/* Papyrus Review UI — minimal card-based design.
 * Same aesthetic across all screens: soft gradient bg, centered white card, accent gradient.
 */

/* ==========  Tokens  ========== */
:root {
  --bg: #f5f4ee;
  --bg-soft: #ebeae3;
  --surface: #ffffff;
  --surface-2: #fafaf6;
  --border: #e6e3d9;
  --border-strong: #d0cdc4;
  --text: #15171a;
  --text-soft: #50545b;
  --text-muted: #8a8d92;

  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: rgba(37, 99, 235, 0.08);
  --accent-border: rgba(37, 99, 235, 0.22);
  --success: #16a34a;
  --success-soft: rgba(22, 163, 74, 0.10);
  --warning: #d97706;
  --warning-soft: rgba(217, 119, 6, 0.10);
  --danger: #dc2626;
  --danger-soft: rgba(220, 38, 38, 0.08);

  --radius: 10px;
  --radius-lg: 14px;
  --radius-xl: 22px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow:    0 1px 2px rgba(0,0,0,0.04), 0 8px 24px rgba(20,30,50,0.08);
  --shadow-lg: 0 4px 10px rgba(0,0,0,0.06), 0 30px 60px rgba(20,30,50,0.12);

  --gradient-accent: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  --gradient-success: linear-gradient(135deg, #34d399 0%, #16a34a 100%);

  --kbd-bg: #f3f1ea;
  --kbd-border: #d8d4c7;
  --kbd-shadow: inset 0 -1px 0 #c8c4b6;
}

.dark-theme {
  --bg: #0e1014;
  --bg-soft: #14171c;
  --surface: #1a1d24;
  --surface-2: #20242c;
  --border: #2a2f38;
  --border-strong: #3a4150;
  --text: #ecedef;
  --text-soft: #b0b4bc;
  --text-muted: #707682;

  --accent: #60a5fa;
  --accent-hover: #93c5fd;
  --accent-soft: rgba(96, 165, 250, 0.14);
  --accent-border: rgba(96, 165, 250, 0.35);
  --success: #4ade80;
  --success-soft: rgba(74, 222, 128, 0.14);
  --warning: #fbbf24;
  --warning-soft: rgba(251, 191, 36, 0.14);
  --danger: #f87171;
  --danger-soft: rgba(248, 113, 113, 0.14);

  --shadow:    0 2px 6px rgba(0,0,0,0.4), 0 20px 40px rgba(0,0,0,0.5);
  --shadow-lg: 0 4px 10px rgba(0,0,0,0.5), 0 30px 60px rgba(0,0,0,0.6);

  --kbd-bg: #2a2f38;
  --kbd-border: #3a4150;
  --kbd-shadow: inset 0 -1px 0 #14171c;
}

/* ==========  Base  ========== */

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(circle at 12% 18%, var(--accent-soft) 0%, transparent 35%),
    radial-gradient(circle at 88% 82%, var(--success-soft) 0%, transparent 38%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "SF Pro Text",
               "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  font-size: 15px;
  line-height: 1.45;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
}

#app { min-height: 100vh; display: flex; flex-direction: column; }

.screen {
  display: flex;
  flex-direction: column;
  flex: 1;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
  animation: fade-in 200ms ease-out;
}
.screen.hidden { display: none; }

@keyframes fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

kbd {
  display: inline-block;
  background: var(--kbd-bg);
  border: 1px solid var(--kbd-border);
  border-radius: 5px;
  padding: 1px 6px;
  font-family: "SF Mono", "JetBrains Mono", Consolas, monospace;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-soft);
  box-shadow: var(--kbd-shadow);
  min-width: 16px;
  text-align: center;
  line-height: 1.4;
}

.hint { color: var(--text-muted); font-size: 13px; }

/* ==========  Card (used by all screens)  ========== */

.onboarding-card,
.done-card,
.review-card {
  background: var(--surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  width: 100%;
  text-align: center;
}

.onboarding-card,
.done-card {
  max-width: 460px;
  padding: 40px 44px;
}

.onboarding-card h1,
.done-card h1 {
  margin: 0 0 8px;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.onboarding-card .hint,
.done-card .hint { font-size: 14px; margin: 6px 0 18px; }

#initials-input {
  width: 100%;
  padding: 14px 16px;
  font-size: 20px;
  font-weight: 600;
  text-align: center;
  text-transform: uppercase;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-2);
  color: var(--text);
  letter-spacing: 0.08em;
  margin: 8px 0 18px;
  transition: all 120ms;
  outline: none;
}
#initials-input:focus {
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.primary-btn {
  width: 100%;
  padding: 13px 22px;
  font-size: 15px;
  font-weight: 600;
  background: var(--gradient-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 120ms;
  box-shadow: 0 4px 12px var(--accent-soft);
  letter-spacing: 0.01em;
}
.primary-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px var(--accent-soft);
}
.primary-btn:active { transform: translateY(0); }

