:root {
  --bg: #f6f6fb;
  --surface: #ffffff;
  --surface-2: #f1f0f8;
  --surface-3: #e9e7f2;
  --text: #171521;
  --muted: #6f6b7b;
  --subtle: #9792a2;
  --border: #e4e1eb;
  --border-strong: #d4cfdf;
  --primary: #6d4aff;
  --primary-2: #8a6cff;
  --primary-soft: #eee9ff;
  --primary-contrast: #ffffff;
  --danger: #d84757;
  --danger-soft: #fff0f2;
  --success: #118863;
  --success-soft: #e9faf4;
  --warning: #9a6500;
  --warning-soft: #fff7df;
  --shadow-sm: 0 4px 18px rgba(31, 22, 64, .07);
  --shadow-md: 0 18px 50px rgba(31, 22, 64, .13);
  --shadow-lg: 0 30px 80px rgba(31, 22, 64, .2);
  --header-h: 68px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition: 160ms ease;
}

[data-theme="dark"] {
  --bg: #0f0e14;
  --surface: #17151e;
  --surface-2: #1f1c29;
  --surface-3: #282432;
  --text: #f5f2fb;
  --muted: #aaa4b7;
  --subtle: #7f788d;
  --border: #302b3b;
  --border-strong: #40394e;
  --primary: #8a6cff;
  --primary-2: #a58fff;
  --primary-soft: #2b214f;
  --primary-contrast: #ffffff;
  --danger: #ff7382;
  --danger-soft: #3b1d25;
  --success: #53d2a6;
  --success-soft: #16352d;
  --warning: #f3bc52;
  --warning-soft: #382d18;
  --shadow-sm: 0 6px 20px rgba(0, 0, 0, .28);
  --shadow-md: 0 18px 54px rgba(0, 0, 0, .38);
  --shadow-lg: 0 32px 90px rgba(0, 0, 0, .5);
}

@media (prefers-color-scheme: dark) {
  html[data-theme="auto"] {
    --bg: #0f0e14;
    --surface: #17151e;
    --surface-2: #1f1c29;
    --surface-3: #282432;
    --text: #f5f2fb;
    --muted: #aaa4b7;
    --subtle: #7f788d;
    --border: #302b3b;
    --border-strong: #40394e;
    --primary: #8a6cff;
    --primary-2: #a58fff;
    --primary-soft: #2b214f;
    --primary-contrast: #ffffff;
    --danger: #ff7382;
    --danger-soft: #3b1d25;
    --success: #53d2a6;
    --success-soft: #16352d;
    --warning: #f3bc52;
    --warning-soft: #382d18;
    --shadow-sm: 0 6px 20px rgba(0, 0, 0, .28);
    --shadow-md: 0 18px 54px rgba(0, 0, 0, .38);
    --shadow-lg: 0 32px 90px rgba(0, 0, 0, .5);
  }
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; min-height: 100vh; color: var(--text); background: var(--bg); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
a { color: inherit; }
svg { width: 1.25em; height: 1.25em; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.svg-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.svg-sprite #i-logo path, .brand-mark svg, .progress-logo svg, .sheet-logo svg { fill: currentColor; stroke: none; }
[hidden] { display: none !important; }

button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid color-mix(in srgb, var(--primary) 35%, transparent); outline-offset: 2px; }

.app-header { position: sticky; top: 0; z-index: 80; height: var(--header-h); border-bottom: 1px solid color-mix(in srgb, var(--border) 82%, transparent); background: color-mix(in srgb, var(--surface) 88%, transparent); backdrop-filter: blur(18px); }
.header-main { width: min(1440px, 100%); height: 100%; margin: 0 auto; padding: 0 28px; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; border: 0; background: transparent; padding: 6px 0; cursor: pointer; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 11px; background: linear-gradient(135deg, var(--primary), #a44cff); color: white; box-shadow: 0 8px 24px rgba(109, 74, 255, .28); }
.brand-mark svg { width: 23px; height: 23px; }
.brand-name { font-size: 20px; line-height: 1; font-weight: 800; letter-spacing: -.6px; }
.brand-name span { color: var(--primary); }
.version-badge { margin-left: -3px; padding: 3px 6px; border: 1px solid var(--border); border-radius: 6px; color: var(--muted); background: var(--surface-2); font-size: 10px; font-weight: 800; }
.desktop-menu { display: flex; align-items: center; gap: 2px; }
.menu-wrap { position: relative; }
.menu-button { display: inline-flex; align-items: center; gap: 5px; min-height: 38px; padding: 0 12px; border: 0; border-radius: 9px; background: transparent; color: var(--muted); font-weight: 650; cursor: pointer; transition: background var(--transition), color var(--transition); }
.menu-button:hover, .menu-button[aria-expanded="true"] { background: var(--surface-2); color: var(--text); }
.menu-button svg { width: 14px; height: 14px; transition: transform var(--transition); }
.menu-button[aria-expanded="true"] svg { transform: rotate(180deg); }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.status-pill { display: inline-flex; align-items: center; gap: 7px; height: 34px; padding: 0 11px; border: 1px solid color-mix(in srgb, var(--success) 22%, var(--border)); border-radius: 999px; color: var(--success); background: var(--success-soft); font-size: 12px; font-weight: 750; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 4px color-mix(in srgb, var(--success) 13%, transparent); }
.icon-button { min-width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center; gap: 5px; padding: 0 9px; border: 1px solid transparent; border-radius: 10px; background: transparent; color: var(--muted); cursor: pointer; transition: background var(--transition), color var(--transition), border var(--transition); }
.icon-button:hover, .icon-button[aria-expanded="true"] { background: var(--surface-2); color: var(--text); border-color: var(--border); }
.icon-button span { font-size: 11px; font-weight: 800; }
.mobile-menu-button { display: none; }

