/* ─── Reset & base ────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

:root {
  --bg:        #080810;
  --glass:     rgba(255,255,255,.055);
  --glass-b:   rgba(255,255,255,.10);
  --border:    rgba(255,255,255,.10);
  --border-h:  rgba(255,255,255,.22);
  --text:      #f2f0ff;
  --muted:     rgba(242,240,255,.45);
  --subtle:    rgba(242,240,255,.22);
  --blue:      #6c8fff;
  --blue-g:    #4f6fff;
  --violet:    #a78bfa;
  --cyan:      #22d3ee;
  --green:     #34d399;
  --red:       #f87171;
  --r:         16px;
  --r-sm:      10px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Jost', system-ui, sans-serif;
  font-size: 16px;
  font-weight: 300;
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ─── Animated background ─────────────────────────────────────── */
.bg-canvas {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  overflow: hidden;
}

.paper-plane {
  position: absolute;
  width: var(--plane-size, 26px);
  height: var(--plane-size, 26px);
  opacity: .42;
  filter: drop-shadow(0 0 14px rgba(108,143,255,.12));
  will-change: transform;
  transform-origin: 50% 50%;
}
.paper-plane svg {
  width: 100%;
  height: 100%;
  display: block;
}
.paper-plane path {
  fill: none;
  stroke: rgba(108,143,255,.55);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.plane-1 {
  --plane-size: 24px;
}
.plane-2 {
  --plane-size: 18px;
  opacity: .3;
}
.plane-3 {
  --plane-size: 25px;
}
.plane-4 {
  --plane-size: 20px;
  opacity: .35;
}
.plane-5 {
  --plane-size: 17px;
  opacity: .28;
}
.plane-6 {
  --plane-size: 19px;
  opacity: .24;
}
.plane-7 {
  --plane-size: 16px;
  opacity: .22;
}
.plane-8 {
  --plane-size: 21px;
  opacity: .27;
}
.plane-9 {
  --plane-size: 18px;
  opacity: .2;
}
.plane-10 {
  --plane-size: 17px;
  opacity: .18;
}
.plane-11 {
  --plane-size: 19px;
  opacity: .23;
}
.plane-12 {
  --plane-size: 18px;
  opacity: .2;
}
.plane-13 {
  --plane-size: 16px;
  opacity: .18;
}

.orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: .55;
  animation: drift linear infinite;
}
.orb-1 { width: 600px; height: 600px; background: radial-gradient(circle, #4f46e5 0%, transparent 70%); top: -200px; left: -150px; animation-duration: 22s; }
.orb-2 { width: 500px; height: 500px; background: radial-gradient(circle, #7c3aed 0%, transparent 70%); top: 40%; right: -150px; animation-duration: 28s; animation-delay: -10s; }
.orb-3 { width: 400px; height: 400px; background: radial-gradient(circle, #0ea5e9 0%, transparent 70%); bottom: -100px; left: 30%; animation-duration: 20s; animation-delay: -5s; }

@keyframes drift {
  0%   { transform: translate(0, 0) scale(1); }
  33%  { transform: translate(40px, -30px) scale(1.05); }
  66%  { transform: translate(-30px, 20px) scale(.97); }
  100% { transform: translate(0, 0) scale(1); }
}

/* Grid overlay */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* ─── Layout ──────────────────────────────────────────────────── */
.wrap {
  position: relative; z-index: 1;
  width: min(1120px, calc(100vw - 3rem));
  margin: 0 auto;
  padding: 0 1.5rem 8rem;
}

/* ─── Topbar ──────────────────────────────────────────────────── */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.75rem 0 0;
  animation: fadeDown .6s ease both;
}
.logo {
  display: flex; align-items: center; gap: .6rem;
  font-size: .88rem; font-weight: 500; letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text);
  font-family: 'Jost', sans-serif;
}
.logo-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: .95rem;
  box-shadow: 0 0 18px rgba(108,143,255,.5);
}
.logo-icon svg { display: block; }
.logo-icon path { fill: none; stroke: #fff; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.topbar-badge {
  font-size: .6rem; font-weight: 500; letter-spacing: .18em;
  text-transform: uppercase; color: rgba(214,225,255,.78);
  border: 1px solid rgba(108,143,255,.24); border-radius: 999px;
  padding: .38rem .9rem;
  background: linear-gradient(135deg, rgba(108,143,255,.14), rgba(34,211,238,.08) 55%, rgba(167,139,250,.12));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 6px 18px rgba(12,18,38,.22);
  backdrop-filter: blur(10px);
  font-family: 'DM Mono', monospace;
}