.batch-info { margin-top: 16px; font-size: 11.5px; word-break: break-all; opacity: 0.55; }

/* ==========  Review screen  ========== */

#review-screen {
  padding: 16px;
  gap: 12px;
}

.review-header {
  background: var(--surface);
  color: var(--text);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 12px 24px;
  flex-shrink: 0;
  height: 56px;
  width: 100%;
  max-width: 1280px;
}

.review-card {
  max-width: 1280px;
  display: flex;
  flex-direction: column;
  flex: 1;
  height: calc(100vh - 100px);
  max-height: 920px;
  overflow: hidden;
}

.review-header .left,
.review-header .right {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}
.review-header .center {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 14px;
  justify-content: center;
}

.brand {
  font-weight: 700;
  font-size: 14.5px;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--text);
}
.brand::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: var(--gradient-accent);
  box-shadow: 0 2px 6px var(--accent-soft);
}

.reviewer-pill {
  background: var(--accent-soft);
  color: var(--accent);
  padding: 4px 11px;
  border-radius: 100px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: all 100ms;
}
.reviewer-pill:hover {
  background: var(--accent);
  color: #fff;
}

.progress-bar {
  flex: 1;
  max-width: 460px;
  height: 6px;
  background: var(--bg-soft);
  border-radius: 100px;
  overflow: hidden;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.05);
}
.progress-fill {
  height: 100%;
  background: var(--gradient-success);
  width: 0%;
  border-radius: 100px;
  transition: width 80ms linear;
}

.progress-text {
  font-size: 12.5px;
  color: var(--text-soft);
  white-space: nowrap;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.rate-pill {
  font-size: 11.5px;
  color: var(--text-muted);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

/* main */
.review-main {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 18px 28px 18px;
  gap: 14px;
  min-height: 0;
}

.meta-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-muted);
  padding: 0 4px;
  text-align: left;
  flex-wrap: wrap;
}
.meta-bar .meta-strong { color: var(--text); font-weight: 600; }
.meta-bar .meta-sep { color: var(--border-strong); user-select: none; }
.meta-bar .meta-label {
  color: var(--text-soft);
  font-style: italic;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 60vw;
}

.content-area {
  flex: 1;
  display: flex;
  min-height: 0;
  gap: 14px;
}
.content-area.vertical-layout {
  /* Кнопки слева, ROI справа от них (но прижата к левому краю своего фрейма
     → кнопки вплотную к кружкам, которые на анкете тоже слева от подписей). */
  flex-direction: row;
  gap: 0;
}
.content-area.vertical-layout .action-row.vertical-side {
  order: 0;
}
.content-area.vertical-layout .image-frame {
  order: 1;
  justify-content: flex-start;
  padding-left: 4px;
}

.image-frame {
  flex: 1;
  min-height: 200px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 18px;
}

/* Vertical layout: кнопки stack'ом справа, выровнены вертикально с кружками ROI */
.action-row.vertical-side {
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  gap: 8px;
  justify-content: center;
  align-items: stretch;
  min-width: 110px;
  max-width: 200px;
  padding: 8px 4px;
}
.action-row.vertical-side.hidden { display: none; }
.action-row.vertical-side .value-btn {
  width: 100%;
  min-width: unset;
  padding: 12px 14px;
  font-size: 17px;
}
.action-row.vertical-side .submit-multi-btn {
  margin-top: 8px;
}
.image-frame img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
  border-radius: 6px;
}

.hints {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 12.5px;
  padding: 0 4px;
  justify-content: flex-start;
}
.hint-pill {
  background: var(--bg-soft);
  border: none;
  border-radius: 100px;
  padding: 4px 12px;
  color: var(--text-soft);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.hint-pill::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
}
.hint-pill.vlm-high { color: var(--success); background: var(--success-soft); }
.hint-pill.vlm-high::before { background: var(--success); }
.hint-pill.vlm-low { color: var(--warning); background: var(--warning-soft); }
.hint-pill.vlm-low::before { background: var(--warning); }

/* ==========  Action buttons  ========== */

.action-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
}
.action-row.secondary { margin-top: 2px; }