.dropdown { position: absolute; top: calc(100% + 9px); left: 0; z-index: 120; width: 320px; padding: 8px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); box-shadow: var(--shadow-md); animation: dropdown-in 130ms ease-out; }
.dropdown-right { right: 0; left: auto; }
.dropdown.compact { width: 250px; }
.dropdown > button, .dropdown > a { width: 100%; min-height: 50px; display: flex; align-items: center; gap: 11px; padding: 9px 10px; border: 0; border-radius: 10px; text-decoration: none; text-align: left; background: transparent; color: var(--text); cursor: pointer; }
.dropdown.compact > button { min-height: 42px; }
.dropdown > button:hover, .dropdown > a:hover { background: var(--surface-2); }
.dropdown > button > svg, .dropdown > a > svg { flex: 0 0 auto; width: 19px; height: 19px; color: var(--primary); }
.dropdown button > span:not(.language-code) { display: flex; flex: 1; flex-direction: column; gap: 2px; }
.dropdown button strong { font-size: 13px; }
.dropdown button small { color: var(--muted); font-size: 11px; }
.dropdown kbd { padding: 3px 6px; border: 1px solid var(--border); border-radius: 5px; background: var(--surface-2); color: var(--subtle); font: 10px ui-monospace, monospace; }
.menu-separator { height: 1px; margin: 6px 4px; background: var(--border); }
.language-menu { width: 210px !important; }
.language-menu button { display: grid !important; grid-template-columns: 32px 1fr 20px; }
.language-code { width: 29px; height: 24px; display: grid; place-items: center; border-radius: 6px; background: var(--primary-soft); color: var(--primary); font-size: 10px; font-weight: 850; }
.language-check, .theme-check { margin-left: auto; opacity: 0; color: var(--primary) !important; }
.language-menu button.active .language-check, [data-theme-choice].active .theme-check { opacity: 1; }
@keyframes dropdown-in { from { opacity: 0; transform: translateY(-5px) scale(.98); } to { opacity: 1; transform: none; } }

.home-view, .workspace-view { display: none; }
.home-view.active, .workspace-view.active { display: block; }
.hero-shell { width: min(1240px, calc(100% - 48px)); min-height: 580px; margin: 0 auto; padding: 72px 0 44px; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 64px; }
.hero-copy { position: relative; z-index: 2; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 18px; padding: 8px 12px; border: 1px solid color-mix(in srgb, var(--primary) 22%, var(--border)); border-radius: 999px; background: var(--primary-soft); color: var(--primary); font-size: 12px; font-weight: 800; letter-spacing: .02em; }
.pulse-dot { position: relative; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.pulse-dot::after { content: ""; position: absolute; inset: -4px; border: 1px solid currentColor; border-radius: inherit; opacity: .3; animation: pulse 1.8s infinite; }
@keyframes pulse { 0%, 100% { transform: scale(.8); opacity: .2; } 50% { transform: scale(1.15); opacity: .55; } }
.hero-copy h1 { max-width: 720px; margin: 0; font-size: clamp(42px, 5vw, 70px); line-height: .99; letter-spacing: -3.5px; font-weight: 860; }
.hero-copy > p { max-width: 650px; margin: 25px 0 0; color: var(--muted); font-size: 18px; line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 31px; }
.primary-button, .secondary-button, .toolbar-button, .back-button, .text-button { border: 0; cursor: pointer; transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border var(--transition); }
.primary-button, .secondary-button { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 0 16px; border-radius: 11px; font-weight: 750; }
.primary-button.large, .secondary-button.large { min-height: 50px; padding: 0 20px; border-radius: 13px; }
.primary-button { background: linear-gradient(135deg, var(--primary), #864cff); color: var(--primary-contrast); box-shadow: 0 10px 25px rgba(109, 74, 255, .23); }
.primary-button:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 14px 32px rgba(109, 74, 255, .31); }
.primary-button:disabled { opacity: .45; cursor: not-allowed; box-shadow: none; }
.secondary-button { border: 1px solid var(--border-strong); background: var(--surface); color: var(--text); box-shadow: var(--shadow-sm); }
.secondary-button:hover { transform: translateY(-1px); border-color: color-mix(in srgb, var(--primary) 35%, var(--border)); }
.privacy-line { display: flex; align-items: center; gap: 8px; margin-top: 20px; color: var(--muted); font-size: 12px; }
.privacy-line svg { width: 16px; height: 16px; color: var(--success); }

