@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Shippori+Mincho+B1:wght@400;500;600;700&display=swap');

:root {
    --paper: #FBF6ED;
    --paper-cream: #FBF6ED;
    --paper-deep: #F4ECDD;
    --ink: #0F0E0D;
    --ink-soft: #1A1815;
    --muted: #83715C;
    --muted-soft: #A99780;
    --hairline: #D4C5B4;
    --hairline-soft: #E5DDC8;
    --bronze: #DA913E;
    --bronze-soft: rgba(218, 145, 62, 0.18);
    --bronze-glow: rgba(218, 145, 62, 0.35);
    --bronze-deep: #83715C;
    --senior: rgb(206, 247, 209);
    --junior: rgb(248, 255, 212);
    --surface: #FFFEF8;
    --surface-elev: #FFFFFF;
    --error: #B23A3A;

    --font-display: 'Shippori Mincho B1', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-pill: 999px;

    --shadow-card: 0 1px 0 rgba(15, 14, 13, 0.02), 0 8px 24px rgba(15, 14, 13, 0.06);
    --shadow-card-hover: 0 1px 0 rgba(15, 14, 13, 0.04), 0 16px 40px rgba(15, 14, 13, 0.10);
    --shadow-elev: 0 30px 80px rgba(15, 14, 13, 0.12);
    --shadow-pill-active: 0 2px 14px rgba(15, 14, 13, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.08);

    --t-fast: 120ms ease;
    --t-med: 200ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

html, body {
    height: 100dvh;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    overflow: hidden;
}
body { position: relative; }
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: url('/static/assets/bg-paper-texture.jpg') center / cover no-repeat;
    opacity: 0.10;
    pointer-events: none;
    z-index: 0;
}
body::after {
    content: "";
    position: fixed;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--bronze-soft), transparent 65%);
    pointer-events: none;
    z-index: 0;
    opacity: 0.5;
}
body > * { position: relative; z-index: 1; }

.hidden { display: none !important; }
button { font-family: inherit; }

/* ================= TYPOGRAPHY ================= */
.eyebrow {
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--bronze);
}
.display {
    font-family: var(--font-display);
    font-weight: 500;
    letter-spacing: -0.04em;
    color: var(--ink);
    line-height: 1.05;
}
.display em {
    font-style: italic;
    font-weight: 500;
}
.display-hero { font-size: clamp(48px, 6vw, 88px); letter-spacing: -0.055em; }
.display-md { font-size: clamp(24px, 2.4vw, 32px); }
.display-sm { font-size: 22px; }
.muted-line { color: var(--muted); font-size: 13px; }

/* ================= BUTTONS ================= */
.primary-btn {
    background: var(--ink);
    color: var(--paper);
    border: 1px solid var(--ink);
    padding: 11px 22px;
    border-radius: var(--radius-md);
    font-size: 12px;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--t-fast), box-shadow var(--t-med), opacity var(--t-fast);
    box-shadow: 0 1px 0 rgba(15, 14, 13, 0.04), 0 2px 6px rgba(15, 14, 13, 0.06);
}
.primary-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 0 rgba(15, 14, 13, 0.04), 0 12px 30px rgba(15, 14, 13, 0.18);
}
.primary-btn:active { transform: translateY(0); }
.primary-btn:disabled { opacity: 0.42; cursor: not-allowed; transform: none; box-shadow: none; }
.primary-btn.full { width: 100%; padding: 14px; font-size: 13px; }
.primary-btn.big { padding: 18px; font-size: 13px; letter-spacing: 0.12em; }

.ghost-btn {
    background: transparent;
    color: var(--muted);
    border: 1px solid var(--hairline);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 500;
    cursor: pointer;
    transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}
.ghost-btn:hover { color: var(--ink); border-color: var(--ink-soft); background: rgba(15, 14, 13, 0.02); }
.ghost-btn.full { width: 100%; padding: 11px; }
.ghost-btn.link {
    border: none;
    background: transparent;
    padding: 6px 0;
    color: var(--muted);
    text-transform: none;
    letter-spacing: 0.02em;
    font-size: 12px;
    align-self: flex-start;
}
.ghost-btn.link:hover { color: var(--ink); background: transparent; }