/* ─── Hero ────────────────────────────────────────────────────── */
.hero {
  padding: 5rem 0 3.5rem;
  text-align: center;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .68rem; font-weight: 400; letter-spacing: .2em;
  text-transform: uppercase; color: var(--blue);
  margin-bottom: 1.5rem;
  font-family: 'DM Mono', monospace;
}
.hero-eyebrow::before, .hero-eyebrow::after {
  content: ''; display: block; width: 24px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue));
}
.hero-eyebrow::after { background: linear-gradient(90deg, var(--blue), transparent); }

.hero h1 {
  font-family: 'Cormorant', Georgia, serif;
  font-size: clamp(3rem, 6.5vw, 4.8rem);
  font-weight: 300; line-height: 1.05;
  letter-spacing: -.01em;
  color: var(--text);
  margin-bottom: 1.25rem;
}
.hero h1 .hl {
  font-style: italic;
  font-weight: 400;
  background: linear-gradient(135deg, var(--blue) 0%, var(--violet) 50%, var(--cyan) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.06rem; color: var(--muted); max-width: 600px;
  margin: 0 auto; font-weight: 300; line-height: 1.75;
  letter-spacing: .01em;
}

/* ─── Glass card ──────────────────────────────────────────────── */
.card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--r);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 1.75rem;
  margin-bottom: .75rem;
  transition: border-color .25s, box-shadow .25s;
  position: relative; overflow: hidden;
}
.card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.15), transparent);
}
.card:hover {
  border-color: var(--border-h);
  box-shadow: 0 8px 40px rgba(0,0,0,.35);
}

.step-label {
  display: flex; align-items: center; gap: .6rem;
  font-size: .65rem; font-weight: 400; letter-spacing: .18em;
  text-transform: uppercase; color: var(--subtle);
  margin-bottom: 1.25rem;
  font-family: 'DM Mono', monospace;
}
.step-num {
  width: 20px; height: 20px;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  border-radius: 50%;
  display: grid; place-items: center;
  letter-spacing: 0;
  flex-shrink: 0;
  box-shadow: 0 0 10px rgba(108,143,255,.6);
}
.step-num > span {
  display: block;
  font-size: .6rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
  font-family: 'DM Mono', monospace;
  letter-spacing: 0;
  transform: none;
}

/* ─── Upload zone ─────────────────────────────────────────────── */
.drop-zone {
  border: 1.5px dashed rgba(255,255,255,.15);
  border-radius: var(--r-sm);
  padding: 2.75rem 1.5rem;
  text-align: center; cursor: pointer;
  transition: all .25s; position: relative;
  background: rgba(255,255,255,.02);
}
.drop-zone:hover {
  border-color: rgba(108,143,255,.6);
  background: rgba(108,143,255,.07);
  transform: translateY(-2px);
}
.drop-zone.over {
  border-color: var(--blue);
  background: rgba(108,143,255,.12);
  transform: scale(1.01);
  box-shadow: 0 0 0 4px rgba(108,143,255,.15);
}
.drop-zone input { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%; z-index: 1; }
.drop-icon, .drop-zone h3, .drop-zone p { pointer-events: none; }

.drop-icon {
  width: 56px; height: 56px; margin: 0 auto 1.1rem;
  background: linear-gradient(135deg, rgba(108,143,255,.2), rgba(167,139,250,.2));
  border: 1px solid rgba(108,143,255,.3);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  transition: transform .25s;
  box-shadow: 0 0 20px rgba(108,143,255,.2);
}
.drop-zone:hover .drop-icon { transform: scale(1.1) rotate(-5deg); }

.drop-zone h3 { font-size: .9rem; font-weight: 400; margin-bottom: .3rem; letter-spacing: .02em; }
.drop-zone p  { font-size: .78rem; color: var(--muted); font-weight: 300; }

