/* ==========================================================================
   Costume & Fanart Design Contest 2026
   ธีม: Ragnarok — กระดาษแผนที่ (parchment) + ทอง + น้ำเงิน RO
   ไฟล์นี้ = ตัวแปรสี, ปุ่ม, หน้า loading, และหน้าฟอร์มลงทะเบียน
   ส่วนหน้า landing อยู่ที่ landing.css
   ========================================================================== */

:root {
  /* ---- น้ำเงิน RO ---- */
  --c-blue: #1a62b4;
  --c-blue-dark: #12437f;
  --c-blue-deep: #0c2b57;
  --c-blue-light: #4fa2e2;
  --c-blue-pale: #dcefff;

  /* ---- ทอง ---- */
  --c-gold: #d8a33c;
  --c-gold-light: #f4d68d;
  --c-gold-dark: #a5761e;
  --c-gold-pale: #fbf2db;

  /* ---- กระดาษแผนที่ ---- */
  --c-paper: #fdf8ec;
  --c-paper-alt: #f7ecd6;
  --c-paper-deep: #eddcba;

  /* ---- หมึก / ตัวอักษร ---- */
  --c-text: #47331e;
  --c-text-muted: #7d6449;
  --c-text-faint: #a89478;
  --c-heading: #12437f;

  /* ---- สีบอกสถานะ ---- */
  --c-slime: #f68fae;
  --c-mint: #2aab7f;
  --c-mint-pale: #ddf5ec;
  --c-error: #d2453f;
  --c-error-pale: #fdeae9;

  /* ---- metrics ---- */
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(71, 51, 30, .10);
  --shadow: 0 10px 28px rgba(71, 51, 30, .16);
  --shadow-lg: 0 24px 60px rgba(12, 43, 87, .34);
  --shadow-gold: 0 6px 20px rgba(216, 163, 60, .38);
  --shadow-blue: 0 8px 22px rgba(26, 98, 180, .34);

  /* เงาตัวอักษร — ยกตัวหนังสือให้ลอยขึ้นจากพื้นกระดาษแผนที่ */
  --sh-text: 0 1px 0 rgba(255, 255, 255, .9), 0 2px 5px rgba(71, 51, 30, .22);
  --sh-text-em: 0 1px 0 rgba(255, 255, 255, .85);      /* เอาไว้ยกเบา ๆ */
  --sh-text-light: 0 1px 2px rgba(12, 43, 87, .55);    /* ตัวขาวบนพื้นน้ำเงิน */

  --maxw: 940px;

  --font: "Sarabun", "Noto Sans Thai", "Segoe UI", system-ui, sans-serif;
  --font-display: "Mitr", "Sarabun", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  min-height: 100vh;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-text);
  background: var(--c-paper-alt);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--c-blue); }

h1, h2, h3, h4 {
  margin: 0 0 .5em;
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.35;
}

[hidden] { display: none !important; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

.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;
}

/* ==========================================================================
   หน้า LOADING — ครอบทั้งจอตอนโหลดรูป แล้วค่อย ๆ จางหายไป
   ========================================================================== */

.loader {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 24px;
  overflow: hidden;
  text-align: center;
  /* พื้นหลังอยู่ที่ชั้นลูก .loader__bg ตัวนี้โปร่งใส
     will-change ดันขึ้นเลเยอร์ตัวเอง ตอนเฟดปิดจะได้ไม่ต้องวาดทั้งจอใหม่ทุกเฟรม */
  will-change: opacity;
  transition: opacity .35s cubic-bezier(.4, 0, .2, 1), visibility .35s;
}

/* ---- ชั้นพื้นหลังสีสดใส (ฟ้า / ไซแอน / ชมพู / ทอง) ---- */
.loader__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(760px 520px at 14% 8%, rgba(87, 200, 255, .55) 0%, transparent 64%),
    radial-gradient(680px 480px at 88% 12%, rgba(255, 158, 196, .48) 0%, transparent 62%),
    radial-gradient(700px 520px at 82% 92%, rgba(255, 200, 92, .5) 0%, transparent 64%),
    radial-gradient(640px 460px at 10% 88%, rgba(126, 230, 255, .5) 0%, transparent 64%),
    radial-gradient(900px 620px at 50% 46%, #ffffff 0%, rgba(255, 255, 255, 0) 70%),
    linear-gradient(165deg, #dcefff 0%, #fdf8ec 46%, #f7ecd6 74%, #eddcba 100%);
  transition: opacity .45s ease;
}

