------- */
.btn,
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 26px;
    border-radius: 10px;
    font-family: var(--font-sans);
    font-size: var(--fs-base);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.2s var(--ease), box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn {
    background: var(--accent);
    color: #0b0e13;
    border: 1px solid var(--accent);
    box-shadow: 0 8px 20px -12px rgba(0, 0, 0, 0.9);
}

.btn:hover {
    background: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -12px rgba(0, 0, 0, 0.9);
}

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border-strong);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
}

/* ---------- Code window ---------- */
.code-window,
.terminal-card {
    background: linear-gradient(180deg, var(--surface-2), var(--surface));
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(230, 237, 243, 0.04);
    overflow: hidden;
}

.code-window {
    position: relative;
}

.code-window::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(140deg, rgba(230, 237, 243, 0.5), transparent 35%, transparent 70%, rgba(154, 166, 178, 0.35));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.code-titlebar {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.015);
}

.window-dots {
    display: inline-flex;
    gap: 7px;
}

.window-dots i {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: #3a4250;
}

.window-dots i:nth-child(1) { background: #ff5f57; }
.window-dots i:nth-child(2) { background: #febc2e; }
.window-dots i:nth-child(3) { background: #28c840; }

.code-filename {
    font-size: var(--fs-sm);
    color: var(--text-muted);
}

.code-lang {
    margin-left: auto;
    font-size: var(--fs-xs);
    color: var(--text-dim);
    border: 1px solid var(--border);
    padding: 2px 8px;
    border-radius: 6px;
}

.code-body {
    counter-reset: line;
    padding: 18px 0;
    font-size: var(--fs-sm);
    line-height: 1.75;
    color: #c9d4df;
    overflow-x: auto;
}

.code-body .line {
    display: block;
    white-space: pre;
    padding: 0 20px 0 0;
    min-height: 1.75em;
}

.code-body .line::before {
    counter-increment: line;
    content: counter(line);
    display: inline-block;
    width: 3.2em;
    padding-right: 1.2em;
    text-align: right;
    color: #3d4757;
    user-select: none;
}

.code-body .line.pending {
    visibility: hidden;
}

.code-body .line.current {
    background: rgba(255, 255, 255, 0.025);
}

.code-body .line.current::before {
    color: var(--text-muted);
}

.code-cursor {
    display: inline-block;
    width: 2px;
    height: 1.2em;
    margin-left: 1px;
    vertical-align: text-bottom;
    background: var(--accent);
    animation: blink 1s steps(1) infinite;
}

.tk-key { color: var(--tk-key); }
.tk-type { color: var(--tk-type); }
.tk-str { color: var(--tk-str); }
.tk-num { color: var(--tk-num); }
.tk-fn { color: var(--tk-fn); }
.tk-com { color: var(--tk-com); font-style: italic; }
.tk-meta { color: var(--tk-meta); }

.code-status {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 9px 16px;
    font-size: var(--fs-xs);
    color: var(--text-dim);
    border-top: 1px solid var(--border);
    background: rgba(230, 237, 243, 0.05);
    transition: opacity 0.5s ease, color 0.5s ease;
}

.code-status i {
    color: var(--status);
    margin-right: 6px;
}

.code-status.waiting {
    opacity: 0.35;
}

/* ---------- Tag chips (skills, projects, experience) ---------- */
.skill-tags,
.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tags span,
.project-tech span {
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    padding: 5px 10px;
    border-radius: 6px;
    color: #b8c4cf;
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid var(--border);
    transition: color 0.2s ease, border-color 0.2s ease;
}

.skill-tags span:hover,
.project-tech span:hover {
    color: var(--accent);
    border-color: var(--accent-line);
}

.project-tech {
    margin-bottom: 20px;
}

/* ---------- Featured projects (home) ---------- */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
    margin-bottom: 44px;
}

.feature-card {
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.25s ease, transform 0.25s var(--ease), box-shadow 0.25s ease;
}

.feature-card:hover {
    border-color: var(--accent-line);
    transform: translateY(-4px);
    box-shadow: 0 24px 50px -28px rgba(0, 0, 0, 0.9);
}

.feature-top {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 11px 16px;
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.015);
}

.pkg {
    font-size: var(--fs-xs);
    color: var(--text-dim);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.badge-live {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--fs-xs);
    color: var(--accent);
    padding: 2px 8px;
    border-radius: 999px;
    background: var(--accent-soft);
    border: 1px solid var(--accent-line);
}

.badge-live::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--status);
}

.feature-body {
    padding: 24px 26px 26px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.feature-body h3 {
    font-size: var(--fs-xl);
    margin-bottom: 4px;
}

.feature-sub {
    font-size: var(--fs-xs);
    color: var(--text-muted);
    margin-bottom: 14px;
}

.feature-body > p[itemprop='description'] {
    color: var(--text-muted);
    font-size: var(--fs-base);
    margin-bottom: 20px;
}

.feature-links {
    margin-top: auto;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.feature-links a {
    font-size: var(--fs-md);
    font-weight: 600;
    color: var(--text);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color 0.2s ease;
}

.feature-links a i {
    color: var(--accent);
}

.feature-links a:hover {
    color: var(--accent);
}

.projects-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}

.copy-field,
.copy-inline {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.copy-value {
    color: var(--text);
    font-weight: 600;
}

.copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    color: var(--text-muted);
    background: transparent;
    border: 1px solid var(--border-strong);
    border-radius: 7px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.copy-btn:hover {
    color: var(--accent);
    border-color: var(--accent-line);
}

.copy-btn.copied {
    color: var(--accent);
    border-color: var(--accent);
}

.copy-btn--small {
    padding: 4px 10px;
    font-size: var(--fs-xs);
}

/* ---------- Toast ---------- */
.notification {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: min(420px, calc(100vw - 40px));
    padding: 14px 18px;
    font-size: var(--fs-md);
    color: var(--text);
    background: var(--surface-2);
    border: 1px solid var(--border-strong);
    border-left: 3px solid var(--accent);
    border-radius: 10px;
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.6);
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.3s var(--ease), opacity 0.3s ease;
}

.notification.show {
    transform: translateY(0);
    opacity: 1;
}

.notification i {
    color: var(--accent);
}

.notification-info {
    border-left-color: #f59e0b;
}

.notification-info i {
    color: #f59e0b;
}