.hero-visual { position: relative; min-height: 450px; display: grid; place-items: center; perspective: 1100px; }
.visual-glow { position: absolute; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--primary) 27%, transparent), transparent 65%); filter: blur(8px); }
.pdf-stack { position: absolute; width: 280px; height: 355px; border-radius: 20px; transform: rotate(8deg) translate(40px, -6px); background: linear-gradient(145deg, color-mix(in srgb, var(--surface) 80%, var(--primary-soft)), var(--surface-2)); border: 1px solid var(--border); box-shadow: var(--shadow-md); }
.pdf-stack::before { content: ""; position: absolute; inset: 30px 24px; border-radius: 9px; background: repeating-linear-gradient(to bottom, var(--border) 0 5px, transparent 5px 18px); opacity: .8; }
.pdf-sheet { position: relative; width: 300px; height: 390px; padding: 34px 30px; border: 1px solid color-mix(in srgb, var(--border) 75%, white); border-radius: 22px; background: linear-gradient(160deg, #fff, #f6f2ff 70%); box-shadow: 0 35px 85px rgba(41, 24, 98, .25); transform: rotate(-5deg) translate(-15px, 6px); color: #302a43; overflow: hidden; }
[data-theme="dark"] .pdf-sheet { background: linear-gradient(160deg, #292432, #1b1822 70%); color: #eee9fa; }
@media (prefers-color-scheme: dark) { html[data-theme="auto"] .pdf-sheet { background: linear-gradient(160deg, #292432, #1b1822 70%); color: #eee9fa; } }
.pdf-tab { position: absolute; top: 22px; right: 22px; padding: 6px 9px; border-radius: 7px; background: var(--primary); color: white; font-size: 11px; font-weight: 900; letter-spacing: .08em; }
.sheet-logo { width: 50px; height: 50px; display: grid; place-items: center; border-radius: 14px; background: var(--primary-soft); color: var(--primary); }
.sheet-logo svg { width: 32px; height: 32px; }
.sheet-lines { display: grid; gap: 13px; margin-top: 38px; }
.sheet-lines span { height: 7px; border-radius: 99px; background: color-mix(in srgb, currentColor 13%, transparent); }
.sheet-lines span:nth-child(2) { width: 76%; }
.sheet-lines span:nth-child(4) { width: 62%; }
.sheet-chart { height: 115px; display: flex; align-items: end; gap: 12px; margin-top: 34px; padding: 16px 18px; border-radius: 15px; background: color-mix(in srgb, var(--primary) 8%, transparent); }
.sheet-chart i { flex: 1; border-radius: 7px 7px 3px 3px; background: linear-gradient(to top, var(--primary), var(--primary-2)); }
.sheet-chart i:nth-child(1) { height: 37%; }.sheet-chart i:nth-child(2) { height: 65%; }.sheet-chart i:nth-child(3) { height: 48%; }.sheet-chart i:nth-child(4) { height: 84%; }
.floating-chip { position: absolute; z-index: 3; display: flex; align-items: center; gap: 8px; padding: 11px 14px; border: 1px solid var(--border); border-radius: 12px; background: color-mix(in srgb, var(--surface) 90%, transparent); box-shadow: var(--shadow-md); backdrop-filter: blur(12px); font-size: 12px; font-weight: 800; animation: float 4s ease-in-out infinite; }
.floating-chip svg { color: var(--primary); }
.chip-one { left: 2%; top: 22%; }.chip-two { right: 0; bottom: 21%; animation-delay: -1.6s; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

