/* ============================================================
   SaiTaMo EditPDF — ธีมเทอร์ควอยซ์ ชุดเดียวกับ file.saitamo.com
   ค่าตั้งต้น = โหมดมืด
   ============================================================ */
:root {
  --bg: #0f3245;
  --panel: #164257;
  --panel-2: #1c5068;
  --line: #2b6683;
  --text: #eaf7fd;
  --muted: #a8ccdd;
  --accent: #45d6c2;
  --accent-2: #4cb8f5;
  --on-accent: #052430;
  --danger: #ff8a8a;
  --danger-solid: #e5484d;
  --on-danger: #2a0708;
  --warn: #ffcf70;
  --radius: 14px;
  --radius-sm: 10px;
  --font: 'IBM Plex Sans Thai', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --spring: cubic-bezier(.34, 1.56, .64, 1);
  --shadow: 0 2px 16px rgba(3, 16, 24, .45);
  --shadow-lg: 0 18px 46px rgba(3, 16, 24, .55);
  --ring: var(--accent);
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme='dark']) {
    --bg: #eef4f2;
    --panel: #ffffff;
    --panel-2: #e4efec;
    --line: #d3e2dd;
    --text: #0c2b3c;
    --muted: #4c7286;
    --accent: #0e8f87;
    --accent-2: #0b74c4;
    --on-accent: #ffffff;
    --danger: #cc2f2f;
    --danger-solid: #cc2f2f;
    --on-danger: #ffffff;
    --warn: #a86400;
    --shadow: 0 1px 2px rgba(20, 50, 60, .04), 0 12px 30px -14px rgba(20, 50, 60, .18);
    --shadow-lg: 0 18px 46px -18px rgba(20, 50, 60, .3);
    color-scheme: light;
  }
}
:root[data-theme='light'] {
  --bg: #eef4f2;
  --panel: #ffffff;
  --panel-2: #e4efec;
  --line: #d3e2dd;
  --text: #0c2b3c;
  --muted: #4c7286;
  --accent: #0e8f87;
  --accent-2: #0b74c4;
  --on-accent: #ffffff;
  --danger: #cc2f2f;
  --danger-solid: #cc2f2f;
  --on-danger: #ffffff;
  --warn: #a86400;
  --shadow: 0 1px 2px rgba(20, 50, 60, .04), 0 12px 30px -14px rgba(20, 50, 60, .18);
  --shadow-lg: 0 18px 46px -18px rgba(20, 50, 60, .3);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
a { color: var(--accent); }
svg { display: block; }
[hidden] { display: none !important; }
img { max-width: 100%; }

/* โฟกัสคีย์บอร์ดต้องเห็นชัดทุกจุดที่กดได้ */
:where(a, button, [tabindex], input, select, textarea, [contenteditable]):focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 2px;
  border-radius: 10px;
}
.skip-link {
  position: absolute; left: 14px; top: -60px; z-index: 200;
  background: var(--panel); color: var(--text); border: 1px solid var(--line);
  border-radius: 10px; padding: 10px 16px; font-weight: 700; transition: top .18s;
}
.skip-link:focus { top: 14px; }

.glow {
  position: fixed; inset: -30% 0 auto 0; height: 60vh;
  background:
    radial-gradient(50% 65% at 18% 35%, color-mix(in srgb, var(--accent) 26%, transparent), transparent 72%),
    radial-gradient(45% 60% at 82% 28%, color-mix(in srgb, var(--accent-2) 26%, transparent), transparent 72%);
  filter: blur(24px); pointer-events: none; z-index: 0;
}

.wrap {
  position: relative; z-index: 1; max-width: 1080px; margin: 0 auto;
  padding: 0 calc(18px + env(safe-area-inset-right)) 0 calc(18px + env(safe-area-inset-left));
}

/* ---------- Header ---------- */
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 0; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 700; font-size: 18px; color: var(--text); text-decoration: none; }
.brand .hero-mark { width: 40px; height: 40px; flex: none; }
.brand small { display: block; font-size: 12px; font-weight: 500; color: var(--muted); }
.header-actions { display: inline-flex; gap: 8px; }
.icon-btn {
  font: inherit; cursor: pointer; display: inline-flex; align-items: center; gap: 8px;
  min-height: 44px; padding: 0 14px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--panel); color: var(--text); font-weight: 600; font-size: 14px;
  transition: transform .15s var(--spring), border-color .15s, background .15s;
}
.icon-btn:hover { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); background: var(--panel-2); }
.icon-btn:active { transform: scale(.95); }
.icon-btn svg { width: 18px; height: 18px; }