/* ================= LOGIN ================= */
.login-screen {
    height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}
.login-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    text-align: center;
    max-width: 480px;
    padding: 48px 32px;
}
.login-wordmark img { height: 38px; }
.login-card .display-hero { font-size: clamp(56px, 7vw, 88px); margin-top: 4px; }
.login-card .subtitle {
    color: var(--muted);
    font-style: italic;
    margin: 4px 0 18px;
    line-height: 1.55;
}
.login-form {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
}
.login-form input {
    background: var(--surface);
    border: 1px solid var(--hairline);
    color: var(--ink);
    padding: 14px 18px;
    font-size: 15px;
    width: 100%;
    border-radius: var(--radius-md);
    outline: none;
    font-family: inherit;
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.login-form input:focus { border-color: var(--ink); box-shadow: 0 0 0 4px rgba(15, 14, 13, 0.06); }
#login-error {
    color: var(--error);
    min-height: 1.2em;
    font-size: 13px;
    letter-spacing: 0.02em;
}

/* ================= APP SHELL ================= */
.app-shell {
    display: grid;
    grid-template-columns: 280px 1fr;
    height: 100dvh;
    overflow: hidden;
}
.sidebar {
    background: rgba(244, 236, 221, 0.55);
    backdrop-filter: blur(8px);
    border-right: 1px solid var(--hairline);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.sidebar-head {
    padding: 22px 18px 16px;
    border-bottom: 1px solid var(--hairline-soft);
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.brand {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
}
.brand .wordmark {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 22px;
    letter-spacing: -0.04em;
    color: var(--ink);
}
.brand .label {
    font-size: 9px;
    letter-spacing: 0.20em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 600;
}
.sidebar-section {
    padding: 18px 18px 8px;
    font-size: 10px;
    letter-spacing: 0.20em;
    text-transform: uppercase;
    color: var(--bronze);
    font-weight: 700;
}
.sidebar-tabs {
    display: flex;
    gap: 4px;
    padding: 14px 12px 8px;
    border-bottom: 1px solid var(--hairline-soft);
}
.sidebar-tab {
    flex: 1;
    background: transparent;
    border: none;
    padding: 8px 10px;
    font-family: inherit;
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 600;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: color var(--t-fast), background var(--t-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.sidebar-tab:hover {
    color: var(--ink);
    background: var(--surface);
}
.sidebar-tab.active {
    color: var(--bronze);
    background: var(--bronze-soft);
}
.sidebar-tab-count {
    font-size: 10px;
    letter-spacing: 0;
    color: var(--muted-soft);
    font-weight: 500;
    background: var(--paper);
    padding: 1px 6px;
    border-radius: 999px;
    min-width: 16px;
    text-align: center;
}
.sidebar-tab.active .sidebar-tab-count {
    color: var(--bronze);
    background: var(--paper);
}
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0 0 18px;
    font-size: 12px;
    letter-spacing: 0.06em;
}
.breadcrumb .crumb {
    background: transparent;
    border: none;
    padding: 6px 10px;
    font-family: inherit;
    font-size: 12px;
    color: var(--muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: color var(--t-fast), background var(--t-fast);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-weight: 600;
}
.breadcrumb .crumb:hover:not(.active) {
    color: var(--ink);
    background: var(--surface);
}
.breadcrumb .crumb.active {
    color: var(--bronze);
    cursor: default;
}
.breadcrumb .crumb-sep {
    color: var(--muted-soft);
    font-size: 14px;
}
.library-item .li-draft-toggle {
    background: transparent;
    border: 1px solid var(--hairline);
    border-radius: var(--radius-sm);
    padding: 1px 6px;
    font-family: inherit;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted-soft);
    cursor: pointer;
    line-height: 1.4;
    transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}
.library-item .li-draft-toggle:hover {
    color: var(--bronze);
    border-color: var(--bronze);
    background: var(--bronze-soft);
}
.library-item.is-draft .li-draft-toggle {
    color: var(--bronze);
    border-color: var(--bronze);
    background: var(--bronze-soft);