.tools-section { width: min(1240px, calc(100% - 48px)); margin: 30px auto 0; padding: 56px 0; }
.section-heading { display: grid; grid-template-columns: 1fr minmax(280px, 480px); align-items: end; gap: 40px; margin-bottom: 28px; }
.section-kicker { display: block; margin-bottom: 7px; color: var(--primary); font-size: 11px; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
.section-heading h2 { margin: 0; font-size: clamp(28px, 3vw, 42px); letter-spacing: -1.6px; }
.section-heading p { margin: 0; color: var(--muted); line-height: 1.65; }
.tool-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.tool-card { position: relative; min-height: 154px; display: grid; grid-template-columns: 50px 1fr 28px; align-items: start; gap: 15px; padding: 22px; border: 1px solid var(--border); border-radius: 17px; background: var(--surface); color: var(--text); text-align: left; cursor: pointer; box-shadow: var(--shadow-sm); transition: transform var(--transition), border var(--transition), box-shadow var(--transition); overflow: hidden; }
.tool-card::after { content: ""; position: absolute; width: 120px; height: 120px; right: -55px; bottom: -65px; border-radius: 50%; background: var(--primary-soft); opacity: .5; transition: transform var(--transition); }
.tool-card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--primary) 35%, var(--border)); box-shadow: var(--shadow-md); }
.tool-card:hover::after { transform: scale(1.2); }
.tool-card.featured { border-color: color-mix(in srgb, var(--primary) 28%, var(--border)); background: linear-gradient(145deg, var(--surface), color-mix(in srgb, var(--primary-soft) 55%, var(--surface))); }
.tool-icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 13px; }
.tool-icon svg { width: 24px; height: 24px; }
.tool-icon.violet { color: #6d4aff; background: #eee9ff; }.tool-icon.blue { color: #2774d8; background: #e8f2ff; }.tool-icon.coral { color: #d85d63; background: #ffebed; }.tool-icon.green { color: #178b68; background: #e5f8f1; }.tool-icon.amber { color: #a16a00; background: #fff3d7; }.tool-icon.slate { color: #59647b; background: #edf0f5; }
[data-theme="dark"] .tool-icon { filter: saturate(.9) brightness(.85); }
.tool-copy { display: flex; flex-direction: column; gap: 8px; padding-top: 2px; }
.tool-copy strong { font-size: 16px; line-height: 1.25; }
.tool-copy small { color: var(--muted); font-size: 13px; line-height: 1.45; }
.card-arrow { position: relative; z-index: 2; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 8px; color: var(--subtle); background: var(--surface-2); }
.tool-card:hover .card-arrow { color: var(--primary); }
.principles-strip { width: min(1240px, calc(100% - 48px)); margin: 35px auto 70px; display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--border); border-radius: 18px; background: var(--surface); box-shadow: var(--shadow-sm); overflow: hidden; }
.principles-strip > div { min-height: 95px; display: flex; align-items: center; gap: 13px; padding: 20px 24px; border-right: 1px solid var(--border); }
.principles-strip > div:last-child { border-right: 0; }
.principles-strip > div > svg { width: 25px; height: 25px; color: var(--primary); }
.principles-strip span { display: flex; flex-direction: column; gap: 4px; }
.principles-strip strong { font-size: 13px; }.principles-strip small { color: var(--muted); font-size: 11px; line-height: 1.4; }