.file-badge {
  display: flex; align-items: center; gap: .75rem;
  margin-top: .85rem; padding: .75rem 1rem;
  background: rgba(52,211,153,.08);
  border: 1px solid rgba(52,211,153,.25);
  border-radius: var(--r-sm);
  font-size: .82rem;
  animation: slideUp .3s ease both;
}
.file-badge .fb-icon { font-size: 1.1rem; flex-shrink: 0; }
.file-badge .fb-name { font-weight: 700; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--green); }
.file-badge .fb-size { font-size: .72rem; color: var(--muted); }

/* ─── Preview ─────────────────────────────────────────────────── */
.preview-wrap { margin-top: 1rem; }
.preview-title {
  font-size: .68rem; font-weight: 800; letter-spacing: .1em;
  text-transform: uppercase; color: var(--subtle); margin-bottom: .6rem;
}
.thumbs {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: .4rem; max-height: 200px; overflow-y: auto; padding-right: .2rem;
}
.thumbs::-webkit-scrollbar { width: 3px; }
.thumbs::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
.thumb {
  aspect-ratio: 3/4; border-radius: 6px; overflow: hidden;
  border: 1px solid var(--border); position: relative;
  transition: transform .2s, border-color .2s;
  background: rgba(255,255,255,.04);
  cursor: pointer;
}
.thumb:hover { transform: scale(1.06); border-color: var(--border-h); }
.thumb-del {
  position: absolute; top: 3px; right: 3px; z-index: 2;
  width: 22px; height: 22px;
  border-radius: 999px; border: 1px solid rgba(248,113,113,.46);
  background: rgba(38,12,22,.88);
  color: #fecaca; cursor: pointer;
  display: grid; place-items: center;
  line-height: 1;
  opacity: 1; transition: background .18s, border-color .18s, transform .18s;
  box-shadow: 0 6px 16px rgba(0,0,0,.28);
}
.thumb-del svg {
  width: 12px; height: 12px;
  display: block;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}
.thumb-del:hover {
  background: rgba(127,29,29,.88);
  border-color: rgba(254,202,202,.75);
  transform: scale(1.06);
}
.thumb canvas { width: 100%; height: 100%; object-fit: contain; display: block; }
.thumb .pg { position: absolute; bottom: 2px; right: 3px; font-size: .55rem; font-weight: 700; background: rgba(0,0,0,.7); color: var(--muted); padding: 1px 4px; border-radius: 3px; }
.thumb-more { aspect-ratio: 3/4; border-radius: 6px; border: 1px dashed var(--border); display: flex; align-items: center; justify-content: center; font-size: .7rem; color: var(--subtle); }
.page-modal {
  position: fixed; inset: 0; z-index: 30;
  display: flex; align-items: center; justify-content: center;
  padding: 2rem;
  background: rgba(6,8,18,.78);
  backdrop-filter: blur(12px);
}
.page-modal-card {
  width: min(960px, 100%);
  max-height: min(90vh, 1100px);
  background: rgba(15,17,28,.96);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 18px;
  box-shadow: 0 24px 80px rgba(0,0,0,.45);
  overflow: hidden;
}
.page-modal-top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: linear-gradient(135deg, rgba(108,143,255,.08), rgba(167,139,250,.06));
}
.page-modal-title {
  font-size: .78rem; font-weight: 500; letter-spacing: .12em;
  text-transform: uppercase; color: var(--muted);
  font-family: 'DM Mono', monospace;
}
.page-modal-close {
  width: 34px; height: 34px;
  border-radius: 999px; border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: var(--text); cursor: pointer;
  font-size: 1rem; line-height: 1;
}
.page-modal-close:hover { background: rgba(255,255,255,.08); }
.page-modal-body {
  padding: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  overflow: auto; max-height: calc(90vh - 72px);
}
.page-modal-canvas {
  width: 100%; height: auto; display: block;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(0,0,0,.28);
}

