/* ══════════════════════════════════════════════════════════════════
   DocScan — Camera & Crop: Apple-like experience
   ─────────────────────────────────────────────────────────────────
   Source picker sheet (iOS action sheet style)
   Camera card (centered modal, not fullscreen)
   Crop editor card
   All iPhone-like: spring animations, frosted glass, rounded corners
══════════════════════════════════════════════════════════════════ */

/* ── Shared backdrop ─────────────────────────────────────────── */
.cam-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 8000;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: backdropIn 250ms ease forwards;
}
.cam-backdrop.open { display: block; }
.cam-backdrop.out  { animation: backdropOut 220ms ease forwards; }
@keyframes backdropIn  { from { opacity: 0 } to { opacity: 1 } }
@keyframes backdropOut { to   { opacity: 0 } }

/* ══════════════════════════════════════════════════════════════
   SOURCE PICKER — iOS Action Sheet
══════════════════════════════════════════════════════════════ */
.source-sheet {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 8100;
  padding: 0 12px calc(12px + env(safe-area-inset-bottom, 0px));
}
.source-sheet.open {
  display: block;
  animation: sheetIn 380ms cubic-bezier(0.34, 1.3, 0.64, 1) forwards;
}
.source-sheet.out {
  animation: sheetOut 260ms cubic-bezier(0.4, 0, 1, 1) forwards;
}
@keyframes sheetIn  { from { transform: translateY(110%) } to { transform: translateY(0) } }
@keyframes sheetOut { to   { transform: translateY(110%) } }

.source-sheet-card {
  background: rgba(28, 28, 32, 0.96);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.10);
  box-shadow: 0 -4px 40px rgba(0,0,0,0.5), 0 0 0 0.5px rgba(255,255,255,0.07);
}

/* Doc info header */
.source-sheet-hdr {
  padding: 14px 20px 10px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  text-align: center;
}
.source-sheet-doc {
  font-size: 12px;
  font-weight: 500;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.02em;
}
.source-sheet-side {
  font-family: -apple-system, 'SF Pro Display', var(--fd);
  font-size: 16px;
  font-weight: 600;
  color: rgba(255,255,255,0.92);
  margin-top: 2px;
}

/* Options */
.source-option {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  cursor: pointer;
  transition: background 140ms ease;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
.source-option:not(:last-child) {
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.source-option:active {
  background: rgba(255,255,255,0.06);
}

.source-option-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 20px;
}
.source-option-icon.cam-icon {
  background: linear-gradient(135deg, #1a1a2e, #16213e);
  border: 1px solid rgba(255,255,255,0.12);
}
.source-option-icon.lib-icon {
  background: linear-gradient(135deg, #1a2e1a, #162116);
  border: 1px solid rgba(255,255,255,0.12);
}

.source-option-text { flex: 1 }
.source-option-title {
  font-family: -apple-system, 'SF Pro Text', var(--fb);
  font-size: 16px;
  font-weight: 500;
  color: rgba(255,255,255,0.92);
}
.source-option-sub {
  font-size: 12px;
  color: rgba(255,255,255,0.35);
  margin-top: 1px;
}
.source-option-chevron {
  color: rgba(255,255,255,0.25);
  font-size: 13px;
}

/* Cancel button (standalone) */
.source-cancel {
  margin-top: 10px;
  background: rgba(28, 28, 32, 0.96);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border-radius: 14px;
  padding: 17px;
  text-align: center;
  cursor: pointer;
  font-family: -apple-system, 'SF Pro Text', var(--fb);
  font-size: 17px;
  font-weight: 600;
  color: #0a84ff;
  border: 1px solid rgba(255,255,255,0.08);
  transition: background 140ms ease;
  -webkit-tap-highlight-color: transparent;
}
.source-cancel:active { background: rgba(40,40,50,0.96); }

/* ══════════════════════════════════════════════════════════════
   CAMERA CARD — centered, not fullscreen
══════════════════════════════════════════════════════════════ */
.cam-card {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 8200;
  align-items: center;
  justify-content: center;
  padding: 20px 16px calc(20px + env(safe-area-inset-bottom, 0px));
}
.cam-card.open {
  display: flex;
  animation: cardIn 400ms cubic-bezier(0.34, 1.2, 0.64, 1) forwards;
}
.cam-card.out {
  animation: cardOut 280ms cubic-bezier(0.4, 0, 0.6, 1) forwards;
}
@keyframes cardIn  { from { opacity:0; transform: scale(0.88) } to { opacity:1; transform: scale(1) } }
@keyframes cardOut { to   { opacity:0; transform: scale(0.92) } }