/* ก้อนสีเบลอ ๆ ลอยอยู่ในชั้นพื้นหลัง เติมสีให้เต็มจอ */
.loader__bg::before,
.loader__bg::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
}

.loader__bg::before {
  width: 46vmax; height: 46vmax;
  top: -15vmax; left: -13vmax;
  background: radial-gradient(circle, rgba(60, 176, 255, .85) 0%, rgba(126, 230, 255, .5) 46%, transparent 72%);
  animation: blob-a 9s ease-in-out infinite alternate;
}

.loader__bg::after {
  width: 42vmax; height: 42vmax;
  right: -12vmax; bottom: -13vmax;
  background: radial-gradient(circle, rgba(255, 190, 90, .8) 0%, rgba(255, 145, 190, .55) 48%, transparent 74%);
  animation: blob-b 11s ease-in-out infinite alternate;
}

@keyframes blob-a {
  from { transform: translate(0, 0) scale(1); opacity: .5; }
  to   { transform: translate(7vmax, 5vmax) scale(1.16); opacity: .85; }
}

@keyframes blob-b {
  from { transform: translate(0, 0) scale(1.1); opacity: .8; }
  to   { transform: translate(-6vmax, -6vmax) scale(.94); opacity: .5; }
}

.loader.is-done {
  opacity: 0;
  visibility: hidden;
}

/* เนื้อหาต้องอยู่เหนือก้อนสีและชั้นดาว */
.loader__logo,
.loader__text,
.loader__track,
.loader__pct {
  position: relative;
  z-index: 2;
}

.loader__logo {
  width: min(360px, 76vw);
  margin-bottom: 6px;
  filter: drop-shadow(0 12px 26px rgba(12, 43, 87, .3));
  animation:
    bob 2.6s ease-in-out infinite alternate,
    loader-glow 2.2s ease-in-out infinite alternate;
}

@keyframes loader-glow {
  from { filter: drop-shadow(0 12px 26px rgba(12, 43, 87, .3)); }
  to   { filter: drop-shadow(0 12px 30px rgba(12, 43, 87, .34)) drop-shadow(0 0 20px rgba(255, 226, 150, .8)); }
}

.loader__text {
  padding: 5px 20px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--c-blue-dark);
  letter-spacing: .02em;
  background: rgba(255, 255, 255, .62);
  border: 1.5px solid #fff;
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}

/* หลอดโหลดขอบทอง */
.loader__track {
  position: relative;
  width: min(320px, 78vw);
  height: 16px;
  margin: 10px 0 6px;
  overflow: hidden;
  background: var(--c-paper);
  border: 2px solid var(--c-gold);
  border-radius: 999px;
  box-shadow: inset 0 2px 5px rgba(71, 51, 30, .18), var(--shadow-sm);
}

.loader__bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--c-blue-light), var(--c-blue));
  border-radius: 999px;
  /* linear + สั้น เพราะ JS อัปเดตทุก 60ms — จะได้ไหลต่อเนื่องไม่กระตุก */
  transition: width .16s linear;
}

/* แถบแสงวิ่งบนหลอด ให้ดูมีชีวิต */
.loader__bar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, transparent 20%, rgba(255, 255, 255, .55) 50%, transparent 80%);
  animation: sheen 1.5s linear infinite;
}

.loader__pct {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-gold-dark);
}

/* ดาวกระพริบรอบ ๆ หน้า loading */
.loader__stars {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
}

/* ไล่สีดาวในหน้า loading ให้หลากหลาย ไม่ใช่ทองล้วน */
.loader__stars .spark:nth-child(3n) {
  background: linear-gradient(160deg, #fff, #7ee6ff);
}

.loader__stars .spark:nth-child(3n + 1) {
  background: linear-gradient(160deg, #fff, #ff9ec4);
}

@keyframes bob {
  from { transform: translateY(-6px); }
  to   { transform: translateY(6px); }
}

@keyframes sheen {
  from { transform: translateX(-100%); }
  to   { transform: translateX(100%); }
}

/* ---- ดาวประกายที่ใช้ทั้งเว็บ (สร้างด้วย JS) ---- */

.spark {
  position: absolute;
  background: linear-gradient(160deg, #fff, var(--c-gold-light));
  clip-path: polygon(50% 0%, 61% 39%, 100% 50%, 61% 61%, 50% 100%, 39% 61%, 0% 50%, 39% 39%);
  opacity: 0;
  animation: twinkle 3.2s ease-in-out infinite;
}