/* ─── Form controls ───────────────────────────────────────────── */
.field { margin-bottom: 1rem; }
.field:last-child { margin-bottom: 0; }

label {
  display: block; font-size: .7rem; font-weight: 400;
  letter-spacing: .14em; color: var(--muted);
  margin-bottom: .45rem; text-transform: uppercase;
  font-family: 'DM Mono', monospace;
}
.label-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: .75rem; margin-bottom: .45rem;
}
.label-row label { margin-bottom: 0; }
.field-link {
  background: none; border: none; padding: 0;
  color: var(--blue); cursor: pointer;
  font-size: .76rem; font-family: 'DM Mono', monospace;
  letter-spacing: .08em; text-transform: uppercase;
}
.field-link:hover { text-decoration: underline; }
input[type=text], input[type=password], input[type=number], textarea, select {
  width: 100%;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text);
  font-family: 'Jost', sans-serif;
  font-size: .95rem; font-weight: 300;
  padding: .7rem 1rem;
  outline: none;
  transition: border-color .2s, background .2s, box-shadow .2s;
  -webkit-appearance: none;
}
input[type=text]:hover, input[type=password]:hover, input[type=number]:hover, textarea:hover, select:hover {
  background: rgba(255,255,255,.09);
  border-color: rgba(255,255,255,.18);
}
input::placeholder, textarea::placeholder {
  color: var(--muted);
  opacity: 1;
}
input[type=password], input[type=password]::placeholder {
  color: var(--text);
}
#apiKey::placeholder {
  color: var(--muted);
}
input:focus, textarea:focus, select:focus {
  border-color: rgba(108,143,255,.6);
  background: rgba(108,143,255,.06);
  box-shadow: 0 0 0 3px rgba(108,143,255,.15);
}
select option { background: #1a1a2e; color: var(--text); }
textarea { resize: vertical; min-height: 96px; line-height: 1.55; }

.hint { font-size: .78rem; color: var(--subtle); margin-top: .35rem; line-height: 1.6; }
.hint a { color: var(--blue); text-decoration: none; }
.hint a:hover { text-decoration: underline; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: .85rem; }

.key-field { position: relative; }
.key-field input { padding-right: 3rem; }
.key-eye {
  position: absolute; right: .85rem; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer;
  color: var(--subtle); font-size: .85rem; line-height: 1; padding: 0;
  transition: color .2s;
}
.key-eye:hover { color: var(--text); }

/* ─── CTA button ──────────────────────────────────────────────── */
.cta {
  position: relative; overflow: hidden;
  width: 100%; padding: .95rem 1.75rem;
  background: linear-gradient(135deg, var(--blue-g), var(--violet));
  border: none; border-radius: var(--r-sm);
  color: #fff; font-family: 'Jost', sans-serif;
  font-size: .82rem; font-weight: 500;
  letter-spacing: .12em; text-transform: uppercase;
  cursor: pointer; display: flex; align-items: center; justify-content: center; gap: .6rem;
  transition: opacity .2s, transform .2s, box-shadow .2s;
  box-shadow: 0 4px 20px rgba(79,111,255,.45), 0 0 0 1px rgba(255,255,255,.08) inset;
}
.cta::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.15) 0%, transparent 60%);
  border-radius: inherit;
}
.cta:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(79,111,255,.6), 0 0 0 1px rgba(255,255,255,.12) inset; }
.cta:active:not(:disabled) { transform: translateY(0); }
.cta:disabled { opacity: .35; cursor: not-allowed; box-shadow: none; }
.cta-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; margin-top: .75rem; }
.cta-secondary {
  width: 100%; padding: .9rem 1.1rem;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text);
  font-family: 'Jost', sans-serif;
  font-size: .78rem; font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase;
  cursor: pointer;
  transition: border-color .2s, background .2s, opacity .2s, transform .2s;
}
.cta-secondary:hover:not(:disabled) {
  background: rgba(255,255,255,.09);
  border-color: rgba(255,255,255,.18);
  transform: translateY(-1px);
}
.cta-secondary:disabled { opacity: .35; cursor: not-allowed; }