/* ---------- Buttons ---------- */
.btn {
  font: inherit; font-weight: 700; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 18px; border-radius: 999px; border: 1px solid transparent;
  transition: transform .15s var(--spring), background .15s, border-color .15s, opacity .15s;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn:active { transform: scale(.96); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn--primary { background: var(--accent); color: var(--on-accent); }
.btn--primary:hover:not(:disabled) { background: color-mix(in srgb, var(--accent) 88%, #fff); }
.btn--ghost { background: var(--panel); color: var(--text); border-color: var(--line); }
.btn--ghost:hover:not(:disabled) { background: var(--panel-2); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.btn--danger { background: transparent; color: var(--danger); border-color: color-mix(in srgb, var(--danger) 50%, var(--line)); }
.btn--danger:hover:not(:disabled) { background: color-mix(in srgb, var(--danger) 14%, transparent); }

/* ---------- Hero / intro ---------- */
.intro { padding: 26px 0 6px; max-width: 760px; }
.intro h1 { font-size: clamp(28px, 5vw, 42px); line-height: 1.18; margin: 0 0 12px; letter-spacing: -.02em; text-wrap: balance; }
.intro h1 .grad {
  color: var(--accent);
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.intro p { color: var(--muted); font-size: 17px; margin: 0; max-width: 62ch; text-wrap: pretty; }
.trust { list-style: none; display: flex; flex-wrap: wrap; gap: 9px; padding: 0; margin: 20px 0 0; }
.trust li {
  display: inline-flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 600; color: var(--muted);
  background: var(--panel); border: 1px solid var(--line); border-radius: 999px; padding: 7px 13px;
}
.trust svg { width: 15px; height: 15px; color: var(--accent); flex: none; }

/* ---------- Dropzone ---------- */
.dropzone {
  margin: 26px 0 0; border: 2px dashed color-mix(in srgb, var(--accent) 45%, var(--line));
  border-radius: var(--radius); background: color-mix(in srgb, var(--panel) 70%, transparent);
  padding: 40px 24px; text-align: center; cursor: pointer; display: block; width: 100%;
  color: var(--text); font: inherit; transition: border-color .18s, background .18s, transform .12s var(--spring);
}
.dropzone:hover, .dropzone:focus-visible { border-color: var(--accent); background: var(--panel-2); }
.dropzone.is-drag { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, var(--panel-2)); transform: scale(1.005); }
.dropzone .dz-icon { width: 52px; height: 52px; margin: 0 auto 12px; color: var(--accent); }
.dropzone .dz-title { font-size: 19px; font-weight: 700; margin: 0 0 4px; }
.dropzone .dz-sub { color: var(--muted); font-size: 14px; margin: 0; }
.dropzone .dz-pick { color: var(--accent); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Workspace toolbar ---------- */
.toolbar {
  position: sticky; top: 0; z-index: 30; margin: 18px -6px 0; padding: 10px 6px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.toolbar .spacer { flex: 1 1 auto; }
.toolbar .sel-count { font-size: 13.5px; color: var(--muted); font-weight: 600; }
.toolbar .divider { width: 1px; align-self: stretch; background: var(--line); margin: 4px 2px; }

/* ---------- Page grid ---------- */
.pages { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 16px; margin: 20px 0 40px; padding: 0; list-style: none; }
.page-card {
  position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 10px; display: flex; flex-direction: column; gap: 8px; box-shadow: var(--shadow);
  transition: border-color .16s, box-shadow .16s, transform .16s var(--spring), opacity .16s;
}
.page-card.is-selected { border-color: var(--accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 55%, transparent), var(--shadow); }
.page-card.is-dragging { opacity: .4; }
.page-card.drop-before { box-shadow: -4px 0 0 -1px var(--accent), var(--shadow); }
.page-card.drop-after { box-shadow: 4px 0 0 -1px var(--accent), var(--shadow); }
.page-thumb {
  position: relative; aspect-ratio: 1 / 1.3; border-radius: var(--radius-sm); overflow: hidden;
  background: #fff; display: grid; place-items: center; cursor: pointer; border: 1px solid var(--line);
  scroll-margin-top: 84px; /* กันแถบเครื่องมือ sticky บังตอนโฟกัสด้วยคีย์บอร์ด */
}
#main { scroll-margin-top: 16px; }
.page-thumb canvas { max-width: 100%; max-height: 100%; display: block; box-shadow: 0 1px 6px rgba(0,0,0,.15); }
.page-thumb .thumb-loading { position: absolute; inset: 0; display: grid; place-items: center; color: #6b8; }
.page-thumb .edited-badge {
  position: absolute; left: 6px; top: 6px; background: var(--accent); color: var(--on-accent);
  font-size: 11px; font-weight: 700; padding: 2px 7px; border-radius: 999px; display: inline-flex; align-items: center; gap: 4px;
}
.page-thumb .edited-badge svg { width: 11px; height: 11px; }
.page-sel {
  position: absolute; right: 6px; top: 6px; width: 26px; height: 26px; border-radius: 8px;
  background: rgba(255,255,255,.92); border: 1px solid var(--line); display: grid; place-items: center; cursor: pointer;
  color: var(--on-accent);
}
.page-sel input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.page-sel .tick { width: 16px; height: 16px; opacity: 0; color: #0b6; }
.page-card.is-selected .page-sel { background: var(--accent); border-color: var(--accent); }
.page-card.is-selected .page-sel .tick { opacity: 1; color: var(--on-accent); }