@keyframes twinkle {
  0%, 100% { opacity: 0; transform: scale(.4) rotate(0deg); }
  50%      { opacity: 1; transform: scale(1) rotate(45deg); }
}

/* ---- ดาวที่ลอยขึ้นจากล่างขึ้นบน (สร้างด้วย JS) ---- */

.floaty {
  position: absolute;
  bottom: -6%;
  background: linear-gradient(160deg, #fff, var(--c-gold-light));
  clip-path: polygon(50% 0%, 61% 39%, 100% 50%, 61% 61%, 50% 100%, 39% 61%, 0% 50%, 39% 39%);
  opacity: 0;
  pointer-events: none;
  animation: drift-up linear infinite;
}

@keyframes drift-up {
  0%   { opacity: 0; transform: translate(0, 0) rotate(0deg) scale(.5); }
  12%  { opacity: .95; }
  82%  { opacity: .7; }
  100% {
    opacity: 0;
    transform: translate(var(--x, 0px), calc(var(--rise, 110vh) * -1)) rotate(240deg) scale(1.15);
  }
}

/* ---- เอฟเฟกต์เผยเนื้อหาหลังโหลดเสร็จ (หลังสีสาดจางไป) ----
   มี 3 แบบ ใส่คลาสเลือกได้ และหน่วงเวลาแต่ละชิ้นด้วย --d
     .reveal          ลอยขึ้นพร้อมคลายเบลอ (ค่าเริ่มต้น)
     .reveal--zoom    ซูมเข้าจากเล็กแบบมีน้ำหนัก (ใช้กับโลโก้)
     .reveal--pop     เด้งเข้ามาแบบการ์ตูน (ใช้กับปุ่ม/วงกลม)
   -------------------------------------------------------------------------- */

/* หมายเหตุสำคัญ: ใช้ fill-mode "backwards" ไม่ใช่ "both"
   เพราะ both จะค้างค่าจากคีย์เฟรมสุดท้าย (transform: none) ไว้ตลอด
   ทำให้ transform ของ :hover ที่ปุ่มถูกทับจนกดใช้ไม่ได้
   backwards = ค้างแค่ช่วงก่อนเริ่ม (ตอนหน่วง --d) จบแล้วปล่อยคืนให้ CSS ปกติ
   จึงต้องประกาศ opacity: 1 ไว้ด้วย เพื่อให้สถานะหลังจบยังมองเห็น */

.reveal { opacity: 0; }

body.is-ready .reveal {
  opacity: 1;
  animation: rise-in 1s cubic-bezier(.16, .84, .28, 1) backwards;
  animation-delay: var(--d, 0s);
}

@keyframes rise-in {
  0%   { opacity: 0; transform: translateY(34px) scale(.94); filter: blur(10px); }
  55%  { opacity: 1; }
  100% { opacity: 1; transform: none; filter: blur(0); }
}

body.is-ready .reveal--zoom {
  opacity: 1;
  animation: zoom-in 1.15s cubic-bezier(.16, .86, .24, 1) backwards;
  animation-delay: var(--d, 0s);
}

@keyframes zoom-in {
  0%   { opacity: 0; transform: scale(.72) translateY(-18px); filter: blur(14px); }
  45%  { opacity: 1; }
  70%  { transform: scale(1.035) translateY(0); }
  100% { opacity: 1; transform: none; filter: blur(0); }
}

body.is-ready .reveal--pop {
  opacity: 1;
  animation: pop-in-big .95s cubic-bezier(.2, .9, .24, 1.42) backwards;
  animation-delay: var(--d, 0s);
}

@keyframes pop-in-big {
  0%   { opacity: 0; transform: scale(.55) translateY(30px) rotate(-7deg); filter: blur(8px); }
  50%  { opacity: 1; filter: blur(0); }
  100% { opacity: 1; transform: none; }
}

/* ==========================================================================
   ปุ่ม
   ========================================================================== */

.btn {
  --btn-bg: var(--c-paper);
  --btn-fg: var(--c-text);
  --btn-bd: var(--c-paper-deep);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 11px 26px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 2px solid var(--btn-bd);
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  transition: transform .16s, box-shadow .16s, filter .16s, border-color .16s;
}

.btn:hover:not(:disabled) { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn:active:not(:disabled) { transform: translateY(0); filter: brightness(.96); }
.btn:disabled { opacity: .45; cursor: not-allowed; }

.btn:focus-visible {
  outline: 3px solid var(--c-blue-pale);
  outline-offset: 2px;
}