.workspace-view { min-height: calc(100vh - var(--header-h)); }
.workspace-topbar { width: min(1500px, 100%); min-height: 112px; margin: 0 auto; padding: 22px 30px; display: flex; justify-content: space-between; align-items: center; gap: 30px; border-bottom: 1px solid var(--border); }
.workspace-title-wrap { display: flex; align-items: center; gap: 22px; }
.back-button { display: inline-flex; align-items: center; gap: 6px; padding: 8px 10px; border-radius: 9px; background: transparent; color: var(--muted); font-size: 12px; font-weight: 700; white-space: nowrap; }
.back-button:hover { background: var(--surface-2); color: var(--text); }
.back-button svg { width: 16px; height: 16px; }
.workspace-title-wrap h1 { margin: 2px 0 3px; font-size: 25px; letter-spacing: -.8px; }
.workspace-title-wrap p { margin: 0; color: var(--muted); font-size: 12px; }
.workspace-kicker { color: var(--primary); font-size: 10px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.workspace-actions { display: flex; gap: 9px; }
.workspace-layout { width: min(1500px, 100%); min-height: calc(100vh - var(--header-h) - 112px); margin: 0 auto; display: grid; grid-template-columns: 286px minmax(0, 1fr); }
.tool-sidebar { padding: 24px 20px; border-right: 1px solid var(--border); background: color-mix(in srgb, var(--surface) 80%, var(--bg)); }
.sidebar-label { display: block; margin: 0 0 13px; color: var(--subtle); font-size: 10px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.sidebar-section { position: sticky; top: calc(var(--header-h) + 18px); }
.option-card { display: grid; gap: 14px; }
.option-group { display: grid; gap: 7px; }
.option-group label, .option-title { color: var(--muted); font-size: 11px; font-weight: 750; }
.input, .select, .textarea { width: 100%; border: 1px solid var(--border-strong); border-radius: 9px; background: var(--surface); color: var(--text); transition: border var(--transition), box-shadow var(--transition); }
.input, .select { height: 39px; padding: 0 11px; }
.textarea { min-height: 78px; padding: 10px 11px; resize: vertical; }
.input:hover, .select:hover, .textarea:hover { border-color: color-mix(in srgb, var(--primary) 35%, var(--border)); }
.input-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.segmented { display: grid; grid-template-columns: repeat(var(--segments, 2), 1fr); gap: 4px; padding: 4px; border-radius: 10px; background: var(--surface-2); }
.segmented button { min-height: 33px; padding: 5px 7px; border: 0; border-radius: 7px; background: transparent; color: var(--muted); font-size: 11px; font-weight: 750; cursor: pointer; }
.segmented button.active { background: var(--surface); color: var(--primary); box-shadow: var(--shadow-sm); }
.checkbox-row { display: flex; align-items: flex-start; gap: 9px; padding: 4px 0; color: var(--muted); font-size: 12px; line-height: 1.45; cursor: pointer; }
.checkbox-row input { width: 16px; height: 16px; margin: 1px 0 0; accent-color: var(--primary); }
.option-help { margin: -4px 0 0; color: var(--subtle); font-size: 10px; line-height: 1.45; }
.color-input-row { display: grid; grid-template-columns: 42px 1fr; gap: 8px; }
.color-input { width: 42px; height: 39px; padding: 4px; border: 1px solid var(--border-strong); border-radius: 9px; background: var(--surface); }
.sidebar-privacy { position: sticky; top: calc(100vh - 165px); display: flex; align-items: flex-start; gap: 9px; margin-top: 30px; padding: 12px; border: 1px solid color-mix(in srgb, var(--success) 18%, var(--border)); border-radius: 11px; background: var(--success-soft); color: var(--success); }
.sidebar-privacy svg { flex: 0 0 auto; width: 17px; height: 17px; margin-top: 1px; }
.sidebar-privacy strong { display: block; margin-bottom: 3px; font-size: 11px; }
.sidebar-privacy p { margin: 0; color: color-mix(in srgb, var(--success) 78%, var(--muted)); font-size: 9px; line-height: 1.45; }
.workspace-content { padding: 28px; overflow: hidden; }
.drop-zone { min-height: 475px; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 50px 24px; border: 2px dashed color-mix(in srgb, var(--primary) 28%, var(--border-strong)); border-radius: 22px; background: radial-gradient(circle at center, color-mix(in srgb, var(--primary-soft) 48%, transparent), transparent 58%), var(--surface); text-align: center; transition: border var(--transition), background var(--transition), transform var(--transition); }
.drop-zone.drag-active { border-color: var(--primary); background: var(--primary-soft); transform: scale(.997); }
.drop-icon { width: 72px; height: 72px; display: grid; place-items: center; margin-bottom: 20px; border-radius: 20px; background: var(--primary-soft); color: var(--primary); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--primary) 12%, transparent); }
.drop-icon svg { width: 34px; height: 34px; }
.drop-zone h2 { margin: 0; font-size: 24px; letter-spacing: -.7px; }
.drop-zone p { margin: 8px 0 20px; color: var(--muted); }
.drop-zone small { margin-top: 15px; color: var(--subtle); font-size: 10px; }
.workspace-loaded { min-height: 400px; }
.loaded-toolbar { min-height: 55px; display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 18px; padding: 8px 10px 8px 15px; border: 1px solid var(--border); border-radius: 13px; background: var(--surface); box-shadow: var(--shadow-sm); }
.file-summary { display: flex; align-items: baseline; gap: 9px; }
.file-summary strong { font-size: 13px; }.file-summary span { color: var(--muted); font-size: 11px; }
.loaded-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 4px; }
.toolbar-button { min-height: 34px; display: inline-flex; align-items: center; gap: 6px; padding: 0 10px; border-radius: 8px; background: transparent; color: var(--muted); font-size: 11px; font-weight: 750; }
.toolbar-button:hover { background: var(--surface-2); color: var(--text); }
.toolbar-button.danger:hover { background: var(--danger-soft); color: var(--danger); }
.toolbar-button svg { width: 15px; height: 15px; }
.page-grid, .image-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 16px; align-items: start; }
.page-card, .image-card { position: relative; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); box-shadow: var(--shadow-sm); overflow: hidden; transition: transform var(--transition), border var(--transition), box-shadow var(--transition); }
.page-card:hover, .image-card:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--primary) 32%, var(--border)); box-shadow: var(--shadow-md); }
.page-card.selected, .image-card.selected { border-color: var(--primary); box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary) 22%, transparent), var(--shadow-sm); }
.page-card.dragging, .image-card.dragging { opacity: .45; transform: scale(.98); }
.page-card.drag-over, .image-card.drag-over { border-color: var(--primary); transform: translateY(-4px); }
.page-preview, .image-preview { position: relative; height: 220px; display: grid; place-items: center; padding: 13px; background: linear-gradient(145deg, var(--surface-2), color-mix(in srgb, var(--surface-3) 60%, var(--surface))); overflow: hidden; }
.page-preview canvas, .page-preview > img.page-thumb { max-width: 100%; max-height: 100%; display: block; border-radius: 3px; background: white; box-shadow: 0 6px 18px rgba(20, 16, 35, .14); transform: rotate(var(--rotation, 0deg)); transition: transform 180ms ease; }
.image-preview img { width: 100%; height: 100%; object-fit: contain; border-radius: 5px; }
.page-select, .image-select { position: absolute; top: 9px; left: 9px; z-index: 3; width: 24px; height: 24px; display: grid; place-items: center; padding: 0; border: 1px solid var(--border-strong); border-radius: 7px; background: color-mix(in srgb, var(--surface) 90%, transparent); color: transparent; box-shadow: var(--shadow-sm); cursor: pointer; }
.selected .page-select, .selected .image-select { border-color: var(--primary); background: var(--primary); color: white; }
.page-select svg, .image-select svg { width: 14px; height: 14px; }
.page-index { position: absolute; top: 9px; right: 9px; z-index: 3; min-width: 25px; height: 24px; display: grid; place-items: center; padding: 0 6px; border-radius: 7px; background: color-mix(in srgb, var(--surface) 92%, transparent); color: var(--muted); box-shadow: var(--shadow-sm); font-size: 10px; font-weight: 850; }
.page-footer, .image-footer { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 7px; padding: 10px 10px 10px 12px; border-top: 1px solid var(--border); }
.page-info, .image-info { min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.page-info strong, .image-info strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 11px; }
.page-info small, .image-info small { color: var(--muted); font-size: 9px; }
.card-actions { display: flex; gap: 2px; }
.card-icon-button { width: 29px; height: 29px; display: grid; place-items: center; padding: 0; border: 0; border-radius: 7px; background: transparent; color: var(--muted); cursor: pointer; }
.card-icon-button:hover { background: var(--surface-2); color: var(--primary); }
.card-icon-button.danger:hover { background: var(--danger-soft); color: var(--danger); }
.card-icon-button svg { width: 14px; height: 14px; }
.empty-result { grid-column: 1 / -1; min-height: 300px; display: grid; place-items: center; color: var(--muted); text-align: center; }