}
.library-item.is-draft .li-tpl::after {
    content: " · DRAFT";
    color: var(--bronze);
    font-weight: 700;
}
.library-item .li-meta-right {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.library-item.is-pending {
    background: var(--surface);
}
.library-item.is-pending .li-tpl::before {
    content: "● ";
    color: var(--bronze);
    animation: pulse 1.4s ease-in-out infinite;
}
.library-item.is-failed .li-tpl::before {
    content: "× ";
    color: var(--error);
    font-weight: 700;
}
.library-item .li-status-pill {
    display: inline-block;
    padding: 1px 7px;
    border-radius: 999px;
    font-size: 9px;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    font-weight: 600;
    background: var(--bronze-soft);
    color: var(--bronze);
    margin-left: 6px;
}
.library-item.is-failed .li-status-pill {
    background: rgba(178, 58, 58, 0.10);
    color: var(--error);
}
@keyframes pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}
.progress-wrap {
    margin-top: 22px;
    width: 100%;
    max-width: 420px;
}
.progress-bar {
    height: 4px;
    background: var(--hairline-soft);
    border-radius: 999px;
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    width: 0%;
    background: var(--bronze);
    border-radius: 999px;
    transition: width 600ms cubic-bezier(0, 0, 0, 1);
}
.progress-meta {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 600;
}
.progress-meta #progress-pct {
    color: var(--bronze);
}
.library {
    flex: 1;
    overflow-y: auto;
    padding: 0 10px 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.library-empty {
    padding: 8px 18px;
    font-size: 12px;
    color: var(--muted-soft);
    font-style: italic;
}
.library-item {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: 11px 44px 11px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 1px solid transparent;
    transition: background var(--t-fast), border-color var(--t-fast);
    position: relative;
}
.library-item .li-delete {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 26px;
    height: 26px;
    border: 1px solid var(--hairline);
    border-radius: var(--radius-sm);
    background: var(--paper);
    color: var(--muted);
    font-size: 18px;
    font-weight: 500;
    line-height: 1;
    cursor: pointer;
    opacity: 1;
    transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
    padding: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}
.library-item .li-delete:hover,
.library-item .li-delete:focus-visible {
    color: var(--error);
    border-color: var(--error);
    background: rgba(178, 58, 58, 0.08);
}
.library-item .li-new-dot {
    position: absolute;
    top: 12px;
    right: 42px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--bronze);
    box-shadow: 0 0 0 3px var(--bronze-soft);
    z-index: 1;
}
.library-item:hover {
    background: var(--surface);
    border-color: var(--hairline-soft);
}
.library-item.active {
    background: var(--surface);
    border-color: var(--bronze);
    box-shadow: 0 0 0 3px var(--bronze-soft);
}
.library-item .li-tpl {
    font-size: 9.5px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--bronze);
    font-weight: 600;
}
.library-item .li-title {
    font-size: 13px;
    color: var(--ink);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.library-item .li-time {
    font-size: 10.5px;
    color: var(--muted-soft);
}
.library-item .li-meta {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px;
    margin-top: 2px;
}
.library-item .li-author {
    font-size: 10.5px;
    color: var(--muted);
    font-weight: 500;
}
.library-item .li-author.you {
    color: var(--bronze);
    font-weight: 600;
}
.sidebar-section-hint {
    font-size: 9.5px;
    letter-spacing: 0.10em;
    color: var(--muted-soft);
    text-transform: none;
    margin-left: 8px;
    font-weight: 500;
}
.sidebar-foot { padding: 14px 18px; border-top: 1px solid var(--hairline-soft); }

/* ================= MAIN ================= */
.main {
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
}
.main-head {
    padding: 16px 28px;
    border-bottom: 1px solid var(--hairline-soft);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    background: rgba(255, 254, 248, 0.5);
    backdrop-filter: blur(6px);
}
.main-head-brand .display-md { font-size: 22px; }
.main-head-brand .display-md em { color: var(--bronze); font-style: italic; }