.page-meta { display: flex; align-items: center; justify-content: space-between; gap: 6px; font-size: 12.5px; color: var(--muted); font-weight: 600; }
.page-meta .num { color: var(--text); }
.drag-handle { cursor: grab; color: var(--muted); display: inline-flex; padding: 2px; border-radius: 6px; }
.drag-handle:active { cursor: grabbing; }
.drag-handle svg { width: 16px; height: 16px; }

.page-actions { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
.pa-btn {
  font: inherit; cursor: pointer; border: 1px solid var(--line); background: var(--panel-2); color: var(--text);
  border-radius: 8px; min-height: 38px; display: grid; place-items: center; transition: background .14s, border-color .14s, color .14s;
}
.pa-btn:hover { background: color-mix(in srgb, var(--accent) 16%, var(--panel-2)); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.pa-btn svg { width: 17px; height: 17px; }
.pa-btn--danger:hover { background: color-mix(in srgb, var(--danger) 16%, var(--panel-2)); border-color: color-mix(in srgb, var(--danger) 45%, var(--line)); color: var(--danger); }

/* ---------- Empty / hint ---------- */
.hint { color: var(--muted); font-size: 14px; margin: 14px 0 0; display: flex; align-items: flex-start; gap: 8px; }
.hint svg { width: 17px; height: 17px; color: var(--accent); flex: none; margin-top: 2px; }

/* ---------- Toast ---------- */
.toasts { position: fixed; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom)); transform: translateX(-50%); z-index: 300; display: flex; flex-direction: column; gap: 8px; align-items: center; width: min(92vw, 460px); }
.toast {
  background: var(--panel); color: var(--text); border: 1px solid var(--line); border-left: 4px solid var(--accent);
  border-radius: 10px; padding: 12px 16px; box-shadow: var(--shadow-lg); font-size: 14px; font-weight: 600;
  display: flex; align-items: center; gap: 10px; animation: toast-in .22s var(--spring);
}
.toast.err { border-left-color: var(--danger-solid); }
.toast svg { width: 18px; height: 18px; flex: none; }
@keyframes toast-in { from { opacity: 0; transform: translateY(10px); } }

/* ============================================================
   Editor overlay (แก้ตัวอักษร / รูปภาพ บนหน้า)
   ============================================================ */
.editor { position: fixed; inset: 0; z-index: 120; background: color-mix(in srgb, var(--bg) 94%, #000); display: flex; flex-direction: column; }
.editor-bar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 10px calc(14px + env(safe-area-inset-right)) 10px calc(14px + env(safe-area-inset-left));
  background: var(--panel); border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
}
.editor-bar .spacer { flex: 1 1 auto; }
.editor-bar .etitle { font-weight: 700; font-size: 15px; }
.tool-group { display: inline-flex; gap: 6px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 999px; padding: 4px; }
.tool-btn {
  font: inherit; font-size: 13.5px; font-weight: 600; cursor: pointer; border: none; background: transparent; color: var(--text);
  min-height: 38px; padding: 0 13px; border-radius: 999px; display: inline-flex; align-items: center; gap: 6px; transition: background .14s, color .14s;
}
.tool-btn svg { width: 16px; height: 16px; }
.tool-btn[aria-pressed="true"] { background: var(--accent); color: var(--on-accent); }
.tool-btn:hover:not([aria-pressed="true"]) { background: color-mix(in srgb, var(--accent) 18%, transparent); }