.drag-overlay { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 24px; background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: blur(12px); pointer-events: none; }
.drag-overlay::before { content: ""; position: absolute; inset: 18px; border: 3px dashed var(--primary); border-radius: 25px; background: color-mix(in srgb, var(--primary-soft) 68%, transparent); }
.drag-overlay > div { position: relative; display: flex; flex-direction: column; align-items: center; text-align: center; }
.drag-overlay-icon { width: 82px; height: 82px; display: grid; place-items: center; margin-bottom: 18px; border-radius: 24px; background: var(--primary); color: white; box-shadow: 0 22px 55px rgba(109, 74, 255, .35); }
.drag-overlay-icon svg { width: 38px; height: 38px; }
.drag-overlay strong { font-size: 25px; }.drag-overlay small { margin-top: 8px; color: var(--muted); }

.progress-overlay { position: fixed; inset: 0; z-index: 1100; display: grid; place-items: center; padding: 20px; background: rgba(12, 10, 18, .58); backdrop-filter: blur(8px); }
.progress-card { width: min(420px, 100%); padding: 30px; border: 1px solid var(--border); border-radius: 20px; background: var(--surface); box-shadow: var(--shadow-lg); text-align: center; }
.progress-logo { width: 54px; height: 54px; display: grid; place-items: center; margin: 0 auto 17px; border-radius: 16px; background: linear-gradient(135deg, var(--primary), #a34cff); color: white; }
.progress-logo svg { width: 34px; height: 34px; }
.progress-card h2 { margin: 0; font-size: 19px; }.progress-card p { margin: 7px 0 20px; color: var(--muted); font-size: 12px; }
.progress-track { height: 8px; border-radius: 999px; background: var(--surface-2); overflow: hidden; }
.progress-track span { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(to right, var(--primary), #a34cff); transition: width 150ms linear; }
.progress-meta { display: flex; justify-content: space-between; margin-top: 8px; color: var(--muted); font-size: 10px; }
.text-button { margin-top: 15px; padding: 7px 10px; border-radius: 8px; background: transparent; color: var(--muted); font-size: 11px; font-weight: 700; }
.text-button:hover { background: var(--surface-2); color: var(--text); }