/* Stage pills */
.stage-pills {
    display: flex;
    gap: 6px;
    padding: 4px;
    background: var(--paper-deep);
    border: 1px solid var(--hairline-soft);
    border-radius: var(--radius-pill);
}
.stage-pills .pill {
    background: transparent;
    color: var(--muted);
    border: none;
    padding: 8px 18px;
    border-radius: var(--radius-pill);
    font-size: 11.5px;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    font-weight: 600;
    cursor: pointer;
    transition: color var(--t-fast), background var(--t-med), box-shadow var(--t-med);
}
.stage-pills .pill:disabled { color: var(--muted-soft); cursor: default; }
.stage-pills .pill:not(:disabled):hover { color: var(--ink); }
.stage-pills .pill.active {
    background: var(--ink);
    color: var(--paper);
    box-shadow: var(--shadow-pill-active);
}

/* ================= STAGE PANE ================= */
.stage-pane { flex: 1; overflow-y: auto; padding: 0; }

/* ================= STAGE 1: GALLERY ================= */
.gallery-stage { padding: 56px 32px 80px; }
.hero {
    max-width: 920px;
    margin: 0 auto 40px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}
.hero .eyebrow { letter-spacing: 0.22em; }
.hero .display-hero {
    font-size: clamp(40px, 5.5vw, 76px);
    line-height: 1.04;
}
.hero .display-hero em { color: var(--bronze); }
.hero-subtitle {
    color: var(--muted);
    max-width: 580px;
    font-size: 14.5px;
    line-height: 1.6;
    margin-top: 4px;
}

.template-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 22px;
    max-width: 1280px;
    margin: 0 auto;
}
.template-card {
    background: var(--surface);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--t-med), box-shadow var(--t-med), border-color var(--t-med);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-card);
    position: relative;
}
.template-card::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: var(--radius-md);
    pointer-events: none;
    box-shadow: 0 0 0 0 var(--bronze-soft);
    transition: box-shadow var(--t-med);
}
.template-card:hover {
    transform: translateY(-3px);
    border-color: var(--bronze);
    box-shadow: var(--shadow-card-hover);
}
.template-card:hover::after { box-shadow: 0 0 0 4px var(--bronze-soft); }
.template-card.scratch {
    background: var(--paper);
    border: 1px dashed var(--hairline);
}
.template-card.scratch:hover {
    border-color: var(--bronze);
    border-style: dashed;
}
.template-card.scratch .scratch-thumb {
    background: var(--paper);
    border-bottom: 1px dashed var(--hairline);
    display: flex;
    align-items: center;
    justify-content: center;
}
.template-card.scratch .scratch-plus {
    font-family: var(--font-display);
    font-size: 64px;
    color: var(--bronze);
    line-height: 0.85;
    font-weight: 300;
    transition: transform var(--t-med);
}
.template-card.scratch:hover .scratch-plus {
    transform: scale(1.08);
}
.template-card.scratch .name em {
    color: var(--bronze);
    font-style: italic;
    font-weight: 500;
}
.template-card .thumb {
    aspect-ratio: 16 / 9;
    background: var(--paper);
    border-bottom: 1px solid var(--hairline-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.template-card .thumb svg,
.template-card .thumb-img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    transition: transform 400ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.template-card:hover .thumb-img,
.template-card:hover .thumb svg { transform: scale(1.03); }
.template-card .meta {
    padding: 16px 18px 18px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.template-card .name {
    font-family: var(--font-display);
    font-size: 19px;
    color: var(--ink);
    letter-spacing: -0.02em;
}
.template-card .tagline {
    font-size: 12.5px;
    color: var(--muted);
    line-height: 1.5;
}
.template-card.custom .name::before {
    content: "★ ";
    color: var(--bronze);
}

