:root {
  color-scheme: dark;
  --bg: #090b0e;
  --surface: #111419;
  --surface-raised: #171b21;
  --surface-soft: #1d222a;
  --line: #2a3039;
  --line-strong: #3b4350;
  --text: #f3f5f7;
  --text-soft: #c2c8d0;
  --muted: #7f8996;
  --accent: #4ea1ff;
  --keep: #46d590;
  --delete: #ff6673;
  --favorite: #ffc857;
  --radius: 14px;
  --shadow: 0 20px 60px rgba(0, 0, 0, .38);
}

* { box-sizing: border-box; }

html { background: var(--bg); }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background:
    radial-gradient(circle at 18% -10%, rgba(78, 161, 255, .10), transparent 28rem),
    linear-gradient(180deg, #0d1014 0, var(--bg) 24rem);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}

button, input, select { font: inherit; }
button, summary, select { -webkit-tap-highlight-color: transparent; }
button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.topbar {
  position: sticky;
  z-index: 20;
  top: 0;
  min-height: 74px;
  padding: 12px max(24px, calc((100vw - 1180px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid rgba(255,255,255,.07);
  background: rgba(9, 11, 14, .82);
  backdrop-filter: blur(20px) saturate(140%);
}

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark, .login-brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border: 1px solid rgba(78,161,255,.42);
  border-radius: 11px;
  background: linear-gradient(145deg, rgba(78,161,255,.24), rgba(78,161,255,.07));
  color: #a9d3ff;
  box-shadow: inset 0 1px rgba(255,255,255,.10), 0 8px 24px rgba(18,95,170,.16);
  font-size: .72rem;
  font-weight: 850;
  letter-spacing: .08em;
}
.eyebrow { display: block; color: var(--muted); font-size: .61rem; font-weight: 750; letter-spacing: .18em; }
h1 { margin: 2px 0 0; font-size: 1.22rem; line-height: 1.2; letter-spacing: -.02em; }

.header-actions { display: flex; align-items: center; gap: 8px; }
.header-actions form { margin: 0; }
.tool-button {
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(255,255,255,.035);
  color: var(--text-soft);
  cursor: pointer;
  font-size: .78rem;
  font-weight: 650;
  transition: border-color .16s ease, background .16s ease, color .16s ease;
}
.tool-button:hover:not(:disabled) { border-color: var(--line-strong); background: var(--surface-soft); color: var(--text); }
.tool-button:disabled { opacity: .38; cursor: default; }

body > main:not(.login-card) {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 26px 0 110px;
}

.workspace-panel, .progress-panel, .filters {
  border: 1px solid var(--line);
  background: rgba(20, 24, 30, .82);
  box-shadow: 0 1px 0 rgba(255,255,255,.025);
}

.workspace-panel {
  padding: 16px 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 13px;
  border-radius: var(--radius) var(--radius) 0 0;
}
.folder-picker { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.section-heading { display: flex; align-items: center; gap: 11px; min-width: 220px; }
.section-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: rgba(78,161,255,.11);
  color: #87c1ff;
  font-size: 1.35rem;
}
.folder-picker label { display: block; color: var(--text); font-size: .82rem; font-weight: 720; }
.folder-picker small, .rating-copy small, .filters summary small, .metadata summary small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: .68rem;
  font-weight: 480;
}
.folder-picker select, .filters input, .filters select, .login-card input {
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: #0c0f13;
  color: var(--text);
  box-shadow: inset 0 1px 2px rgba(0,0,0,.32);
}
.folder-picker select { width: min(540px, 60%); min-width: 0; padding: 10px 36px 10px 12px; }

.folder-loading { display: grid; gap: 7px; padding-top: 1px; color: #a9d3ff; font-size: .72rem; }
.folder-loading-header { display: flex; justify-content: space-between; gap: 12px; }
.folder-loading-header strong { color: var(--text); font-variant-numeric: tabular-nums; }
.folder-progress-track { height: 5px; overflow: hidden; border-radius: 999px; background: #292f38; }
.folder-progress-bar {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #397fd0, #69b5ff);
  box-shadow: 0 0 15px rgba(78,161,255,.45);
  transition: width .28s ease;
}

