/* ============================================================
   Proposal Studio — editorial "paper & ink" design system
   Display: Fraunces · Body: Instrument Sans · Data: JetBrains Mono
   ============================================================ */

:root {
    --paper: #f6f1e7;
    --paper-deep: #ece4d2;
    --card: #fffcf5;
    --ink: #1c1917;
    --ink-soft: #44403c;
    --muted: #78716c;
    --hairline: #e2d9c8;
    --hairline-strong: #cfc3ab;

    --accent: #1a5c45;
    --accent-hover: #124634;
    --accent-soft: #e3eee8;
    --accent-ink: #0e3527;

    --gold: #b45309;
    --gold-soft: #fbf0dd;
    --error: #9f1239;
    --error-soft: #fbe7ec;
    --success: #166534;
    --success-soft: #e6f2e9;

    --font-display: "Fraunces", Georgia, serif;
    --font-body: "Instrument Sans", "Segoe UI", sans-serif;
    --font-mono: "JetBrains Mono", "Cascadia Code", monospace;

    --shadow-card: 0 1px 2px rgba(28, 25, 23, 0.05), 0 8px 24px -12px rgba(28, 25, 23, 0.18);
    --shadow-lift: 0 2px 4px rgba(28, 25, 23, 0.06), 0 14px 32px -12px rgba(28, 25, 23, 0.25);
    --radius: 10px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    color: var(--ink);
    line-height: 1.6;
    background-color: var(--paper);
    background-image:
        radial-gradient(1100px 500px at 85% -10%, rgba(26, 92, 69, 0.09), transparent 60%),
        radial-gradient(900px 420px at -10% 0%, rgba(180, 83, 9, 0.07), transparent 55%),
        repeating-linear-gradient(45deg, rgba(28, 25, 23, 0.012) 0 2px, transparent 2px 6px);
    background-attachment: fixed;
    min-height: 100vh;
}

/* ---------- Navigation ---------- */

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding: 0.9rem 2rem;
    background: rgba(28, 25, 23, 0.96);
    color: var(--paper);
    border-bottom: 3px solid var(--accent);
}

.nav-brand {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.25rem;
    letter-spacing: 0.01em;
    color: var(--paper);
    text-decoration: none;
}

.nav-brand em {
    font-style: italic;
    color: #d8c39a;
}

.nav-links { display: flex; gap: 1.6rem; }

.nav-links a {
    color: rgba(246, 241, 231, 0.72);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    padding-bottom: 2px;
    border-bottom: 2px solid transparent;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.nav-links a:hover { color: var(--paper); }
.nav-links a.active { color: var(--paper); border-bottom-color: #d8c39a; }

/* ---------- Layout ---------- */

main { max-width: 1080px; margin: 0 auto; padding: 2.25rem 1.5rem 4rem; }

.page-head { margin-bottom: 1.75rem; }

.kicker {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--accent);
    margin-bottom: 0.4rem;
}

h1 {
    font-family: var(--font-display);
    font-weight: 550;
    font-size: 2.1rem;
    line-height: 1.15;
    letter-spacing: -0.01em;
}

h2 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--ink);
    margin-bottom: 0.75rem;
}

h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--ink-soft);
    margin-bottom: 0.5rem;
}

.lede { color: var(--muted); font-size: 1rem; margin-top: 0.5rem; max-width: 60ch; }

/* ---------- Cards ---------- */

.card {
    background: var(--card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    padding: 1.5rem;
    margin-bottom: 1.25rem;
}

.reveal { animation: rise 0.55s cubic-bezier(0.22, 1, 0.36, 1) both; }
.reveal:nth-child(2) { animation-delay: 0.07s; }
.reveal:nth-child(3) { animation-delay: 0.14s; }
.reveal:nth-child(4) { animation-delay: 0.21s; }
.reveal:nth-child(5) { animation-delay: 0.28s; }

@keyframes rise {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---------- Buttons ---------- */

.btn {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.55rem 1.15rem;
    border: 1px solid var(--hairline-strong);
    border-radius: 8px;
    background: var(--card);
    color: var(--ink);
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}

.btn:hover { background: var(--paper); transform: translateY(-1px); box-shadow: var(--shadow-card); }
.btn:active { transform: translateY(0); }

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #fdfbf4;
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

.btn-large { font-size: 1.02rem; padding: 0.8rem 1.8rem; border-radius: 9px; }

.btn-small { padding: 0.32rem 0.75rem; font-size: 0.8rem; }

.btn-back { background: transparent; border-color: var(--hairline); color: var(--muted); }
.btn-back:hover { background: var(--paper-deep); color: var(--ink); }

.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn-ghost:hover { background: var(--paper-deep); color: var(--ink); box-shadow: none; }

/* ---------- Badges & tags ---------- */

.status-badge {
    display: inline-block;
    padding: 0.22rem 0.7rem;
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.status-idle { background: var(--paper-deep); color: var(--muted); }
.status-running { background: var(--gold-soft); color: var(--gold); }
.status-done { background: var(--success-soft); color: var(--success); }
.status-error { background: var(--error-soft); color: var(--error); }