/* ================= STAGE 2: BRIEF ================= */
.brief-stage { padding: 36px 32px 60px; }
.brief-grid {
    display: grid;
    grid-template-columns: minmax(360px, 480px) minmax(0, 1fr);
    gap: 36px;
    max-width: 1280px;
    margin: 0 auto;
    align-items: start;
}
.pane-head {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 18px;
}
.pane-head .display-md { font-size: 28px; }
.brief-form-pane {
    background: var(--surface);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-md);
    padding: 28px 26px;
    box-shadow: var(--shadow-card);
}
.brief-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.form-row {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.form-row label {
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}
.form-hint-inline {
    font-size: 10px;
    color: var(--muted);
    text-transform: none;
    letter-spacing: 0.04em;
    font-weight: 500;
    font-style: italic;
}
.form-row textarea, .form-row input[type="text"] {
    background: var(--paper);
    border: 1px solid var(--hairline);
    color: var(--ink);
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 14.5px;
    line-height: 1.55;
    outline: none;
    transition: border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
    resize: vertical;
    min-height: 60px;
}
.form-row textarea:focus, .form-row input[type="text"]:focus {
    border-color: var(--ink-soft);
    background: var(--surface-elev);
    box-shadow: 0 0 0 3px rgba(15, 14, 13, 0.05);
}
.form-hint {
    font-size: 12px;
    color: var(--muted-soft);
    line-height: 1.5;
}
.form-hint.center { text-align: center; }
.ref-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.ref-status { font-size: 12.5px; color: var(--muted); }
.ref-status.has-file { color: var(--ink); font-weight: 500; }
.toggles { flex-direction: row; gap: 18px; padding: 4px 0; }
.toggle {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 13.5px;
    color: var(--ink);
    cursor: pointer;
    text-transform: none;
    letter-spacing: normal;
    font-weight: 500;
}
.toggle input { cursor: pointer; }
.toggle-hint { color: var(--muted); font-weight: 400; }

.brief-preview-pane { display: flex; flex-direction: column; gap: 18px; position: sticky; top: 24px; }
.preview-card {
    border: 1px solid var(--hairline);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--paper);
    box-shadow: var(--shadow-elev);
    aspect-ratio: 16 / 9;
}
.preview-card img { width: 100%; height: 100%; object-fit: cover; display: block; }

.brief-suggest-pane { display: flex; flex-direction: column; gap: 22px; position: sticky; top: 24px; }
.brief-suggest-pane .pane-head .muted-line { line-height: 1.45; }
.suggest-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.suggest-label {
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 600;
    margin: 0;
}
.suggest-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.suggest-chip {
    font-family: inherit;
    font-size: 13px;
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid var(--hairline);
    background: var(--paper);
    color: var(--ink);
    cursor: pointer;
    transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
    text-align: left;
    line-height: 1.3;
}
.suggest-chip:hover {
    border-color: var(--bronze);
    background: var(--bronze-soft);
    color: var(--bronze);
}
.suggest-prompts {
    margin: 0;
    padding-left: 18px;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 14px;
    color: var(--muted);
    line-height: 1.5;
}
.suggest-prompts li {
    position: relative;
}
.suggest-prompts li::before {
    content: "·";
    position: absolute;
    left: -14px;
    color: var(--bronze);
    font-weight: 700;
}
.suggest-prompts strong {
    color: var(--ink);
    font-weight: 600;
}
.suggest-tip {
    border-top: 1px solid var(--hairline-soft);
    padding-top: 18px;
}
.suggest-tip .muted-line { font-size: 13px; line-height: 1.5; }
.suggest-tip em { color: var(--bronze); font-style: italic; }

/* ================= STAGE 3: RESULT ================= */
.result-stage {
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.result-grid {
    flex: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 380px;
    overflow: hidden;
    height: 100%;
}
.result-preview {
    padding: 22px 28px 22px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    overflow: hidden;
}
.result-preview-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}
.selected-template-name {
    font-family: var(--font-display);
    font-size: 24px;
    color: var(--ink);
    letter-spacing: -0.02em;
}
.preview-area {
    flex: 1;
    background: var(--surface);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    min-height: 320px;
    box-shadow: var(--shadow-card);
}
.preview-empty,
.preview-loading {
    text-align: center;
    color: var(--muted);
    padding: 40px;
    z-index: 5;
    background: var(--surface);
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.preview-empty .sparkle {
    font-size: 28px;
    color: var(--bronze);
    margin-bottom: 6px;
    animation: sparkle 2.4s ease-in-out infinite;
}
@keyframes sparkle {
    0%, 100% { opacity: 0.5; transform: scale(0.95); }
    50% { opacity: 1; transform: scale(1.05); }
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--hairline);
    border-top-color: var(--bronze);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-sub { font-size: 12px; color: var(--muted); }