.progress-panel {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: 14px;
  overflow: hidden;
  border-top: 0;
  border-radius: 0 0 var(--radius) var(--radius);
}
.stat {
  position: relative;
  min-height: 68px;
  padding: 12px 16px 11px 31px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-content: center;
  column-gap: 8px;
  border-right: 1px solid var(--line);
}
.stat:last-child { border-right: 0; }
.stat-dot { position: absolute; left: 16px; top: 23px; width: 6px; height: 6px; border-radius: 50%; background: var(--muted); }
.stat strong { grid-row: 1 / 3; font-size: 1.42rem; line-height: 1; font-variant-numeric: tabular-nums; letter-spacing: -.04em; }
.stat > span:last-child { align-self: end; color: var(--muted); font-size: .68rem; }
.keep-stat .stat-dot { background: var(--keep); box-shadow: 0 0 8px rgba(70,213,144,.5); }
.favorite-stat .stat-dot { background: var(--favorite); box-shadow: 0 0 8px rgba(255,200,87,.5); }
.delete-stat .stat-dot { background: var(--delete); box-shadow: 0 0 8px rgba(255,102,115,.5); }

.filters { margin-bottom: 18px; padding: 0 18px; border-radius: var(--radius); }
.filters summary, .metadata summary {
  min-height: 53px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  color: var(--text-soft);
  font-size: .78rem;
  font-weight: 720;
  list-style-position: outside;
}
.filters summary small, .metadata summary small { margin-left: auto; }
.filters form {
  display: grid;
  grid-template-columns: repeat(4, minmax(130px, 1fr)) auto auto;
  align-items: end;
  gap: 10px;
  padding: 3px 0 17px;
}
.filters label { display: grid; gap: 5px; color: var(--muted); font-size: .68rem; font-weight: 600; }
.filters input, .filters select { width: 100%; min-height: 39px; padding: 8px 10px; }
.filters button, .login-card button, .empty button {
  min-height: 39px;
  padding: 9px 14px;
  border: 0;
  border-radius: 9px;
  background: var(--accent);
  color: #061220;
  cursor: pointer;
  font-weight: 800;
  transition: filter .16s ease, transform .16s ease;
}
.filters button:hover, .login-card button:hover, .empty button:hover { filter: brightness(1.1); }
.filters button:active, .login-card button:active, .empty button:active { transform: translateY(1px); }
.filters button.secondary { border: 1px solid var(--line-strong); background: var(--surface-soft); color: var(--text-soft); }

.card {
  width: 100%;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.rating-wrap {
  min-height: 68px;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #181c22, #15191e);
}
.rating-label { display: block; color: var(--text-soft); font-size: .76rem; font-weight: 720; }
.rating-control { display: flex; align-items: center; gap: 8px; }
.stars { display: flex; white-space: nowrap; }
.rating-star {
  padding: 3px 4px;
  border: 0;
  background: transparent;
  color: #414852;
  cursor: pointer;
  font-size: 1.55rem;
  line-height: 1;
  transition: color .13s ease, transform .13s ease;
}
.rating-star.filled { color: var(--favorite); text-shadow: 0 0 14px rgba(255,200,87,.22); }
.rating-star:hover, .rating-star:focus-visible { color: #ffdc8a; transform: translateY(-1px) scale(1.08); }
.rating-star:disabled { opacity: .5; cursor: wait; }
.clear-rating { width: 25px; height: 25px; padding: 0; border: 1px solid var(--line); border-radius: 50%; background: transparent; color: var(--muted); cursor: pointer; }

.photo-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: min(68vh, 760px);
  overflow: hidden;
  background-color: #050607;
  background-image: linear-gradient(45deg, rgba(255,255,255,.018) 25%, transparent 25%), linear-gradient(-45deg, rgba(255,255,255,.018) 25%, transparent 25%), linear-gradient(45deg, transparent 75%, rgba(255,255,255,.018) 75%), linear-gradient(-45deg, transparent 75%, rgba(255,255,255,.018) 75%);
  background-size: 24px 24px;
  background-position: 0 0, 0 12px, 12px -12px, -12px 0;
  touch-action: none;
  user-select: none;
}
.photo-stage::after { content: ""; position: absolute; inset: 0; pointer-events: none; box-shadow: inset 0 0 60px rgba(0,0,0,.26); }
.photo-stage img {
  z-index: 1;
  display: block;
  max-width: 100%;
  max-height: min(68vh, 760px);
  object-fit: contain;
  will-change: transform, opacity;
  transition: transform .24s ease, opacity .24s ease;
}
.photo-stage img.dragging { transition: none; }
.decision {
  z-index: 4;
  position: absolute;
  padding: 8px 13px;
  border: 3px solid currentColor;
  border-radius: 8px;
  background: rgba(5,6,7,.54);
  font-size: .86rem;
  font-weight: 900;
  letter-spacing: .12em;
  opacity: 0;
  pointer-events: none;
}
.decision-delete { top: 34px; right: 28px; color: var(--delete); transform: rotate(8deg); }
.decision-keep { top: 34px; left: 28px; color: var(--keep); transform: rotate(-8deg); }
.decision-favorite { left: 50%; bottom: 28px; color: var(--favorite); transform: translateX(-50%); }