.status-step, .status-time { margin-left: 0.75rem; font-size: 0.85rem; color: var(--muted); }
.status-error { margin-top: 0.6rem; color: var(--error); font-size: 0.88rem; font-weight: 500; }

.tag {
    display: inline-block;
    padding: 0.12rem 0.5rem;
    background: var(--paper-deep);
    border: 1px solid var(--hairline);
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--ink-soft);
}

/* ---------- Wizard ---------- */

.summary-bar {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
    padding: 0.7rem 1rem;
    background: var(--accent-soft);
    border: 1px solid rgba(26, 92, 69, 0.25);
    border-radius: 8px;
    margin-bottom: 1rem;
}

.summary-item {
    font-size: 0.83rem;
    font-weight: 500;
    color: var(--accent-ink);
}

.wizard-stage {
    border: 1px solid var(--hairline);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--card);
}

.stage-header {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.8rem 1.1rem;
    background: var(--paper);
    border-bottom: 1px solid var(--hairline);
}

.stage-number {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--ink);
    color: var(--paper);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    flex-shrink: 0;
}

.stage-title { font-weight: 600; font-size: 0.98rem; }
.stage-sub { font-size: 0.83rem; color: var(--muted); }

.stage-body {
    padding: 1.1rem;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.stage-nav { display: flex; gap: 0.6rem; align-items: center; margin-top: 0.3rem; }

/* ---------- Forms ---------- */

.input-group label {
    display: block;
    font-weight: 600;
    font-size: 0.88rem;
    margin-bottom: 0.35rem;
}

input[type="text"], select, textarea {
    font-family: var(--font-body);
    font-size: 0.92rem;
    color: var(--ink);
    padding: 0.55rem 0.8rem;
    border: 1px solid var(--hairline-strong);
    border-radius: 8px;
    background: #fffef9;
    transition: border-color 0.12s ease, box-shadow 0.12s ease;
}

input[type="text"]:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(26, 92, 69, 0.15);
}

.input-group input[type="text"], .stage-body input[type="text"] { width: 100%; max-width: 420px; }

.radio-group { display: flex; flex-direction: column; gap: 0.5rem; }

.radio-label {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-size: 0.9rem;
    cursor: pointer;
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--hairline);
    border-radius: 8px;
    transition: border-color 0.12s ease, background 0.12s ease;
}

.radio-label:hover { border-color: var(--hairline-strong); background: var(--paper); }
.radio-label input[type="radio"] { margin-top: 0.25rem; accent-color: var(--accent); }
.radio-label .option-note { display: block; font-size: 0.8rem; color: var(--muted); }

#client-strategy { width: 100%; resize: vertical; }

#csv-upload-section { margin-top: 0.4rem; padding-left: 0.4rem; }
#csv-upload-status { margin-left: 0.6rem; font-size: 0.82rem; color: var(--muted); }
#csv-upload-status.upload-ok { color: var(--success); font-weight: 500; }
#csv-upload-status.upload-err { color: var(--error); font-weight: 500; }

.label-hint { font-weight: 400; font-size: 0.78rem; color: var(--muted); }

.review-list { list-style: none; display: flex; flex-direction: column; gap: 0.45rem; }
.review-list li { font-size: 0.92rem; color: var(--ink-soft); padding-left: 1.4rem; position: relative; }
.review-list li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

.run-buttons { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* ---------- Progress & log ---------- */

.progress-block { margin-top: 1rem; }

.progress-track {
    background: var(--paper-deep);
    border: 1px solid var(--hairline);
    border-radius: 999px;
    height: 14px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent), #2c7a5b);
    background-size: 200% 100%;
    transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    animation: sheen 2.2s linear infinite;
}

@keyframes sheen {
    from { background-position: 0% 0; }
    to { background-position: 200% 0; }
}

.progress-meta {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--ink-soft);
    margin-top: 0.45rem;
}

.progress-meta #progress-pct { font-family: var(--font-mono); font-weight: 600; color: var(--accent); }

.output-log {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    line-height: 1.55;
    background: #23201c;
    color: #e9e2d2;
    padding: 0.9rem 1rem;
    border-radius: 8px;
    max-height: 300px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
    margin-top: 0.9rem;
}

.log-toggle { margin-top: 0.9rem; }

/* ---------- Success / artifact ---------- */

.success-card {
    border: 1px solid rgba(22, 101, 52, 0.35);
    background: linear-gradient(135deg, var(--success-soft), var(--card) 55%);
}

.success-card h2 { color: var(--success); }

.artifact-row { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; margin-top: 0.75rem; }

/* ---------- Tables & files ---------- */

.file-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.file-table th, .file-table td { padding: 0.6rem 0.75rem; text-align: left; border-bottom: 1px solid var(--hairline); }
.file-table th {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted);
}
.file-table tr { transition: background 0.1s ease; }
.file-table tbody tr:hover { background: var(--paper); }
.file-table a { color: var(--accent); font-weight: 500; text-decoration: none; }
.file-table a:hover { text-decoration: underline; }