.cta-dl {
  width: 100%; padding: .95rem 1.75rem; margin-top: .85rem;
  background: linear-gradient(135deg, rgba(108,143,255,.22), rgba(79,111,255,.16) 52%, rgba(167,139,250,.22));
  border: 1px solid rgba(108,143,255,.28); border-radius: var(--r-sm);
  color: rgba(248,247,255,.96); font-family: 'Jost', sans-serif;
  font-size: .82rem; font-weight: 500;
  letter-spacing: .12em; text-transform: uppercase;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: .6rem;
  transition: transform .2s, box-shadow .2s, border-color .2s, background .2s;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 8px 24px rgba(31,41,87,.2);
  position: relative; overflow: hidden;
  backdrop-filter: blur(10px);
}
.cta-dl::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.12), transparent 42%, rgba(167,139,250,.12));
}
.cta-dl:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, rgba(108,143,255,.3), rgba(79,111,255,.2) 52%, rgba(167,139,250,.28));
  border-color: rgba(108,143,255,.42);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 10px 28px rgba(79,111,255,.24);
}
.cta-dl.alt {
  background: linear-gradient(135deg, rgba(34,211,238,.2), rgba(108,143,255,.16) 54%, rgba(167,139,250,.18));
  border-color: rgba(34,211,238,.28);
}
.cta-dl.alt::before {
  background: linear-gradient(135deg, rgba(255,255,255,.12), transparent 42%, rgba(34,211,238,.12));
}
.cta-dl.alt:hover {
  background: linear-gradient(135deg, rgba(34,211,238,.28), rgba(108,143,255,.2) 54%, rgba(167,139,250,.22));
  border-color: rgba(34,211,238,.42);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 10px 28px rgba(34,211,238,.2);
}
.dl-row { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; margin-top: .85rem; }
.dl-row { position: relative; z-index: 1; }
.preview-doc,
#doneWrap {
  transition: border-color .25s, box-shadow .25s;
}
.preview-doc {
  margin-top: .85rem; padding: 1.2rem;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
}
.preview-doc:hover {
  border-color: var(--border-h);
  box-shadow: 0 8px 40px rgba(0,0,0,.35);
}
#doneWrap {
  margin-bottom: .75rem;
  padding: 1.1rem 1.2rem 1.2rem;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--r);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}
#doneWrap::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.15), transparent);
}
#doneWrap:hover {
  border-color: var(--border-h);
  box-shadow: 0 8px 40px rgba(0,0,0,.35);
}
.preview-doc-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: .75rem; margin-bottom: 1rem;
}
.preview-doc-head h3 {
  font-size: .86rem; font-weight: 500; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted);
  font-family: 'DM Mono', monospace;
}
.preview-doc-meta { font-size: .76rem; color: var(--subtle); }
.doc-preview-pages { display: flex; flex-direction: column; gap: 1rem; max-height: 480px; overflow-y: auto; padding-right: .2rem; }
.doc-preview-pages::-webkit-scrollbar { width: 3px; }
.doc-preview-pages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
.doc-preview-page {
  padding: 1rem;
  background: rgba(8,8,16,.55);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px;
}
.doc-preview-page h4 {
  font-family: 'Cormorant', serif;
  font-size: 1.55rem; font-weight: 400;
  color: var(--text); margin-bottom: .8rem;
}
.doc-preview-shot {
  width: 100%; border-radius: 10px;
  border: 1px solid rgba(255,255,255,.08);
  margin-bottom: .9rem; display: block;
  cursor: zoom-in;
}
.doc-preview-text { color: rgba(242,240,255,.82); }
.doc-preview-text h1, .doc-preview-text h2, .doc-preview-text h3 {
  font-family: 'Cormorant', serif;
  font-weight: 500; line-height: 1.15;
  margin: .55rem 0 .08rem;
}
.doc-preview-text h1 { font-size: 1.8rem; margin-bottom: .28rem; }
.doc-preview-text h2 { font-size: 1.45rem; margin-top: .75rem; margin-bottom: -.06rem; }
.doc-preview-text h3 { font-size: 1.2rem; margin-top: .75rem; margin-bottom: -.06rem; }
.doc-preview-text p {
  margin: 0 0 .58rem;
  font-size: .94rem;
  line-height: 1.7;
}
.doc-preview-gap { height: .2rem; }