.file-info { padding: 18px 20px 8px; }
.file-heading { display: flex; align-items: center; gap: 10px; }
.file-type-icon { display: grid; place-items: center; width: 30px; height: 30px; flex: 0 0 auto; border-radius: 8px; background: var(--surface-soft); color: var(--muted); }
.filename { min-width: 0; overflow-wrap: anywhere; font-size: .94rem; font-weight: 720; }
.badges { display: flex; flex-wrap: wrap; gap: 7px; margin: 10px 0 0 40px; }
.badge { padding: 4px 8px; border: 1px solid #303741; border-radius: 999px; background: #20252c; color: #aeb6c1; font-size: .65rem; }
.badge.paired { border-color: rgba(70,213,144,.22); background: rgba(70,213,144,.10); color: #8ce6b8; }
.duplicate-warning { margin: 12px 20px 0; padding: 12px 14px; border: 1px solid rgba(255,200,87,.34); border-radius: 9px; background: rgba(255,200,87,.08); color: #f4d895; font-size: .76rem; }
.duplicate-warning strong { display: block; margin-bottom: 5px; color: #ffe4a2; }

.actions { display: flex; justify-content: center; align-items: flex-start; gap: clamp(34px, 7vw, 76px); padding: 19px 20px 22px; }
.action { display: grid; justify-items: center; gap: 7px; min-width: 68px; padding: 0; border: 0; background: transparent; color: var(--text-soft); cursor: pointer; }
.action-icon {
  display: grid;
  place-items: center;
  width: 55px;
  height: 55px;
  border: 1px solid currentColor;
  border-radius: 50%;
  background: rgba(255,255,255,.025);
  font-size: 1.8rem;
  line-height: 1;
  transition: transform .16s ease, background .16s ease, box-shadow .16s ease;
}
.action-label { color: var(--muted); font-size: .65rem; font-weight: 650; }
.action:hover .action-icon { transform: translateY(-2px) scale(1.04); background: rgba(255,255,255,.06); }
.action:disabled { opacity: .34; cursor: wait; }
.action.delete .action-icon { color: var(--delete); }
.action.favorite .action-icon { width: 49px; height: 49px; color: var(--favorite); font-size: 1.32rem; }
.action.keep .action-icon { color: var(--keep); }
.action.delete:hover .action-icon { box-shadow: 0 8px 24px rgba(255,102,115,.12); }
.action.favorite:hover .action-icon { box-shadow: 0 8px 24px rgba(255,200,87,.12); }
.action.keep:hover .action-icon { box-shadow: 0 8px 24px rgba(70,213,144,.12); }

.metadata { padding: 0 20px 18px; border-top: 1px solid var(--line); background: #0f1216; }
.metadata summary { min-height: 58px; }
.metadata dl { margin: 0; display: grid; grid-template-columns: minmax(150px, .55fr) 1.45fr; gap: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 9px; font-size: .75rem; }
.metadata dt, .metadata dd { min-width: 0; padding: 8px 11px; overflow-wrap: anywhere; border-bottom: 1px solid rgba(42,48,57,.72); }
.metadata dt { color: var(--muted); background: rgba(255,255,255,.018); }
.metadata dd { margin: 0; color: var(--text-soft); }
.metadata dt:last-of-type, .metadata dd:last-of-type { border-bottom: 0; }

.notice, .empty { width: min(100%, 680px); margin: 48px auto; padding: 32px; text-align: center; border: 1px solid var(--line); border-radius: 16px; background: var(--surface-raised); box-shadow: var(--shadow); }
.notice { border-color: rgba(255,102,115,.32); color: #ffc1c7; }
.empty-icon { width: 60px; height: 60px; margin: 0 auto 14px; display: grid; place-items: center; border: 1px solid rgba(70,213,144,.5); border-radius: 50%; background: rgba(70,213,144,.08); color: var(--keep); font-size: 1.8rem; }
.empty h2 { margin: 0; font-size: 1.25rem; }
.empty p { color: var(--muted); font-size: .84rem; }
.hidden { display: none !important; }

.loader { z-index: 2; position: absolute; width: 42px; height: 42px; border: 3px solid #2d333c; border-top-color: var(--accent); border-radius: 50%; animation: spin .75s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

footer {
  position: fixed;
  z-index: 15;
  bottom: 0;
  width: 100%;
  min-height: 46px;
  padding: 10px max(20px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom));
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 28px;
  border-top: 1px solid rgba(255,255,255,.07);
  background: rgba(9,11,14,.88);
  backdrop-filter: blur(18px);
  color: var(--muted);
  font-size: .65rem;
}
kbd { margin-right: 3px; padding: 2px 6px; border: 1px solid #414956; border-bottom-width: 2px; border-radius: 5px; background: #181c21; color: var(--text-soft); font-family: inherit; font-size: .64rem; }

