:root {
  color-scheme: light;
  --ink: #171717;
  --muted: #696969;
  --line: #dedbd5;
  --paper: #f6f4ef;
  --surface: #ffffff;
  --surface-soft: #efede7;
  --accent: #ff5a1f;
  --accent-dark: #d9430d;
  --success: #16784a;
  --danger: #b52a2a;
  --shadow: 0 18px 60px rgba(26, 22, 18, 0.09);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--paper); }
body { margin: 0; min-width: 320px; color: var(--ink); background:
  radial-gradient(circle at 15% 0%, rgba(255, 90, 31, 0.08), transparent 28rem),
  var(--paper); }
button, input, select { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: 0.48; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem max(1rem, calc((100vw - 1180px) / 2));
  border-bottom: 1px solid rgba(222, 219, 213, 0.9);
  background: rgba(246, 244, 239, 0.86);
  backdrop-filter: blur(18px);
}

.brand { display: inline-flex; align-items: center; gap: 0.8rem; color: inherit; text-decoration: none; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 1rem; letter-spacing: -0.02em; }
.brand small { margin-top: 0.1rem; color: var(--muted); font-size: 0.72rem; }
.brand-mark {
  display: grid;
  width: 2.35rem;
  height: 2.35rem;
  place-items: center;
  border-radius: 0.7rem;
  background: var(--ink);
  color: #fff;
  font-weight: 900;
  font-size: 0.78rem;
  letter-spacing: -0.05em;
}
.brand-mark.large { width: 3.25rem; height: 3.25rem; border-radius: 1rem; font-size: 1rem; }
.header-actions { display: flex; align-items: center; gap: 0.65rem; }
.status-pill, .privacy-chip {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.7);
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
}
.status-pill.online { border-color: rgba(22,120,74,.22); color: var(--success); background: rgba(22,120,74,.08); }
.status-pill.offline { border-color: rgba(181,42,42,.22); color: var(--danger); background: rgba(181,42,42,.08); }

.page-shell { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; padding: 3.75rem 0 5rem; }
.hero { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 2.25rem; }
.hero h1 { max-width: 760px; margin: 0.25rem 0 0.85rem; font-size: clamp(2.65rem, 7vw, 5.9rem); line-height: 0.92; letter-spacing: -0.075em; }
.hero-copy { max-width: 710px; margin: 0; color: var(--muted); font-size: clamp(1rem, 2vw, 1.18rem); line-height: 1.65; }
.eyebrow { margin: 0 0 0.35rem; color: var(--accent-dark); font-size: 0.72rem; font-weight: 900; letter-spacing: 0.13em; text-transform: uppercase; }
.hero-stat { flex: 0 0 auto; padding: 1.1rem 1.25rem; border-left: 4px solid var(--accent); }
.hero-stat strong, .hero-stat span { display: block; }
.hero-stat strong { font-size: 1.55rem; letter-spacing: -0.04em; }
.hero-stat span { color: var(--muted); font-size: 0.82rem; }

.workspace-grid { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 1.25rem; align-items: start; }
.panel { border: 1px solid var(--line); border-radius: 1.35rem; background: rgba(255,255,255,0.9); box-shadow: var(--shadow); overflow: hidden; }
.upload-panel, .library-panel { padding: clamp(1rem, 3vw, 1.6rem); }
.panel-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1.25rem; }
.panel-heading h2, .tips-panel h2 { margin: 0; font-size: 1.55rem; letter-spacing: -0.04em; }
.control-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.9rem; margin-bottom: 1rem; }
.field { display: grid; gap: 0.4rem; }
.field > span { color: var(--muted); font-size: 0.76rem; font-weight: 800; }
.field select, .field input, .search-field input, .library-controls select {
  width: 100%;
  min-height: 2.85rem;
  border: 1px solid var(--line);
  border-radius: 0.72rem;
  padding: 0.7rem 0.8rem;
  background: #fff;
  color: var(--ink);
  outline: none;
}
.field select:focus, .field input:focus, .search-field input:focus, .library-controls select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255,90,31,.12); }
.field-range { grid-column: 1 / -1; }
.field-range > span { display: flex; justify-content: space-between; }
.field-range output { color: var(--ink); }
.field-range input { min-height: auto; padding: 0; accent-color: var(--accent); }

.drop-zone {
  display: grid;
  place-items: center;
  min-height: 235px;
  padding: 1.5rem;
  border: 1.5px dashed #bbb5aa;
  border-radius: 1rem;
  background: var(--surface-soft);
  text-align: center;
  transition: .18s ease;
}
.drop-zone:hover, .drop-zone:focus-visible, .drop-zone.is-dragging { border-color: var(--accent); background: rgba(255,90,31,.06); transform: translateY(-1px); outline: none; }
.drop-zone strong { margin-top: 0.5rem; font-size: 1.05rem; }
.drop-zone span:not(.drop-icon) { margin-top: 0.15rem; color: var(--muted); }
.drop-zone small { max-width: 440px; margin-top: 0.85rem; color: var(--muted); line-height: 1.45; }
.drop-icon { display: grid; width: 3rem; height: 3rem; place-items: center; border-radius: 50%; background: var(--ink); color: white; font-size: 1.5rem; }

