/* ─────────────────────────────────────────────────────────────
   Resume Tailor · AI
   Palette + type mirror alfrednobelgalido.vercel.app so this
   reads as part of the portfolio, not a stray project.
   ───────────────────────────────────────────────────────────── */

:root {
    --bg:          #0a0a0f;
    --bg-grid:     #6366f10a;
    --surface:     #14141c;
    --surface-2:   #1b1b26;
    --border:      #2a2a3a;
    --border-soft: #21212e;

    --text:        #e8e8f0;
    --text-dim:    #9494a8;
    --text-faint:  #63637a;

    --accent:      #6366f1;
    --accent-soft: #818cf8;
    --accent-glow: #6366f14d;

    --success:     #34d399;
    --danger:      #f87171;

    --font-display: 'Space Grotesk', system-ui, sans-serif;
    --font-body:    'Inter', system-ui, sans-serif;
    --font-mono:    'JetBrains Mono', ui-monospace, monospace;

    --radius:   14px;
    --radius-sm: 9px;
    --maxw:     980px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
    background:
        radial-gradient(900px 500px at 50% -10%, #6366f114, transparent 70%),
        var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

a { color: var(--accent-soft); text-decoration: none; }
a:hover { color: var(--accent); }

/* ── Shell ─────────────────────────────────────────────────── */
.app-shell {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 26px 0 14px;
    border-bottom: 1px solid var(--border-soft);
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { color: var(--accent); font-size: 1.05rem; }
.brand-name {
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: -0.01em;
}
.brand-accent { color: var(--accent); }

.topbar-link {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-faint);
}
.topbar-link:hover { color: var(--accent-soft); }

.content { flex: 1 0 auto; padding: 48px 0 24px; }

.footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 22px 0 30px;
    margin-top: 40px;
    border-top: 1px solid var(--border-soft);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-faint);
    flex-wrap: wrap;
}

/* ── Hero ──────────────────────────────────────────────────── */
.hero { margin-bottom: 40px; }

.eyebrow {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent-soft);
    margin: 0 0 16px;
}

.hero h1 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(2rem, 5vw, 3.1rem);
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin: 0 0 18px;
}

.lede {
    max-width: 62ch;
    font-size: 1.06rem;
    color: var(--text-dim);
    margin: 0;
}

.text-link { font-family: var(--font-mono); font-size: 0.85rem; }

/* ── Inputs ────────────────────────────────────────────────── */
.workspace { display: flex; flex-direction: column; gap: 26px; }

.inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.field { display: flex; flex-direction: column; gap: 9px; }

.field-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

.field-label {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-dim);
}

.upload-btn {
    position: relative;
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--accent-soft);
    background: transparent;
    border: 1px solid var(--accent);
    border-radius: 6px;
    padding: 5px 12px;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}
.upload-btn:hover { background: var(--accent); color: #fff; }
.upload-btn input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}
.upload-btn input[type="file"]:disabled { cursor: not-allowed; }

.input {
    width: 100%;
    resize: vertical;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.86rem;
    line-height: 1.65;
    padding: 16px 18px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.input::placeholder { color: var(--text-faint); }
.input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.input:disabled { opacity: 0.55; cursor: not-allowed; }

/* ── Action ────────────────────────────────────────────────── */
.actions {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}

.run-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.98rem;
    padding: 13px 26px;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.06s ease, box-shadow 0.15s ease;
    box-shadow: 0 6px 22px -8px var(--accent);
}
.run-btn:hover:not(:disabled) { background: var(--accent-soft); }
.run-btn:active:not(:disabled) { transform: translateY(1px); }
.run-btn:disabled { opacity: 0.6; cursor: default; box-shadow: none; }
.run-btn:focus-visible { outline: 2px solid var(--accent-soft); outline-offset: 3px; }

.privacy-note { font-size: 0.82rem; color: var(--text-faint); }

.spinner {
    width: 15px; height: 15px;
    border: 2px solid #ffffff66;
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Pipeline (signature element) ──────────────────────────── */
.pipeline {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.stage {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 16px 20px;
    background: var(--surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    transition: border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.stage-num {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-faint);
    width: 2ch;
    transition: color 0.25s ease;
}