/* ปุ่มหลัก — น้ำเงินขอบทองเหมือน UI ในเกม */
.btn--primary {
  --btn-fg: #fff;
  --btn-bd: var(--c-gold);
  background: linear-gradient(180deg, var(--c-blue-light) 0%, var(--c-blue) 52%, var(--c-blue-dark) 100%);
  box-shadow: var(--shadow-blue);
  text-shadow: 0 1px 2px rgba(12, 43, 87, .5);
}

.btn--primary:hover:not(:disabled) {
  box-shadow: 0 12px 28px rgba(26, 98, 180, .42);
}

.btn--soft {
  --btn-bg: var(--c-gold-pale);
  --btn-fg: var(--c-gold-dark);
  --btn-bd: var(--c-gold-light);
}

.btn--sm { min-height: 36px; padding: 6px 16px; font-size: 13px; }

/* ==========================================================================
   หน้าฟอร์มลงทะเบียน
   ========================================================================== */

.page-form {
  background:
    linear-gradient(rgba(253, 248, 236, .55), rgba(247, 236, 214, .75)),
    url("../images/bg-content.png") center top / cover no-repeat fixed,
    var(--c-paper-alt);
}

.reg { padding: 32px 0 80px; }

.reg__head { text-align: center; margin-bottom: 28px; }

.reg__logo {
  width: min(230px, 56vw);
  margin: 0 auto 12px;
  filter: drop-shadow(0 8px 16px rgba(12, 43, 87, .2));
}

.reg__title {
  font-size: clamp(22px, 4vw, 30px);
  margin-bottom: 6px;
  color: var(--c-heading);
  text-shadow: var(--sh-text);
}

.reg__subtitle { color: var(--c-text-muted); font-size: 14px; margin: 0; text-shadow: var(--sh-text-em); }

.reg__home {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 14px;
  padding: 6px 16px 6px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-blue-dark);
  text-decoration: none;
  background: rgba(255, 255, 255, .72);
  border: 1.5px solid var(--c-paper-deep);
  border-radius: 999px;
}

.reg__home:hover { background: #fff; border-color: var(--c-gold); }

/* ------------------------------------------------------- timeline (ขั้นตอน) */

.timeline {
  display: flex;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.timeline__step {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 0;
  padding-top: 4px;
}

/* เส้นเชื่อมระหว่างจุด */
.timeline__step::before,
.timeline__step::after {
  content: "";
  position: absolute;
  top: 21px;                 /* กลางวงกลม 34px + padding-top 4px */
  height: 3px;
  background: var(--c-paper-deep);
  border-radius: 3px;
  transition: background .3s;
}

.timeline__step::before { left: 0; right: 50%; margin-right: 19px; }
.timeline__step::after  { left: 50%; right: 0; margin-left: 19px; }

.timeline__step:first-child::before,
.timeline__step:last-child::after { display: none; }

.timeline__dot {
  position: relative;
  z-index: 1;
  width: 34px; height: 34px;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text-muted);
  background: var(--c-paper);
  border: 2.5px solid var(--c-paper-deep);
  border-radius: 50%;
  transition: transform .22s, background .22s, border-color .22s, color .22s, box-shadow .22s;
}

.timeline__label {
  font-size: 11.5px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--c-text-faint);
  text-align: center;
  transition: color .22s;
}

/* ขั้นที่ผ่านแล้ว — วงทอง */
.timeline__step.is-done { cursor: pointer; }

.timeline__step.is-done::before,
.timeline__step.is-done::after,
.timeline__step.is-active::before {
  background: var(--c-gold);
}

.timeline__step.is-done .timeline__dot {
  color: #fff;
  background: linear-gradient(180deg, var(--c-gold-light), var(--c-gold));
  border-color: var(--c-gold-dark);
  font-size: 14px;
}

.timeline__step.is-done .timeline__label { color: var(--c-text-muted); }
.timeline__step.is-done:hover .timeline__dot { transform: scale(1.12); }

/* ขั้นปัจจุบัน — วงน้ำเงินขอบทองเรืองแสง */
.timeline__step.is-active .timeline__dot {
  color: #fff;
  background: linear-gradient(180deg, var(--c-blue-light), var(--c-blue-dark));
  border-color: var(--c-gold);
  transform: scale(1.18);
  box-shadow: 0 0 0 5px rgba(216, 163, 60, .25), var(--shadow-blue);
}

.timeline__step.is-active .timeline__label {
  color: var(--c-blue-dark);
  font-weight: 700;
}