.queue-list { display: grid; gap: 0.65rem; margin-top: 1rem; }
.queue-item, .library-item { display: flex; align-items: center; gap: 0.85rem; min-width: 0; padding: 0.85rem; border: 1px solid var(--line); border-radius: 0.9rem; background: #fff; }
.file-badge, .carrier-mark { display: grid; flex: 0 0 auto; width: 2.6rem; height: 2.9rem; place-items: center; border-radius: 0.65rem; background: var(--ink); color: white; font-size: 0.65rem; font-weight: 900; }
.carrier-mark.inpost { background: #ffda00; color: #1e1e1e; }
.carrier-mark.evri { background: #5a2b82; }
.queue-copy, .library-copy { min-width: 0; flex: 1; }
.queue-copy strong, .library-copy strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.queue-copy > span, .library-copy > span { display: block; margin-top: 0.2rem; color: var(--muted); font-size: 0.78rem; }
.queue-status { min-height: 1em; margin: 0.35rem 0 0; color: var(--muted); font-size: 0.76rem; }
.queue-status.error { color: var(--danger); }
.queue-status.success { color: var(--success); }
.queue-actions, .library-actions { display: flex; align-items: center; gap: 0.4rem; flex: 0 0 auto; }
.print-status-select { min-height: 2.15rem; border: 1px solid var(--line); border-radius: 0.7rem; padding: 0.42rem 2rem 0.42rem 0.65rem; background: #fff; color: var(--muted); font-size: 0.73rem; font-weight: 850; outline: none; }
.print-status-select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255,90,31,.12); }
.print-status-select.is-printed { border-color: rgba(22,120,74,.28); background: rgba(22,120,74,.08); color: var(--success); }
.progress-track { width: min(240px, 100%); height: 4px; margin-top: 0.55rem; border-radius: 999px; background: #e8e5df; overflow: hidden; }
.progress-track span { display: block; height: 100%; width: 12%; border-radius: inherit; background: var(--accent); animation: progress-slide 1.2s ease-in-out infinite alternate; }
@keyframes progress-slide { to { width: 86%; } }

.panel-footer { display: flex; justify-content: flex-end; gap: 0.65rem; margin-top: 1.1rem; }
.button, .icon-button {
  border: 1px solid transparent;
  border-radius: 0.7rem;
  min-height: 2.55rem;
  padding: 0.65rem 0.95rem;
  font-weight: 850;
  font-size: 0.82rem;
  transition: .15s ease;
}
.button:hover:not(:disabled), .icon-button:hover:not(:disabled) { transform: translateY(-1px); }
.button-primary { border-color: var(--ink); background: var(--ink); color: #fff; }
.button-primary:hover:not(:disabled) { background: var(--accent); border-color: var(--accent); }
.button-ghost { border-color: var(--line); background: #fff; color: var(--ink); }
.button-small { min-height: 2.15rem; padding: 0.45rem 0.65rem; border-color: var(--line); background: #fff; font-size: 0.73rem; }
.icon-button { display: grid; width: 2.3rem; min-height: 2.3rem; padding: 0; place-items: center; border-color: var(--line); background: #fff; color: var(--muted); font-size: 1.1rem; }
.full-width { width: 100%; }

.tips-panel { padding: 1.35rem; }
.steps-list { display: grid; gap: 1rem; padding: 0; margin: 1.35rem 0; list-style: none; }
.steps-list li { display: grid; grid-template-columns: 2rem 1fr; gap: 0.75rem; }
.steps-list li > span { display: grid; width: 2rem; height: 2rem; place-items: center; border-radius: 50%; background: var(--surface-soft); font-size: 0.74rem; font-weight: 900; }
.steps-list strong { font-size: 0.9rem; }
.steps-list p { margin: 0.2rem 0 0; color: var(--muted); font-size: 0.8rem; line-height: 1.5; }
.notice { padding: 1rem; border-radius: 0.9rem; background: var(--ink); color: #fff; }
.notice strong { font-size: 0.9rem; }
.notice p { margin: 0.35rem 0 0; color: #c9c9c9; font-size: 0.78rem; line-height: 1.5; }