.cam-card-inner {
  background: #000;
  border-radius: 26px;
  overflow: hidden;
  width: 100%;
  max-width: 480px;
  box-shadow:
    0 30px 80px rgba(0,0,0,0.7),
    0 0 0 0.5px rgba(255,255,255,0.08);
  display: flex;
  flex-direction: column;
  /* Height: fills available space on mobile, fixed ratio on desktop */
  max-height: calc(100dvh - 40px);
  aspect-ratio: 3 / 4;
}

/* Viewfinder area (flexible) */
.cam-vf-area {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  background: #111;
}

#cam-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

/* Top overlay bar (doc name + close) */
.cam-top-bar {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 10px;
  background: linear-gradient(to bottom, rgba(0,0,0,0.65) 0%, transparent 100%);
}
.cam-top-info {
  display: flex;
  align-items: center;
  gap: 8px;
}
.cam-doc-badge {
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 20px;
  padding: 4px 12px;
  font-family: -apple-system, 'SF Pro Text', var(--fb);
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  white-space: nowrap;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cam-side-badge {
  background: var(--c);
  border-radius: 20px;
  padding: 4px 10px;
  font-family: var(--fm);
  font-size: 10px;
  font-weight: 500;
  color: var(--bg);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.cam-close-btn {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.14);
  color: rgba(255,255,255,0.85);
  font-size: 13px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background 140ms;
  flex-shrink: 0;
}
.cam-close-btn:hover { background: rgba(40,40,40,0.7); }
.cam-close-btn:active { transform: scale(0.9); }

/* Camera controls bottom */
.cam-controls-bar {
  background: #1c1c1e;
  padding: 20px 28px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0;
  flex-shrink: 0;
}

/* Thumb (last capture) */
.cam-thumb-wrap {
  width: 52px; height: 52px;
  position: relative;
  flex-shrink: 0;
}
#cam-thumb {
  width: 52px; height: 52px;
  border-radius: 10px;
  object-fit: cover;
  border: 2px solid rgba(255,255,255,0.22);
  display: none;
  cursor: pointer;
}
/* Empty thumb placeholder */
.cam-thumb-empty {
  width: 52px; height: 52px;
  border-radius: 10px;
  background: rgba(255,255,255,0.07);
  border: 1.5px solid rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background 140ms;
}
.cam-thumb-empty:active { background: rgba(255,255,255,0.12); }
.cam-thumb-empty svg { opacity: 0.5; }

/* Shutter — Apple camera style */
.cam-shutter-btn {
  width: 72px; height: 72px;
  position: relative;
  flex-shrink: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.shutter-outer {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.85);
  transition: transform 120ms cubic-bezier(0.34, 1.56, 0.64, 1);
}
.shutter-inner {
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  background: white;
  transition: all 120ms cubic-bezier(0.34, 1.56, 0.64, 1);
}
.cam-shutter-btn:active .shutter-outer { transform: scale(0.93); }
.cam-shutter-btn:active .shutter-inner { transform: scale(0.84); background: rgba(255,255,255,0.85); }

/* Flip camera — custom SVG button */
.cam-flip-btn {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  border: none;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background 140ms, transform 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
  flex-shrink: 0;
}
.cam-flip-btn:hover { background: rgba(255,255,255,0.18); }
.cam-flip-btn:active { background: rgba(255,255,255,0.24); }
.cam-flip-btn.spinning { transform: rotateY(180deg); }
.cam-flip-btn svg { color: white; }

/* Hidden flip on single-camera devices */
.cam-flip-btn.hidden,
.cam-thumb-empty.hidden { visibility: hidden; pointer-events: none; }

/* ══════════════════════════════════════════════════════════════
   CROP EDITOR CARD
══════════════════════════════════════════════════════════════ */
.crop-card {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 8300;
  align-items: center;
  justify-content: center;
  padding: 14px 10px calc(14px + env(safe-area-inset-bottom, 0px));
}
.crop-card.open {
  display: flex;
  animation: cardIn 360ms cubic-bezier(0.34, 1.15, 0.64, 1) forwards;
}
.crop-card.out {
  animation: cardOut 240ms cubic-bezier(0.4, 0, 0.6, 1) forwards;
}

.crop-card-inner {
  background: #1c1c1e;
  border-radius: 22px;
  overflow: hidden;
  width: 100%;
  max-width: 600px;
  /* Fill as much vertical space as possible */
  height: calc(100dvh - 28px - env(safe-area-inset-bottom, 0px));
  max-height: 900px;
  display: flex;
  flex-direction: column;
  box-shadow:
    0 30px 80px rgba(0,0,0,0.7),
    0 0 0 0.5px rgba(255,255,255,0.08);
}

/* Header — 2 rows: row1 = title + tools, row2 = subtitle */
.crop-card-hdr {
  padding: 12px 14px 10px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex-shrink: 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.crop-card-hdr-row1 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-width: 0;
}
.crop-card-title {
  font-family: -apple-system, 'SF Pro Display', var(--fd);
  font-size: 15px;
  font-weight: 600;
  color: rgba(255,255,255,0.92);
  white-space: nowrap;
}
.crop-card-sub {
  font-size: 11px;
  color: rgba(255,255,255,0.32);
  line-height: 1.35;
}