.action-btn {
  background: var(--surface);
  border: 1.5px solid var(--border);
  color: var(--text);
  border-radius: var(--radius);
  padding: 12px 18px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  transition: all 100ms ease-out;
  min-width: 96px;
  justify-content: center;
  position: relative;
  user-select: none;
}
.action-btn:hover {
  border-color: var(--accent-border);
  background: var(--accent-soft);
  color: var(--accent);
  transform: translateY(-1px);
}
.action-btn:hover kbd {
  border-color: var(--accent-border);
}
.action-btn:active { transform: translateY(0); }

/* PRESS FEEDBACK — flash при выборе перед auto-advance */
.action-btn.flash {
  border-color: var(--accent);
  background: var(--gradient-accent);
  color: #fff;
  transform: scale(0.97);
  transition: all 60ms ease-out;
  box-shadow: 0 0 0 5px var(--accent-soft);
}
.action-btn.flash kbd {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.35);
  color: rgba(255,255,255,0.95);
  box-shadow: none;
}
.action-btn.flash.flash-blank { background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%); border-color: #4b5563; }
.action-btn.flash.flash-multi { background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%); border-color: #d97706; box-shadow: 0 0 0 5px var(--warning-soft); }

.action-btn kbd {
  font-size: 11px;
  margin-right: 1px;
}

/* Value buttons (1..N) */
.action-btn.value-btn {
  min-width: 84px;
  padding: 14px 20px;
  font-size: 18px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.action-btn.value-btn.suggested {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.action-btn.value-btn.suggested::after {
  content: "VLM";
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--accent);
  color: #fff;
  font-size: 8.5px;
  font-weight: 800;
  letter-spacing: 0.12em;
  padding: 2px 6px;
  border-radius: 100px;
  box-shadow: 0 2px 4px var(--accent-soft);
}

/* Multi-toggle */
.action-btn.value-btn.multi-toggle.selected {
  background: var(--gradient-success);
  color: #fff;
  border-color: var(--success);
  box-shadow: 0 0 0 3px var(--success-soft);
}
.action-btn.value-btn.multi-toggle.selected:hover { color: #fff; }
.action-btn.value-btn.multi-toggle.selected kbd {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.35);
  color: rgba(255,255,255,0.95);
  box-shadow: none;
}

.action-btn.submit-multi-btn {
  background: var(--gradient-accent);
  color: #fff;
  border-color: transparent;
  font-weight: 700;
  box-shadow: 0 2px 8px var(--accent-soft);
}
.action-btn.submit-multi-btn:hover {
  box-shadow: 0 4px 14px var(--accent-soft);
  border-color: transparent;
  background: var(--gradient-accent);
  color: #fff;
  transform: translateY(-1px);
}
.action-btn.submit-multi-btn kbd {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.35);
  color: rgba(255,255,255,0.95);
  box-shadow: none;
}

.action-btn.back-btn {
  padding: 10px 16px;
  font-size: 13.5px;
  min-width: 88px;
  color: var(--text-muted);
}
.action-btn.back-btn:hover { color: var(--text); border-color: var(--border-strong); background: var(--bg-soft); }

.footer-hint {
  text-align: center;
  font-size: 11.5px;
  color: var(--text-muted);
  padding: 4px 0 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4px 14px;
}
.footer-hint kbd {
  font-size: 10px;
  padding: 0 5px;
}

/* ==========  Done screen  ========== */

.done-card { padding: 44px 40px; }
.done-card h1::before {
  content: "";
  display: block;
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  background:
    var(--gradient-success);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E"),
    var(--gradient-success);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 32px 32px, cover;
  border-radius: 50%;
  box-shadow: 0 6px 18px var(--success-soft);
}

.done-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 22px;
}

.secondary-link-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-soft);
  padding: 11px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 120ms;
}
.secondary-link-btn:hover { border-color: var(--accent-border); color: var(--accent); background: var(--accent-soft); }
.secondary-link-btn.danger:hover { border-color: var(--danger); color: var(--danger); background: var(--danger-soft); }

/* ==========  Page overlay  ========== */

.page-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 13, 18, 0.85);
  z-index: 90;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  animation: fade-in 140ms ease-out;
}
.page-overlay.hidden { display: none; }
.page-overlay-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 22px;
  color: rgba(255,255,255,0.8);
  font-size: 13px;
  font-weight: 500;
}
.page-overlay-toolbar .secondary-link-btn {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.9);
}
.page-overlay-toolbar .secondary-link-btn:hover {
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.3);
  color: #fff;
}
.page-overlay-image {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  padding: 0 16px 16px;
}
.page-overlay-image img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

/* ==========  Toast  ========== */

.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: var(--bg);
  padding: 10px 20px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  z-index: 100;
  pointer-events: none;
  box-shadow: var(--shadow-lg);
  transition: opacity 160ms, transform 160ms;
}
.toast.hidden { opacity: 0; transform: translate(-50%, 8px); }