.editor-stage { flex: 1 1 auto; overflow: auto; overscroll-behavior: contain; display: grid; place-items: center; padding: 22px; }
.page-canvas-wrap { position: relative; box-shadow: var(--shadow-lg); background: #fff; touch-action: none; }
.page-canvas-wrap canvas { display: block; }
.overlay-layer { position: absolute; inset: 0; }
.el {
  position: absolute; border: 1.5px solid transparent; border-radius: 3px; cursor: move; box-sizing: border-box;
  user-select: none; -webkit-user-select: none; touch-action: none;
}
.el--text .txt { user-select: text; -webkit-user-select: text; }
.el.is-active { border-color: var(--accent-2); box-shadow: 0 0 0 1px var(--accent-2); }
.el--text { padding: 2px 4px; overflow: hidden; }
.el--text .txt { width: 100%; height: 100%; outline: none; white-space: pre-wrap; word-break: break-word; overflow: hidden; line-height: 1.25; }
.el--image img { width: 100%; height: 100%; display: block; object-fit: fill; pointer-events: none; }
.el--whiteout { background: #fff; }
.el .handle {
  position: absolute; width: 14px; height: 14px; right: -8px; bottom: -8px; background: var(--accent-2);
  border: 2px solid #fff; border-radius: 50%; cursor: nwse-resize; touch-action: none;
}
.el .del {
  position: absolute; left: -10px; top: -10px; width: 22px; height: 22px; border-radius: 50%; border: 2px solid #fff;
  background: var(--danger-solid); color: #fff; display: none; place-items: center; cursor: pointer; padding: 0;
}
.el.is-active .del { display: grid; }
.el .del svg { width: 12px; height: 12px; }

.inspector {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 10px 14px; background: var(--panel);
  border-top: 1px solid var(--line);
}
.inspector label { font-size: 13px; color: var(--muted); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.inspector input[type="range"] { accent-color: var(--accent); }
.inspector input[type="color"] { width: 38px; height: 38px; padding: 0; border: 1px solid var(--line); border-radius: 8px; background: none; cursor: pointer; }
.inspector .field { display: inline-flex; align-items: center; gap: 6px; }
.editor-empty { color: var(--muted); font-size: 14px; text-align: center; padding: 8px 14px; background: var(--panel); border-top: 1px solid var(--line); }

/* ============================================================
   Loading — SaiTaMo สู้เหล่าวายร้าย
   ============================================================ */
.loader { position: fixed; inset: 0; z-index: 400; display: grid; place-items: center; background: color-mix(in srgb, var(--bg) 92%, #000); backdrop-filter: blur(4px); }
.loader-inner { text-align: center; padding: 20px; }
.loader-scene { position: relative; width: min(300px, 78vw); margin: 0 auto; aspect-ratio: 220 / 240; }
.loader-scene .sai-hero { position: absolute; left: 4%; bottom: 0; width: 66%; height: auto; transform-origin: 72% 88%; animation: heroLunge 1.15s var(--spring) infinite; filter: drop-shadow(0 6px 10px rgba(3,16,24,.35)); }
.loader-scene .fx { position: absolute; inset: 0; width: 100%; height: 100%; }
.loader-text { margin: 18px 0 4px; font-weight: 700; font-size: 17px; }
.loader-sub { margin: 0; color: var(--muted); font-size: 13.5px; }
.loader-bar { width: min(280px, 70vw); height: 8px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--line); margin: 16px auto 0; overflow: hidden; }
.loader-bar span { display: block; height: 100%; width: 40%; border-radius: 999px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); animation: bar 1.1s var(--spring) infinite; }
@keyframes bar { 0% { transform: translateX(-120%); } 100% { transform: translateX(320%); } }

/* ท่าต่อสู้ — พุ่งเข้าใส่ + กระแทก (ทั้งตัว ไม่แตะ art ของตัวละคร) */
/* transform-box: fill-box ให้ transform อ้างอิงกล่องของตัวเอง และไม่ทับ transform ที่ wrapper */
.villain, .pow { transform-box: fill-box; transform-origin: center; }
.villain--1 { animation: vhit 1.15s var(--spring) infinite; }
.villain--2 { animation: vhit 1.15s var(--spring) .18s infinite; }
.pow { opacity: 0; animation: pow 1.15s steps(1) infinite; }
@keyframes heroLunge {
  0%, 52% { transform: translateX(0) rotate(-2deg); }
  70% { transform: translateX(16px) rotate(5deg); }
  84% { transform: translateX(7px) rotate(1deg); }
  100% { transform: translateX(0) rotate(-2deg); }
}
@keyframes vhit {
  0%,60% { transform: translate(0,0) rotate(0); opacity: 1 }
  75% { transform: translate(46px,-26px) rotate(40deg); opacity: 1 }
  90%,100% { transform: translate(96px,-56px) rotate(120deg); opacity: 0 }
}
@keyframes pow { 0%,60% { opacity: 0; transform: scale(.4) } 68% { opacity: 1; transform: scale(1.1) } 82%,100% { opacity: 0; transform: scale(1.2) } }

/* ---------- footer ---------- */
.site-footer { margin-top: 30px; padding: 24px 0 calc(38px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); color: var(--muted); font-size: 13.5px; }
.site-footer a { text-underline-offset: 3px; }
.site-footer p { margin: 0 0 8px; }

@media (max-width: 560px) {
  .pages { grid-template-columns: repeat(auto-fill, minmax(46%, 1fr)); }
  .intro p { font-size: 15.5px; }
  .toolbar { gap: 6px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .loader-bar span { width: 100%; }
}