.login-page { display: grid; place-items: center; padding: 24px; }
.login-page::before { content: ""; position: fixed; inset: 0; pointer-events: none; background: radial-gradient(circle at 50% 30%, rgba(78,161,255,.08), transparent 26rem); }
.login-card { position: relative; width: min(100%, 410px); margin: 0; padding: 34px; border: 1px solid var(--line); border-radius: 18px; background: rgba(18,22,27,.94); box-shadow: 0 30px 90px rgba(0,0,0,.48); }
.login-brand-mark { width: 50px; height: 50px; margin-bottom: 28px; }
.login-card h1 { margin-top: 5px; font-size: 1.55rem; }
.login-card > p { max-width: 310px; margin: 9px 0 0; color: var(--muted); font-size: .83rem; line-height: 1.55; }
.login-card form { display: grid; gap: 8px; margin-top: 25px; }
.login-card label { color: var(--text-soft); font-size: .7rem; font-weight: 650; }
.login-card input { min-height: 48px; padding: 11px 13px; font-size: 1.2rem; letter-spacing: .2em; }
.login-card button { min-height: 46px; margin-top: 7px; }
.login-error { margin-top: 17px; padding: 10px 12px; border: 1px solid rgba(255,102,115,.28); border-radius: 8px; background: rgba(255,102,115,.09); color: #ffc2c7; font-size: .76rem; }

@media (max-width: 900px) {
  .filters form { grid-template-columns: repeat(2, 1fr); }
  .filters button { width: 100%; }
  .photo-stage, .photo-stage img { min-height: auto; max-height: 64vh; }
}

@media (max-width: 600px) {
  .topbar { min-height: 64px; padding: 10px 12px; }
  .brand { gap: 9px; }
  .brand-mark { width: 37px; height: 37px; border-radius: 9px; }
  .eyebrow { font-size: .54rem; }
  h1 { font-size: 1.04rem; }
  .tool-button { min-height: 34px; padding: 7px 9px; font-size: .68rem; }
  .header-actions { gap: 5px; }
  body > main:not(.login-card) { width: 100%; padding: 12px 0 92px; }
  .workspace-panel, .progress-panel, .filters, .card { border-right: 0; border-left: 0; border-radius: 0; }
  .workspace-panel { padding: 14px 13px; }
  .folder-picker { align-items: stretch; flex-direction: column; gap: 12px; }
  .folder-picker select { width: 100%; }
  .progress-panel { margin-bottom: 10px; }
  .stat { min-height: 60px; padding: 9px 4px 8px 18px; text-align: left; column-gap: 4px; }
  .stat-dot { left: 8px; top: 20px; width: 5px; height: 5px; }
  .stat strong { font-size: 1.15rem; }
  .stat > span:last-child { font-size: .57rem; }
  .filters { margin-bottom: 10px; padding: 0 13px; }
  .filters summary small, .metadata summary small { display: none; }
  .filters form { grid-template-columns: 1fr; padding-bottom: 14px; }
  .rating-wrap { min-height: 61px; padding: 10px 13px; }
  .rating-copy small { display: none; }
  .rating-star { padding: 2px; font-size: 1.42rem; }
  .photo-stage, .photo-stage img { max-height: 57vh; }
  .file-info { padding: 14px 13px 6px; }
  .badges { margin-left: 0; }
  .duplicate-warning { margin: 10px 13px 0; }
  .actions {
    position: sticky;
    z-index: 8;
    bottom: calc(42px + env(safe-area-inset-bottom));
    gap: clamp(28px, 10vw, 52px);
    padding: 14px 12px 15px;
    border-top: 1px solid rgba(255,255,255,.06);
    border-bottom: 1px solid var(--line);
    background: rgba(17,20,25,.92);
    backdrop-filter: blur(16px);
  }
  .action-icon { width: 52px; height: 52px; }
  .action.favorite .action-icon { width: 47px; height: 47px; }
  .metadata { padding: 0 13px 15px; }
  .metadata dl { grid-template-columns: 1fr; }
  .metadata dt { padding-bottom: 2px; border-bottom: 0; font-size: .65rem; }
  .metadata dd { padding-top: 2px; }
  footer { min-height: 42px; gap: 12px; padding-top: 8px; padding-bottom: max(8px, env(safe-area-inset-bottom)); }
  footer span:last-child { display: none; }
  .login-card { padding: 28px 23px; }
}

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