@media (max-width: 640px) {
  .timeline__label { display: none; }
  .timeline__dot { width: 28px; height: 28px; font-size: 12px; }
  .timeline__step::before, .timeline__step::after { top: 18px; }
  .timeline__step::before { margin-right: 16px; }
  .timeline__step::after { margin-left: 16px; }
}

/* --------------------------------------------------------------- card / step */

/* การ์ดกระดาษแผนที่ ขอบทอง */
.card {
  position: relative;
  padding: 30px;
  background:
    linear-gradient(rgba(253, 248, 236, .9), rgba(253, 248, 236, .96)),
    url("../images/bg-content.png") center / 140% auto;
  border: 2px solid var(--c-gold);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow), inset 0 0 0 1px rgba(255, 255, 255, .7);
}

@media (max-width: 560px) {
  .card { padding: 22px 18px; }
}

.step__label {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 16px;
  font-family: var(--font-display);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .08em;
  color: #fff;
  background: linear-gradient(180deg, var(--c-blue-light), var(--c-blue-dark));
  border: 1.5px solid var(--c-gold);
  border-radius: 999px;
}

.step__title { font-size: 21px; margin-bottom: 6px; color: var(--c-heading); text-shadow: var(--sh-text); }

.step__hint {
  color: var(--c-text-muted);
  font-size: 13.5px;
  margin: 0 0 22px;
}

/* --------------------------------------------------------------- form parts */

.field { margin-bottom: 18px; }
.field:last-child { margin-bottom: 0; }

.field__label {
  display: block;
  font-size: 13.5px;
  font-weight: 700;
  margin-bottom: 7px;
}

.field__label .req { color: var(--c-error); margin-left: 3px; }

/* คำอธิบายใต้ช่องกรอก */
.field__hint {
  margin: 7px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--c-text-muted);
}

.control {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  font: inherit;
  color: var(--c-text);
  background: rgba(255, 255, 255, .85);
  border: 2px solid var(--c-paper-deep);
  border-radius: var(--radius);
  transition: border-color .16s, box-shadow .16s, background .16s;
}

.control:focus {
  outline: none;
  background: #fff;
  border-color: var(--c-blue-light);
  box-shadow: 0 0 0 4px var(--c-blue-pale);
}

textarea.control { min-height: 130px; resize: vertical; line-height: 1.7; }

select.control { cursor: pointer; }

.counter {
  display: block;
  margin-top: 7px;
  font-size: 12px;
  font-weight: 600;
  color: var(--c-text-faint);
  text-align: right;
}

.counter.is-max { color: var(--c-error); }

/* การ์ดตัวเลือก (เลือกเกม / ประเภทผลงาน) */

.options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 14px;
}

.option {
  position: relative;
  display: block;
  cursor: pointer;
}

.option input {
  position: absolute;
  opacity: 0;
  width: 0; height: 0;
}

.option__box {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 5px;
  height: 100%;
  padding: 18px;
  background: rgba(255, 255, 255, .82);
  border: 2px solid var(--c-paper-deep);
  border-radius: var(--radius);
  transition: transform .18s, border-color .18s, background .18s, box-shadow .18s;
}

.option:hover .option__box {
  transform: translateY(-3px);
  border-color: var(--c-gold-light);
  box-shadow: var(--shadow-sm);
}

.option input:checked + .option__box {
  border-color: var(--c-gold);
  background: linear-gradient(160deg, var(--c-blue-pale), #fff 72%);
  box-shadow: var(--shadow-gold);
}

/* เครื่องหมายถูกมุมขวาบนเมื่อเลือก */
.option input:checked + .option__box::after {
  content: "✓";
  position: absolute;
  top: 12px; right: 12px;
  width: 24px; height: 24px;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(180deg, var(--c-gold-light), var(--c-gold));
  border: 1.5px solid var(--c-gold-dark);
  border-radius: 50%;
}

.option input:focus-visible + .option__box {
  outline: 3px solid var(--c-blue-pale);
  outline-offset: 2px;
}

.option__name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 17px;
  color: var(--c-heading);
  text-shadow: var(--sh-text);
  padding-right: 32px;
}

.option__meta { font-size: 12.5px; color: var(--c-text-muted); }

.option__req {
  margin-top: 8px;
  padding-top: 10px;
  font-size: 12px;
  color: var(--c-text-muted);
  border-top: 1.5px dashed var(--c-paper-deep);
}

/* รายการ RO ID */

.roid-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.roid {
  position: relative;
  display: block;
  cursor: pointer;
}

.roid input { position: absolute; opacity: 0; width: 0; height: 0; }

.roid__box {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 18px;
  background: rgba(255, 255, 255, .82);
  border: 2px solid var(--c-paper-deep);
  border-radius: var(--radius);
  transition: border-color .18s, background .18s, transform .18s;
}