.modal { width: min(620px, calc(100% - 30px)); max-height: min(760px, calc(100vh - 40px)); padding: 0; border: 1px solid var(--border); border-radius: 20px; background: var(--surface); color: var(--text); box-shadow: var(--shadow-lg); overflow: hidden; }
.modal::backdrop { background: rgba(12, 10, 18, .58); backdrop-filter: blur(6px); }
.modal[open] { animation: modal-in 160ms ease-out; }
@keyframes modal-in { from { opacity: 0; transform: translateY(8px) scale(.98); } to { opacity: 1; transform: none; } }
.modal-shell { max-height: inherit; display: flex; flex-direction: column; }
.modal-header { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 21px; border-bottom: 1px solid var(--border); }
.modal-eyebrow { display: block; margin-bottom: 3px; color: var(--primary); font-size: 9px; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.modal-header h2 { margin: 0; font-size: 19px; }
.modal-body { padding: 23px; overflow: auto; color: var(--muted); font-size: 13px; line-height: 1.65; }
.modal-body h3 { margin: 20px 0 7px; color: var(--text); font-size: 14px; }.modal-body h3:first-child { margin-top: 0; }
.modal-body p { margin: 0 0 12px; }.modal-body ul, .modal-body ol { margin: 8px 0 15px; padding-left: 21px; }
.modal-body li { margin: 6px 0; }
.modal-body code, .modal-body kbd { padding: 2px 5px; border: 1px solid var(--border); border-radius: 5px; background: var(--surface-2); color: var(--text); font: 11px ui-monospace, monospace; }
.modal-body .callout { display: flex; align-items: flex-start; gap: 10px; margin: 15px 0; padding: 13px; border: 1px solid color-mix(in srgb, var(--primary) 20%, var(--border)); border-radius: 12px; background: var(--primary-soft); color: color-mix(in srgb, var(--primary) 78%, var(--text)); }
.modal-body .callout svg { flex: 0 0 auto; margin-top: 2px; }
.modal-body .bug-hero { display: grid; place-items: center; margin: -4px 0 20px; text-align: center; }
.modal-body .bug-icon { width: 70px; height: 70px; display: grid; place-items: center; margin-bottom: 14px; border-radius: 20px; background: var(--primary-soft); color: var(--primary); }
.modal-body .bug-icon svg { width: 34px; height: 34px; }
.modal-body .bug-hero h3 { margin: 0 0 7px; font-size: 19px; }.modal-body .bug-hero p { max-width: 430px; margin: 0; }
.modal-body .privacy-note { display: flex; align-items: flex-start; gap: 9px; padding: 11px 12px; border-radius: 10px; background: var(--success-soft); color: var(--success); font-size: 11px; }
.modal-body .privacy-note svg { flex: 0 0 auto; width: 17px; height: 17px; }
.modal-footer { min-height: 69px; display: flex; justify-content: flex-end; align-items: center; gap: 9px; padding: 13px 21px; border-top: 1px solid var(--border); background: color-mix(in srgb, var(--surface-2) 55%, var(--surface)); }
.modal-footer:empty { display: none; }
.modal-footer a { text-decoration: none; }
.shortcut-table { width: 100%; border-collapse: collapse; }.shortcut-table td { padding: 9px 0; border-bottom: 1px solid var(--border); }.shortcut-table td:last-child { text-align: right; }
.about-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 19px; }.about-logo .brand-mark { flex: 0 0 auto; }.about-logo strong { display: block; color: var(--text); font-size: 18px; }.about-logo small { color: var(--muted); }

.toast-region { position: fixed; right: 18px; bottom: 18px; z-index: 1300; display: grid; gap: 8px; width: min(360px, calc(100% - 36px)); pointer-events: none; }
.toast { display: grid; grid-template-columns: 22px 1fr auto; align-items: start; gap: 10px; padding: 13px 14px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); box-shadow: var(--shadow-md); animation: toast-in 170ms ease-out; pointer-events: auto; }
.toast.success > svg { color: var(--success); }.toast.error > svg { color: var(--danger); }.toast.info > svg { color: var(--primary); }
.toast strong { display: block; margin-bottom: 2px; font-size: 12px; }.toast small { color: var(--muted); font-size: 10px; line-height: 1.4; }
.toast button { width: 24px; height: 24px; display: grid; place-items: center; padding: 0; border: 0; border-radius: 6px; background: transparent; color: var(--muted); cursor: pointer; }.toast button:hover { background: var(--surface-2); }
@keyframes toast-in { from { opacity: 0; transform: translateX(12px); } to { opacity: 1; transform: none; } }

.mobile-drawer { position: fixed; top: 0; right: 0; bottom: 0; z-index: 500; width: min(340px, 88vw); background: var(--surface); box-shadow: var(--shadow-lg); transform: translateX(105%); transition: transform 220ms ease; }
.mobile-drawer.open { transform: translateX(0); }
.mobile-drawer-header { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; padding: 0 18px; border-bottom: 1px solid var(--border); }
.mobile-drawer-content { padding: 14px; overflow: auto; }
.mobile-drawer-content > button, .mobile-drawer-content > a { width: 100%; min-height: 46px; display: flex; align-items: center; gap: 12px; padding: 0 12px; border: 0; border-radius: 10px; background: transparent; color: var(--text); text-decoration: none; text-align: left; cursor: pointer; }
.mobile-drawer-content > button:hover, .mobile-drawer-content > a:hover { background: var(--surface-2); }
.mobile-drawer-content svg { color: var(--primary); }
.drawer-label { margin: 5px 12px 8px; color: var(--subtle); font-size: 10px; font-weight: 900; text-transform: uppercase; letter-spacing: .12em; }
.drawer-separator { height: 1px; margin: 10px 4px; background: var(--border); }
.drawer-backdrop { position: fixed; inset: 0; z-index: 490; background: rgba(10, 8, 16, .45); backdrop-filter: blur(2px); }