.library-panel { margin-top: 1.25rem; }
.library-heading { align-items: end; }
.library-controls { display: grid; grid-template-columns: minmax(180px, 1fr) auto auto; gap: 0.55rem; }
.library-list { display: grid; gap: 0.65rem; }
.empty-state { display: grid; place-items: center; min-height: 180px; padding: 1.5rem; color: var(--muted); text-align: center; }
.empty-state.compact { min-height: 110px; margin-top: 0.7rem; }
.empty-state strong { color: var(--ink); }
.empty-state span:not(.spinner) { margin-top: 0.25rem; font-size: 0.82rem; }
.spinner { width: 1.5rem; height: 1.5rem; margin-bottom: 0.7rem; border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.login-dialog, .crop-dialog { border: 0; padding: 0; background: transparent; }
.login-dialog::backdrop, .crop-dialog::backdrop { background: rgba(17,17,17,.68); backdrop-filter: blur(6px); }
.login-card, .crop-card { width: min(430px, calc(100vw - 2rem)); padding: 1.5rem; border: 1px solid var(--line); border-radius: 1.25rem; background: var(--surface); box-shadow: 0 25px 80px rgba(0,0,0,.28); }
.login-card h2 { margin: 1rem 0 0.4rem; font-size: 1.6rem; letter-spacing: -0.04em; }
.login-card > p:not(.eyebrow):not(.error-text) { margin: 0 0 1.1rem; color: var(--muted); font-size: 0.88rem; line-height: 1.5; }
.error-text { min-height: 1.1rem; margin: 0.65rem 0; color: var(--danger); font-size: 0.8rem; }
.crop-card { width: min(760px, calc(100vw - 1rem)); }
.modal-heading { display: flex; justify-content: space-between; align-items: start; gap: 1rem; }
.modal-heading h2 { margin: 0; letter-spacing: -0.04em; }
.modal-copy { margin: 0.6rem 0 1rem; color: var(--muted); font-size: 0.85rem; }
.crop-stage { position: relative; display: grid; max-height: 60vh; place-items: center; overflow: hidden; border-radius: 0.8rem; background: #272727; touch-action: none; }
.crop-stage canvas { display: block; max-width: 100%; max-height: 60vh; }
.crop-box { position: absolute; border: 2px solid var(--accent); box-shadow: 0 0 0 9999px rgba(0,0,0,.46); cursor: move; touch-action: none; }
.crop-handle { position: absolute; width: 18px; height: 18px; border: 2px solid #fff; border-radius: 50%; background: var(--accent); }
.crop-handle.nw { left: -10px; top: -10px; cursor: nwse-resize; }
.crop-handle.ne { right: -10px; top: -10px; cursor: nesw-resize; }
.crop-handle.sw { left: -10px; bottom: -10px; cursor: nesw-resize; }
.crop-handle.se { right: -10px; bottom: -10px; cursor: nwse-resize; }
.modal-actions { display: flex; justify-content: flex-end; gap: 0.65rem; margin-top: 1rem; }

.toast-region { position: fixed; right: 1rem; bottom: 1rem; z-index: 80; display: grid; gap: 0.55rem; width: min(360px, calc(100vw - 2rem)); }
.toast { padding: 0.85rem 1rem; border: 1px solid var(--line); border-radius: 0.8rem; background: #fff; box-shadow: var(--shadow); font-size: 0.83rem; font-weight: 750; animation: toast-in .2s ease; }
.toast.error { border-color: rgba(181,42,42,.3); color: var(--danger); }
.toast.success { border-color: rgba(22,120,74,.3); color: var(--success); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }

.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (max-width: 900px) {
  .page-shell { padding-top: 2.3rem; }
  .control-grid { grid-template-columns: 1fr 1fr; }
  .workspace-grid { grid-template-columns: 1fr; }
  .tips-panel { order: -1; }
  .steps-list { grid-template-columns: repeat(3, 1fr); }
  .steps-list li { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .site-header { align-items: flex-start; }
  .status-pill { display: none; }
  .page-shell { width: min(100% - 1rem, 1180px); }
  .hero { align-items: start; flex-direction: column; }
  .hero-stat { display: none; }
  .hero h1 { font-size: clamp(3rem, 16vw, 4.6rem); }
  .panel-heading, .library-heading { align-items: stretch; flex-direction: column; }
  .control-grid { grid-template-columns: 1fr; }
  .field-range { grid-column: auto; }
  .privacy-chip { align-self: flex-start; }
  .steps-list { grid-template-columns: 1fr; }
  .steps-list li { grid-template-columns: 2rem 1fr; }
  .library-controls { grid-template-columns: 1fr 1fr; }
  .search-field { grid-column: 1 / -1; }
  .queue-item, .library-item { align-items: flex-start; flex-wrap: wrap; }
  .queue-copy, .library-copy { min-width: calc(100% - 3.7rem); }
  .queue-actions, .library-actions { width: 100%; justify-content: flex-end; flex-wrap: wrap; }
  .print-status-select { margin-right: auto; }
  .review-button { margin-left: auto; }
  .panel-footer { position: sticky; bottom: 0; margin: 1rem -1rem -1rem; padding: 0.85rem 1rem; border-top: 1px solid var(--line); background: rgba(255,255,255,.95); }
}