.preview-canvas-stack {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.preview-img, .preview-video, .preview-iframe {
    max-width: 100%;
    max-height: 100%;
    display: block;
}
.preview-iframe { width: 100%; height: 100%; border: none; background: white; }
.annotation-canvas {
    position: absolute;
    inset: 0;
    cursor: crosshair;
    z-index: 10;
}

.preview-tabs {
    display: flex;
    gap: 4px;
    padding: 3px;
    background: var(--paper-deep);
    border: 1px solid var(--hairline-soft);
    border-radius: var(--radius-pill);
}
.preview-tabs .tab {
    background: transparent;
    color: var(--muted);
    border: none;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    font-size: 11px;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    font-weight: 600;
    cursor: pointer;
    transition: color var(--t-fast), background var(--t-med);
}
.preview-tabs .tab:hover { color: var(--ink); }
.preview-tabs .tab.active {
    background: var(--ink);
    color: var(--paper);
    box-shadow: var(--shadow-pill-active);
}

.downloads {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}
.download-btn {
    background: var(--ink);
    color: var(--paper);
    text-decoration: none;
    padding: 11px 18px;
    border-radius: var(--radius-md);
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 600;
    transition: transform var(--t-fast), box-shadow var(--t-med);
    box-shadow: 0 1px 0 rgba(15,14,13,0.04), 0 2px 6px rgba(15,14,13,0.06);
}
.download-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 1px 0 rgba(15,14,13,0.04), 0 10px 24px rgba(15,14,13,0.18);
}
#back-to-brief-btn { margin-left: auto; }

/* TOOLS PANE */
.result-tools {
    border-left: 1px solid var(--hairline-soft);
    background: rgba(244, 236, 221, 0.45);
    backdrop-filter: blur(6px);
    padding: 22px 22px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.tools-block {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--hairline-soft);
}
.tools-block:last-child { border-bottom: none; }

.annotation-tools {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 12px;
    background: var(--surface);
    border: 1px solid var(--hairline-soft);
    border-radius: var(--radius-sm);
}
.brush-row, .tool-row {
    display: flex;
    gap: 8px;
    align-items: center;
}
.brush-btn {
    width: 28px;
    height: 28px;
    border: 2px solid var(--hairline);
    border-radius: 50%;
    cursor: pointer;
    padding: 0;
    transition: border-color var(--t-fast), transform var(--t-fast);
}
.brush-btn:hover { transform: scale(1.06); }
.brush-btn.active {
    border-color: var(--ink);
    transform: scale(1.10);
}
.tool-label {
    font-size: 11px;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--muted);
    margin-left: auto;
    font-weight: 600;
}
#refine-text {
    background: var(--paper);
    border: 1px solid var(--hairline);
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 13.5px;
    line-height: 1.55;
    outline: none;
    resize: vertical;
    min-height: 88px;
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
#refine-text:focus {
    border-color: var(--ink-soft);
    box-shadow: 0 0 0 3px rgba(15, 14, 13, 0.05);
}

.save-block { padding-bottom: 0; }

/* ================= MOBILE ================= */
@media (max-width: 1100px) {
    .brief-grid { grid-template-columns: 1fr; }
    .brief-preview-pane { position: static; }
}
@media (max-width: 900px) {
    .result-grid { grid-template-columns: 1fr; }
    .result-tools { border-left: none; border-top: 1px solid var(--hairline-soft); max-height: 50dvh; }
}
@media (max-width: 720px) {
    .app-shell { grid-template-columns: 1fr; }
    .sidebar { display: none; }
    .main-head { padding: 12px 16px; flex-direction: column; align-items: flex-start; gap: 10px; }
    .main-head-brand .display-md { font-size: 18px; }
    .stage-pills { width: 100%; overflow-x: auto; }
    .stage-pills .pill { padding: 8px 14px; font-size: 11px; }
    .gallery-stage { padding: 32px 18px 60px; }
    .hero { margin-bottom: 28px; }
    .template-gallery { grid-template-columns: 1fr; gap: 16px; }
    .brief-stage { padding: 20px 16px 40px; }
    .brief-form-pane { padding: 20px 18px; }
    .login-card { padding: 32px 20px; }
    .form-row textarea, .form-row input[type="text"] { font-size: 16px; } /* prevents iOS zoom */
}