.file-list { list-style: none; }
.file-list li { padding: 0.28rem 0; }
.file-list a { color: var(--accent); text-decoration: none; font-size: 0.9rem; }
.file-list a:hover { text-decoration: underline; }

.file-path { margin-bottom: 1rem; font-size: 0.9rem; display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.file-path code {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    background: var(--paper-deep);
    border: 1px solid var(--hairline);
    padding: 0.25rem 0.6rem;
    border-radius: 6px;
}

.code-block {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    background: #23201c;
    color: #e9e2d2;
    padding: 1rem 1.1rem;
    border-radius: 8px;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 600px;
    overflow-y: auto;
}

.markdown-body { font-size: 0.95rem; line-height: 1.7; }
.markdown-body h1, .markdown-body h2, .markdown-body h3 {
    font-family: var(--font-display);
    margin-top: 1.2rem;
    margin-bottom: 0.5rem;
}
.markdown-body ul, .markdown-body ol { padding-left: 1.5rem; }
.markdown-body table { border-collapse: collapse; width: 100%; margin: 0.6rem 0; font-size: 0.88rem; }
.markdown-body th, .markdown-body td { border: 1px solid var(--hairline-strong); padding: 0.45rem 0.65rem; }
.markdown-body th { background: var(--paper); }

/* ---------- Compare ---------- */

.compare-form { margin-bottom: 1.25rem; }
.compare-selects { display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap; }
.compare-selects select { max-width: 360px; font-size: 0.85rem; }

.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.compare-pane { overflow: hidden; }
.compare-pane .code-block { max-height: 500px; }

/* ---------- Settings ---------- */

.section-hint { font-size: 0.85rem; color: var(--muted); margin-bottom: 1rem; max-width: 70ch; }

.setting-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--hairline);
}
.setting-row:last-child { border-bottom: none; }

.setting-info { flex: 1; }
.setting-info .setting-name { font-weight: 600; font-size: 0.95rem; }
.effect-note { font-size: 0.82rem; color: var(--muted); margin-top: 0.2rem; max-width: 58ch; }
.effect-note strong { color: var(--ink-soft); }

/* toggle switch */
.toggle { position: relative; display: inline-block; width: 46px; height: 26px; flex-shrink: 0; margin-top: 0.2rem; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle .slider {
    position: absolute;
    inset: 0;
    background: var(--hairline-strong);
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.18s ease;
}
.toggle .slider::before {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    left: 3px;
    top: 3px;
    background: #fffef9;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(28, 25, 23, 0.3);
    transition: transform 0.18s ease;
}
.toggle input:checked + .slider { background: var(--accent); }
.toggle input:checked + .slider::before { transform: translateX(20px); }
.toggle input:focus-visible + .slider { box-shadow: 0 0 0 3px rgba(26, 92, 69, 0.25); }

.settings-saved {
    display: inline-block;
    margin-left: 0.75rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--success);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.settings-saved.show { opacity: 1; }

.config-file { margin-bottom: 1.4rem; padding-bottom: 1.1rem; border-bottom: 1px solid var(--hairline); }
.config-file:last-child { border-bottom: none; }
.config-file h3 { font-family: var(--font-mono); font-size: 0.82rem; margin-bottom: 0.5rem; color: var(--ink-soft); }

.config-editor {
    width: 100%;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    line-height: 1.5;
    padding: 0.8rem;
    border: 1px solid var(--hairline-strong);
    border-radius: 8px;
    background: #fffef9;
    resize: vertical;
    margin-bottom: 0.5rem;
}

.save-status { margin-left: 0.6rem; font-size: 0.82rem; color: var(--success); font-weight: 500; }

details.advanced { margin-top: 1.25rem; border-top: 2px solid var(--hairline); padding-top: 1rem; }
details.advanced summary {
    cursor: pointer;
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--ink-soft);
    list-style: none;
}
details.advanced summary::before { content: "+ "; font-family: var(--font-mono); color: var(--accent); }
details.advanced[open] summary::before { content: "− "; }

details.log-details { margin-top: 0.9rem; }
details.log-details summary { cursor: pointer; font-size: 0.85rem; color: var(--muted); }

/* ---------- Utilities ---------- */

.hidden { display: none; }

.muted { color: var(--muted); }
.mono { font-family: var(--font-mono); }

@media (max-width: 720px) {
    main { padding: 1.5rem 1rem 3rem; }
    .compare-grid { grid-template-columns: 1fr; }
    .setting-row { flex-direction: column; gap: 0.6rem; }
    nav { flex-direction: column; gap: 0.6rem; }
}

/* ---------- login ---------- */

.login-wrap { display: flex; justify-content: center; padding-top: 8vh; }
.login-card { width: 100%; max-width: 440px; }
.login-form { display: flex; flex-direction: column; gap: 0.9rem; margin-top: 1rem; }
.login-form input[type="password"] { width: 100%; }