/* Tool buttons in crop header */
.crop-hdr-tools {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.crop-tool-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 32px;
  padding: 0 10px;
  border-radius: 9px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12) !important;
  color: rgba(255,255,255,0.75);
  font-family: -apple-system, 'SF Pro Text', var(--fb);
  font-size: 11.5px;
  font-weight: 500;
  cursor: pointer;
  transition: background 140ms, color 140ms, border-color 140ms;
  -webkit-tap-highlight-color: transparent;
  white-space: nowrap;
}
.crop-tool-btn:hover { background: rgba(255,255,255,0.14); color: rgba(255,255,255,0.95); }
.crop-tool-btn:active { background: rgba(255,255,255,0.20); transform: scale(0.95); }
.crop-tool-btn.active {
  background: rgba(0,212,255,0.15);
  border-color: rgba(0,212,255,0.5) !important;
  color: #00d4ff;
}
.crop-tool-lbl { font-size: 10.5px; }

/* Canvas stage — flex:1 so it fills ALL remaining space */
.crop-canvas-area {
  flex: 1;
  min-height: 0;
  background: #111;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
#crop-cvs {
  display: block;
  touch-action: none;
  cursor: crosshair;
  /* Fills the container as much as possible, aspect ratio preserved by JS */
  max-width: 100%;
  max-height: 100%;
}

/* Action bar */
.crop-card-bar {
  padding: 11px 14px;
  display: flex;
  gap: 10px;
  align-items: center;
  flex-shrink: 0;
  border-top: 1px solid rgba(255,255,255,0.07);
}

/* iOS-style buttons */
.btn-ios-ghost {
  height: 48px;
  padding: 0 20px;
  border-radius: 14px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1) !important;
  font-family: -apple-system, 'SF Pro Text', var(--fb);
  font-size: 15px;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  cursor: pointer;
  transition: background 140ms, transform 120ms cubic-bezier(0.34, 1.56, 0.64, 1);
  white-space: nowrap;
  display: flex; align-items: center; gap: 6px;
}
.btn-ios-ghost:active { background: rgba(255,255,255,0.14); transform: scale(0.97); }

.btn-ios-primary {
  flex: 1;
  height: 48px;
  border-radius: 14px;
  background: #0a84ff;
  border: none;
  font-family: -apple-system, 'SF Pro Text', var(--fb);
  font-size: 15px;
  font-weight: 600;
  color: white;
  cursor: pointer;
  transition: background 140ms, transform 120ms cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex; align-items: center; justify-content: center; gap: 7px;
  box-shadow: 0 4px 16px rgba(10, 132, 255, 0.35);
}
.btn-ios-primary:hover { background: #1a8fff; }
.btn-ios-primary:active { background: #0070e0; transform: scale(0.97); box-shadow: none; }

/* Capture slot — source picker trigger ---------------------- */
.cap-slot-picker {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}
/* override existing cap-slot click logic - don't open camera directly */

/* ──────────────────────────────────────────────────────────── */

/* Mobile: full-width source sheet */
@media (min-width: 640px) {
  .source-sheet {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 8100;
    padding: 0;
    align-items: center;
    justify-content: center;
  }
  .source-sheet.open {
    display: flex;
    animation: cardIn 320ms cubic-bezier(0.34, 1.2, 0.64, 1) forwards;
  }
  .source-sheet.out {
    animation: cardOut 240ms cubic-bezier(0.4, 0, 0.6, 1) forwards;
  }
  .source-sheet-card {
    max-width: 360px;
    width: 100%;
    border-radius: 20px;
    margin: 0 16px;
  }
  .source-cancel {
    display: none; /* On desktop, click outside closes */
  }
}

@media (min-width: 1024px) {
  .cam-card-inner {
    max-width: 440px;
    aspect-ratio: 4 / 5;
  }
  .crop-card-inner {
    max-width: 560px;
  }
}

/* ══════════════════════════════════════════════════════════════
   CROP MAGNIFIER LENS
══════════════════════════════════════════════════════════════ */
#crop-magnifier {
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.7);
  box-shadow:
    0 0 0 1px rgba(0,0,0,0.35),
    0 8px 28px rgba(0,0,0,0.65);
  overflow: hidden;
  pointer-events: none;
  z-index: 20;
  opacity: 0;
  transition: opacity 120ms ease;
  background: #111;
}
#crop-magnifier.visible { opacity: 1; }
#crop-magnifier canvas {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  border-radius: 50%;
}
/* mag-crosshair is now drawn directly on the canvas — no CSS needed */
.mag-crosshair { display: none; }