.stage-body { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.stage-name {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
}
.stage-desc { font-size: 0.85rem; color: var(--text-dim); }

.stage-status {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-faint);
    white-space: nowrap;
}

.stage.is-running {
    border-color: var(--accent);
    background: linear-gradient(90deg, #6366f114, var(--surface) 55%);
    box-shadow: 0 0 0 1px var(--accent-glow), 0 8px 30px -14px var(--accent);
    animation: breathe 1.8s ease-in-out infinite;
}
.stage.is-running .stage-num { color: var(--accent-soft); }
.stage.is-running .stage-status { color: var(--accent-soft); }

.stage.is-complete .stage-num { color: var(--success); }
.stage.is-complete .stage-status { color: var(--success); }

.stage.is-failed { border-color: var(--danger); }
.stage.is-failed .stage-num,
.stage.is-failed .stage-status { color: var(--danger); }

@keyframes breathe {
    0%, 100% { box-shadow: 0 0 0 1px var(--accent-glow), 0 8px 30px -16px var(--accent); }
    50%      { box-shadow: 0 0 0 1px var(--accent), 0 10px 34px -10px var(--accent); }
}

/* ── Alert ─────────────────────────────────────────────────── */
.alert {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px 20px;
    border: 1px solid var(--danger);
    background: #f8717112;
    border-radius: var(--radius);
    color: #fecaca;
    font-size: 0.92rem;
}
.alert strong { color: var(--danger); }

/* ── Result ────────────────────────────────────────────────── */
.result {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    overflow: hidden;
}

.result-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-soft);
    background: var(--surface-2);
    flex-wrap: wrap;
}
.result-head h2 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    margin: 0;
}

.result-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-dim);
    padding: 4px 9px;
    border: 1px solid var(--border);
    border-radius: 6px;
}

.copy-btn {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--accent-soft);
    background: transparent;
    border: 1px solid var(--accent);
    border-radius: 6px;
    padding: 5px 12px;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}
.copy-btn:hover { background: var(--accent); color: #fff; }

/* Rendered markdown */
.rendered { padding: 26px 28px; font-size: 0.95rem; }
.rendered.dim { color: var(--text-dim); padding-top: 4px; }
.rendered h1, .rendered h2, .rendered h3 {
    font-family: var(--font-display);
    letter-spacing: -0.01em;
    margin: 1.3em 0 0.5em;
    line-height: 1.25;
}
.rendered h1 { font-size: 1.4rem; }
.rendered h2 { font-size: 1.15rem; }
.rendered h3 { font-size: 1rem; color: var(--accent-soft); }
.rendered > :first-child { margin-top: 0; }
.rendered p { margin: 0.6em 0; }
.rendered ul, .rendered ol { margin: 0.5em 0; padding-left: 1.3em; }
.rendered li { margin: 0.25em 0; }
.rendered strong { color: var(--text); font-weight: 600; }
.rendered a { text-decoration: underline; }
.rendered code {
    font-family: var(--font-mono);
    font-size: 0.85em;
    background: var(--surface-2);
    padding: 2px 6px;
    border-radius: 5px;
}
.rendered hr { border: none; border-top: 1px solid var(--border-soft); margin: 1.4em 0; }

/* Reasoning disclosure */
.reasoning { border-top: 1px solid var(--border-soft); }
.reasoning summary {
    cursor: pointer;
    padding: 15px 24px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-dim);
    list-style: none;
    user-select: none;
}
.reasoning summary::-webkit-details-marker { display: none; }
.reasoning summary::before { content: '▸ '; color: var(--accent); }
.reasoning[open] summary::before { content: '▾ '; }
.reasoning summary:hover { color: var(--text); }
.reasoning-body { padding: 0 4px 18px; }
.reasoning-body h3 {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-faint);
    padding: 10px 28px 0;
    margin: 0;
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 720px) {
    .inputs { grid-template-columns: 1fr; }
    .content { padding: 32px 0 16px; }
    .hero-break { display: none; }
    .actions { flex-direction: column; align-items: flex-start; gap: 12px; }
    .run-btn { width: 100%; justify-content: center; }
}

/* ── Motion preference ─────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .stage.is-running { animation: none; }
    .spinner { animation-duration: 1.4s; }
    * { scroll-behavior: auto; }
}