.roid:hover .roid__box { transform: translateX(3px); border-color: var(--c-gold-light); }

.roid input:checked + .roid__box {
  border-color: var(--c-gold);
  background: linear-gradient(100deg, var(--c-blue-pale), #fff 62%);
}

/* วงกลม radio ที่วาดเอง */
.roid__mark {
  flex: 0 0 auto;
  width: 22px; height: 22px;
  display: grid;
  place-items: center;
  border: 2.5px solid var(--c-paper-deep);
  border-radius: 50%;
  transition: border-color .18s, background .18s;
}

.roid__mark::after {
  content: "";
  width: 10px; height: 10px;
  background: #fff;
  border-radius: 50%;
  transform: scale(0);
  transition: transform .18s;
}

.roid input:checked + .roid__box .roid__mark {
  background: linear-gradient(180deg, var(--c-blue-light), var(--c-blue-dark));
  border-color: var(--c-gold);
}

.roid input:checked + .roid__box .roid__mark::after { transform: scale(1); }

.roid__id {
  flex: 1;
  min-width: 0;
  font-weight: 700;
  font-family: ui-monospace, "Consolas", monospace;
  color: var(--c-blue-dark);
  text-shadow: var(--sh-text-em);
  word-break: break-all;
}

/* ------------------------------------------------------------------- upload */

.drop {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 40px 22px;
  text-align: center;
  color: var(--c-text-muted);
  background: linear-gradient(160deg, var(--c-blue-pale), var(--c-gold-pale));
  border: 3px dashed var(--c-gold-light);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: border-color .18s, transform .18s, box-shadow .18s;
}

.drop:hover, .drop.is-over {
  border-color: var(--c-gold);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.drop__icon {
  width: 62px; height: 62px;
  padding: 13px;
  background: linear-gradient(180deg, var(--c-blue-light), var(--c-blue-dark));
  border: 2.5px solid var(--c-gold);
  border-radius: 50%;
  box-shadow: var(--shadow-blue);
}

.drop__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 16px;
  color: var(--c-heading);
  text-shadow: var(--sh-text);
}

.drop__hint { font-size: 12.5px; color: var(--c-text-muted); }

.preview-file {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 16px;
  background: rgba(255, 255, 255, .8);
  border: 2px solid var(--c-paper-deep);
  border-radius: var(--radius);
}

.preview-file__thumb {
  flex: 0 0 auto;
  width: 180px;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #fff;
  border: 2px solid var(--c-gold-light);
  border-radius: var(--radius-sm);
}

.preview-file__info { flex: 1; min-width: 0; font-size: 13px; }

.preview-file__name {
  font-weight: 700;
  word-break: break-all;
  margin-bottom: 6px;
}

.preview-file__meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 3px 12px;
  margin: 8px 0 14px;
}

.preview-file__meta dt { color: var(--c-text-faint); }
.preview-file__meta dd { margin: 0; font-weight: 600; }

@media (max-width: 560px) {
  .preview-file { flex-direction: column; }
  .preview-file__thumb { width: 100%; }
}

/* ------------------------------------------------------------------ notices */

.notice {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  font-size: 13.5px;
  border-radius: var(--radius);
  margin-bottom: 18px;
}

.notice--warn { color: #8a5a00; background: var(--c-gold-pale); border: 1.5px solid var(--c-gold-light); }

.notice__icon {
  flex: 0 0 auto;
  width: 22px; height: 22px;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 800;
  color: #fff;
  border-radius: 50%;
}

.notice--warn .notice__icon { background: var(--c-gold); }

.notice p { margin: 0; }

.field-error {
  margin-top: 10px;
  padding: 10px 14px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--c-error);
  background: var(--c-error-pale);
  border: 1.5px solid #f3c5c2;
  border-radius: var(--radius-sm);
}

.empty {
  padding: 30px 16px;
  text-align: center;
  color: var(--c-text-faint);
  font-size: 13.5px;
  background: rgba(255, 255, 255, .6);
  border: 2px dashed var(--c-paper-deep);
  border-radius: var(--radius);
}

/* --------------------------------------------------------------- terms box */

.terms-box {
  max-height: 250px;
  overflow-y: auto;
  padding: 18px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--c-text-muted);
  background: rgba(255, 255, 255, .78);
  border: 2px solid var(--c-paper-deep);
  border-radius: var(--radius);
}