/* ─── Progress ────────────────────────────────────────────────── */
.prog-card {
  background: var(--glass); border: 1px solid var(--border);
  border-radius: var(--r); backdrop-filter: blur(20px);
  padding: 1.75rem; margin-bottom: .75rem;
  animation: slideUp .4s ease both;
  position: relative; overflow: hidden;
  transition: border-color .25s, box-shadow .25s;
}
.prog-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.15), transparent);
}
.prog-card:hover {
  border-color: var(--border-h);
  box-shadow: 0 8px 40px rgba(0,0,0,.35);
}

.prog-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.1rem; }

.prog-status {
  display: flex; align-items: center; gap: .65rem;
  font-size: .82rem; font-weight: 600; color: var(--muted);
}
.spin {
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,.1);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin .7s linear infinite; flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

.prog-pct {
  font-family: 'DM Mono', monospace;
  font-size: 1.5rem; font-weight: 500; font-style: normal;
  letter-spacing: .02em;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.prog-bar-bg { height: 4px; background: rgba(255,255,255,.07); border-radius: 999px; overflow: hidden; margin-bottom: 1.25rem; }
.prog-bar-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--blue-g), var(--violet), var(--cyan));
  border-radius: 999px;
  transition: width .45s cubic-bezier(.4,0,.2,1);
  box-shadow: 0 0 8px rgba(108,143,255,.6);
}

.log-feed { display: flex; flex-direction: column; gap: .35rem; max-height: 240px; overflow-y: auto; padding-right: .2rem; }
.log-feed::-webkit-scrollbar { width: 3px; }
.log-feed::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.log-row {
  display: flex; align-items: flex-start; gap: .6rem;
  padding: .5rem .7rem; border-radius: 7px; font-size: .77rem;
  background: rgba(255,255,255,.03); border: 1px solid transparent;
  animation: slideUp .2s ease both;
}
.log-row.done   { background: rgba(52,211,153,.07);  border-color: rgba(52,211,153,.18); }
.log-row.error  { background: rgba(248,113,113,.07); border-color: rgba(248,113,113,.18); }
.log-row.active { background: rgba(108,143,255,.08); border-color: rgba(108,143,255,.2); }

.log-n {
  font-size: .62rem; font-weight: 800;
  padding: 2px 5px; border-radius: 4px; min-width: 22px; text-align: center;
  background: rgba(255,255,255,.08); color: var(--muted); flex-shrink: 0; margin-top: 1px;
}
.log-row.done  .log-n { background: rgba(52,211,153,.25);  color: var(--green); }
.log-row.error .log-n { background: rgba(248,113,113,.25); color: var(--red); }
.log-row.active .log-n { background: rgba(108,143,255,.3); color: var(--blue); }
.log-t { color: var(--muted); line-height: 1.4; }
.log-row.done .log-t { color: rgba(242,240,255,.75); }

/* ─── Alert banners ───────────────────────────────────────────── */
.banner {
  display: flex; align-items: flex-start; gap: .7rem;
  padding: .85rem 1.1rem; border-radius: var(--r-sm);
  font-size: .82rem; line-height: 1.5; border: 1px solid;
  margin-bottom: .75rem; backdrop-filter: blur(8px);
}
.banner-ok    { background: rgba(52,211,153,.08);  border-color: rgba(52,211,153,.25);  color: var(--green); }
.banner-err   { background: rgba(248,113,113,.08); border-color: rgba(248,113,113,.25); color: var(--red); }
.banner-icon  { font-size: .95rem; flex-shrink: 0; margin-top: 1px; }

/* ─── Animations ──────────────────────────────────────────────── */
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero         { animation: slideUp .7s ease both; }
.card:nth-child(1) { animation: slideUp .6s .1s ease both; }
.card:nth-child(2) { animation: slideUp .6s .18s ease both; }
.card:nth-child(3) { animation: slideUp .6s .26s ease both; }

.hidden { display: none !important; }

/* ─── Responsive ──────────────────────────────────────────────── */
@media (max-width: 520px) {
  .grid-2 { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2.6rem; }
  .paper-plane { opacity: .2; }
  .plane-2, .plane-4, .plane-5, .plane-6, .plane-7, .plane-8, .plane-9, .plane-10, .plane-11, .plane-12, .plane-13 { display: none; }
}