.app-footer { min-height: 55px; display: flex; align-items: center; gap: 8px; padding: 0 max(24px, calc((100% - 1240px) / 2)); border-top: 1px solid var(--border); color: var(--subtle); font-size: 10px; }
.app-footer a, .app-footer button { border: 0; background: transparent; color: var(--muted); text-decoration: none; cursor: pointer; }.app-footer a:hover, .app-footer button:hover { color: var(--primary); }.footer-spacer { flex: 1; }.footer-separator { opacity: .6; }

@media (max-width: 1050px) {
  .hero-shell { grid-template-columns: 1fr 420px; gap: 25px; }
  .hero-copy h1 { font-size: 51px; }
  .tool-grid { grid-template-columns: repeat(2, 1fr); }
  .desktop-menu { display: none; }
  .mobile-menu-button { display: inline-flex; }
  .workspace-layout { grid-template-columns: 240px minmax(0, 1fr); }
  .tool-sidebar { padding: 20px 15px; }
}

@media (max-width: 800px) {
  .header-main { padding: 0 16px; }
  .status-pill { display: none; }
  .hero-shell { width: min(100% - 32px, 680px); min-height: auto; grid-template-columns: 1fr; padding: 55px 0 30px; text-align: center; }
  .hero-copy { display: flex; flex-direction: column; align-items: center; }
  .hero-copy h1 { font-size: clamp(39px, 11vw, 56px); letter-spacing: -2.5px; }
  .hero-copy > p { font-size: 16px; }
  .hero-visual { min-height: 370px; transform: scale(.88); margin: -20px 0; }
  .tools-section { width: min(100% - 32px, 680px); }
  .section-heading { grid-template-columns: 1fr; gap: 12px; text-align: center; }
  .tool-grid { grid-template-columns: 1fr; }
  .principles-strip { width: min(100% - 32px, 680px); grid-template-columns: 1fr; }
  .principles-strip > div { border-right: 0; border-bottom: 1px solid var(--border); }.principles-strip > div:last-child { border-bottom: 0; }
  .workspace-topbar { align-items: flex-start; padding: 18px 16px; }
  .workspace-title-wrap { align-items: flex-start; gap: 8px; }.back-button span { display: none; }
  .workspace-title-wrap h1 { font-size: 20px; }.workspace-title-wrap p { max-width: 380px; }
  .workspace-actions .secondary-button span { display: none; }
  .workspace-layout { display: block; }
  .tool-sidebar { padding: 14px 16px; border-right: 0; border-bottom: 1px solid var(--border); }
  .sidebar-section { position: static; }.sidebar-privacy { display: none; }
  .option-card { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: end; }.option-card .option-group.full, .option-card .option-help, .option-card .checkbox-row { grid-column: 1 / -1; }
  .workspace-content { padding: 18px 16px; }
  .drop-zone { min-height: 390px; }
  .page-grid, .image-grid { grid-template-columns: repeat(auto-fill, minmax(145px, 1fr)); gap: 12px; }
  .page-preview, .image-preview { height: 190px; }
}

@media (max-width: 540px) {
  :root { --header-h: 60px; }
  .brand-mark { width: 31px; height: 31px; }.brand-name { font-size: 18px; }.version-badge { display: none; }
  .header-actions { gap: 2px; }.icon-button { min-width: 35px; height: 35px; }
  .action-menu-wrap:first-of-type .icon-button span { display: none; }
  .hero-shell { padding-top: 40px; }
  .hero-copy h1 { font-size: 40px; line-height: 1.02; }
  .hero-copy > p { font-size: 14px; }
  .hero-actions { width: 100%; flex-direction: column; }.hero-actions button { width: 100%; }
  .privacy-line { align-items: flex-start; text-align: left; }
  .hero-visual { min-height: 310px; transform: scale(.72); margin: -45px 0; }
  .tools-section { padding-top: 30px; }.tool-card { min-height: 142px; padding: 18px; }
  .workspace-topbar { min-height: auto; flex-direction: column; gap: 14px; }
  .workspace-actions { width: 100%; }.workspace-actions button { flex: 1; }
  .workspace-title-wrap p { display: none; }
  .option-card { grid-template-columns: 1fr; }.option-card > * { grid-column: 1 !important; }
  .loaded-toolbar { align-items: flex-start; flex-direction: column; }.loaded-actions { width: 100%; justify-content: flex-start; overflow-x: auto; }
  .page-grid, .image-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .page-preview, .image-preview { height: 165px; padding: 9px; }.page-footer, .image-footer { grid-template-columns: 1fr; }.card-actions { justify-content: flex-end; }
  .app-footer { flex-wrap: wrap; justify-content: center; padding: 15px; }.footer-spacer { display: none; }
  .toast-region { left: 12px; right: 12px; bottom: 12px; width: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
}