.terms-box h4 { color: var(--c-heading); font-size: 15px; margin: 16px 0 5px; text-shadow: var(--sh-text-em); }
.terms-box h4:first-child { margin-top: 0; }
.terms-box ol, .terms-box ul { margin: 0 0 10px; padding-left: 20px; }

.terms-box__todo {
  margin-top: 14px;
  padding: 11px 14px;
  font-size: 12.5px;
  color: #8a5a00;
  background: var(--c-gold-pale);
  border: 1.5px dashed var(--c-gold-light);
  border-radius: var(--radius-sm);
}

.check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 18px;
  padding: 16px;
  font-size: 14px;
  background: rgba(255, 255, 255, .82);
  border: 2px solid var(--c-paper-deep);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color .18s, background .18s;
}

.check:has(input:checked) {
  border-color: var(--c-gold);
  background: linear-gradient(120deg, var(--c-blue-pale), #fff 72%);
}

.check input {
  flex: 0 0 auto;
  width: 20px; height: 20px;
  margin: 3px 0 0;
  accent-color: var(--c-blue);
  cursor: pointer;
}

/* ====================================================== post preview (ขั้น 8)
   การ์ดผลงานแบบโพสต์ ที่ทุกช่องมีหัวข้อกำกับ
   ========================================================================== */

.post {
  overflow: hidden;
  text-align: left;
  background: var(--c-paper);
  border: 2px solid var(--c-gold);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

/* ---- หัวโพสต์: นามปากกา + เกมที่เลือก ---- */

.post__head {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 16px 18px;
  background: linear-gradient(180deg, #fff, var(--c-paper-alt));
}

.post__avatar {
  flex: 0 0 auto;
  width: 48px; height: 48px;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  color: #fff;
  text-transform: uppercase;
  background: linear-gradient(180deg, var(--c-blue-light), var(--c-blue-dark));
  border: 2.5px solid var(--c-gold);
  border-radius: 50%;
  box-shadow: var(--shadow-blue);
}

.post__who { flex: 1; min-width: 0; }

/* หัวข้อกำกับว่าชื่อนี้คือนามปากกา */
.post__byline {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--c-text-faint);
}

.post__author {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.3;
  color: var(--c-heading);
  text-shadow: var(--sh-text);
  word-break: break-word;
}

/* ป้ายเกมที่เลือก มีหัวข้อกำกับด้านบน */
.post__badge {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1px;
  padding: 6px 15px;
  background: linear-gradient(180deg, var(--c-blue-light), var(--c-blue-dark));
  border: 1.5px solid var(--c-gold);
  border-radius: var(--radius);
  text-align: right;
  box-shadow: var(--shadow-sm);
}

.post__badge-key { font-size: 10.5px; font-weight: 600; color: var(--c-gold-light); }

.post__badge-val {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  text-shadow: var(--sh-text-light);
}

@media (max-width: 520px) {
  .post__head { flex-wrap: wrap; }
  .post__badge { width: 100%; align-items: flex-start; text-align: left; }
}

/* ---- รูปผลงาน ---- */

.post__media {
  margin: 0;
  display: grid;
  place-items: center;
  max-height: 460px;
  background: linear-gradient(160deg, var(--c-blue-pale), var(--c-gold-pale));
  border-top: 2px solid var(--c-gold);
  border-bottom: 2px solid var(--c-gold);
}

.post__media img { width: 100%; max-height: 460px; object-fit: contain; }

.post__media--empty {
  padding: 50px 20px;
  font-size: 13.5px;
  color: var(--c-text-muted);
  text-align: center;
}

/* ---- คำอธิบาย + ช่องข้อมูลที่มีหัวข้อกำกับ ---- */

.post__body { padding: 16px 18px; }

.post__section-label {
  margin: 0 0 5px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--c-text-faint);
}

/* ชื่อผลงาน — พาดหัวของการ์ดโพสต์ ตัวโตกว่าช่องอื่น */
.post__worktitle {
  margin: 0 0 16px;
  font-size: 20px;
  line-height: 1.4;
  color: var(--c-heading);
  text-shadow: var(--sh-text-em);
  word-break: break-word;
}

.post__worktitle--empty {
  color: var(--c-text-faint);
  font-style: italic;
  font-weight: 400;
}

.post__caption {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.8;
  white-space: pre-wrap;
  word-break: break-word;
}

.post__caption--empty { color: var(--c-text-faint); font-style: italic; }

.post__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 10px;
  margin: 0;
}

.fact {
  padding: 11px 14px;
  background: rgba(255, 255, 255, .8);
  border: 1.5px solid var(--c-paper-deep);
  border-radius: var(--radius);
}

.fact__key {
  margin: 0 0 2px;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--c-text-muted);
}

.fact__val {
  margin: 0;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--c-heading);
  text-shadow: var(--sh-text-em);
  word-break: break-word;
}

.fact__val--empty {
  font-family: var(--font);
  font-weight: 600;
  font-style: italic;
  color: var(--c-text-faint);
}

/* ช่องลิงก์ — กินเต็มแถว ไม่ให้ URL ยาว ๆ บีบช่องอื่นในกริด */
.fact--wide { grid-column: 1 / -1; }

.fact__row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 14px;
}

.fact__url {
  flex: 1;
  min-width: 0;
  font-family: ui-monospace, "Consolas", monospace;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-blue-dark);
  word-break: break-all;
}

/* ---- ท้ายโพสต์: ไฟล์ + สถานะข้อตกลง ---- */

.post__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  padding: 13px 18px;
  font-size: 12.5px;
  color: var(--c-text-muted);
  background: var(--c-paper-alt);
  border-top: 1.5px solid var(--c-paper-deep);
}

.post__file { flex: 1; min-width: 0; }

.post__file-key {
  display: block;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--c-text-faint);
}

.post__file b { display: block; color: var(--c-text); font-weight: 700; word-break: break-all; }

.post__agreed {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: #1c8763;
  white-space: nowrap;
}

.post__agreed::before {
  content: "✓";
  width: 18px; height: 18px;
  display: grid;
  place-items: center;
  font-size: 11px;
  color: #fff;
  background: var(--c-mint);
  border-radius: 50%;
}

/* ----------------------------------------------------------------- step nav */

.step-nav {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 2px dashed var(--c-paper-deep);
}

.step-nav__spacer { flex: 1; }

@media (max-width: 480px) {
  .step-nav { flex-wrap: wrap; }
  .step-nav .btn { flex: 1 1 auto; }
}

/* -------------------------------------------------------------------- modal */

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(12, 43, 87, .55);
  backdrop-filter: blur(3px);
  animation: fade-in .18s ease;
}

.modal__box {
  width: 100%;
  max-width: 450px;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  padding: 30px;
  background: var(--c-paper);
  border: 3px solid var(--c-gold);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  text-align: center;
  animation: pop-in .24s cubic-bezier(.2, .9, .3, 1.2);
}

@keyframes fade-in { from { opacity: 0; } }
@keyframes pop-in { from { opacity: 0; transform: translateY(14px) scale(.95); } }

.modal__icon {
  width: 60px; height: 60px;
  margin: 0 auto 16px;
  display: grid;
  place-items: center;
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(180deg, var(--c-gold-light), var(--c-gold-dark));
  border: 2.5px solid #fff;
  border-radius: 50%;
  box-shadow: var(--shadow-gold);
}

.modal__title { font-size: 20px; margin-bottom: 10px; color: var(--c-heading); text-shadow: var(--sh-text); }
.modal__text { color: var(--c-text-muted); font-size: 14px; margin: 0 0 24px; }
.modal__text strong { color: var(--c-error); }

.modal__actions { display: flex; gap: 12px; }
.modal__actions .btn { flex: 1; }

/* ------------------------------------------------------------------- result */

.result { text-align: center; padding: 20px 4px; }

.result__icon {
  width: 78px; height: 78px;
  margin: 0 auto 20px;
  display: grid;
  place-items: center;
  font-size: 38px;
  color: #fff;
  background: linear-gradient(180deg, #4bd0a6, var(--c-mint));
  border: 3px solid var(--c-gold);
  border-radius: 50%;
  box-shadow: 0 12px 28px rgba(42, 171, 127, .34);
}

.result__title { font-size: 25px; color: var(--c-heading); text-shadow: var(--sh-text); }

/* ปล่อยให้กว้างเต็มการ์ด เพื่อให้ข้อความอยู่บรรทัดเดียว (จอแคบยังตัดบรรทัดเองตามปกติ) */
.result__text { color: var(--c-text-muted); margin: 0 auto 24px; }

/* -------------------------------------------------------------------- misc */

.dev-flag {
  position: fixed;
  right: 12px;
  bottom: 12px;
  z-index: 90;
  padding: 6px 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  color: #8a5a00;
  background: var(--c-gold-pale);
  border: 1.5px solid var(--c-gold-light);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1 !important; }
  .btn:hover, .option:hover .option__box, .roid:hover .roid__box { transform: none; }
}