* { box-sizing: border-box; }

html {
  min-height: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  font-family: 'Kanit', 'Prompt', 'Sarabun', 'Segoe UI', system-ui, sans-serif;
  color: #fff;
  background: #0a0b1e;
}

@font-face {
  font-family: 'NotoSansThai';
  src: url('../FONTS/NotoSansThai-Medium.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

.join-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.join-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.join-char-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  display: flex;
  justify-content: center;
  align-items: center;
}

.join-char-img {
  width: 100%;
  height: 100%;
  max-height: 72vh;
  object-fit: contain;
  object-position: center;
  filter: brightness(0.62);
}

.join-vignette {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 0%, transparent 30%, rgba(0, 0, 0, 0.3) 50%, rgba(0, 0, 0, 0.6) 70%, rgba(0, 0, 0, 0.85) 85%, rgba(0, 0, 0, 0.95) 100%);
}

.join-ui {
  position: relative;
  z-index: 3;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: max(12px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
}

.join-back-section {
  position: static;
}

.join-btn-back {
  position: fixed;
  top: max(clamp(0.5rem, 2vw, 2rem), env(safe-area-inset-top));
  left: max(clamp(0.5rem, 2vw, 2rem), env(safe-area-inset-left));
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  z-index: 20;
  -webkit-tap-highlight-color: transparent;
}

.join-btn-back-img {
  display: block;
  width: clamp(40px, 10vw, 60px);
  height: auto;
  object-fit: contain;
}


.join-content {
  width: 100%;
  max-width: min(96vw, 720px);
  margin: 0 auto;
  padding: clamp(44px, 9vh, 76px) clamp(14px, 3.5vw, 22px) clamp(24px, 5vh, 40px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(0.85rem, 2.5vw, 1.35rem);
}

.join-header {
  text-align: center;
}

.join-title-img {
  --join-title-height: 14cqh;              /* ปรับความสูง txt-joinroom ที่นี่ */
  display: block;
  height: var(--join-title-height);
  width: calc(var(--join-title-height) * 535 / 137);
  max-width: 88vw;
  margin-inline: auto;
  aspect-ratio: 535 / 137;
  object-fit: contain;
  image-rendering: -webkit-optimize-contrast;
  filter: drop-shadow(0 0 16px rgba(191, 0, 255, 0.55));  
  margin-top: 0cqh;
}

.join-title-line {
  --line-height: 5cqh;                   /* ปรับความสูง line.png ที่นี่ */
  display: block;
  height: var(--line-height);
  width: min(calc(var(--line-height) * 1018 / 6), 100%);
  max-width: none;
  aspect-ratio: 1018 / 6;
  object-fit: contain;
  margin: -2cqh auto -3.5cqh;
}

/* กล่องหลักตาม mock — bg-pop */
.join-panel {
  width: 100%;
  padding: 0px;
  border-radius: 10px;
  background-image: url('IMAGE/bg-pop.png');
  background-size: 100% 100%;
  background-repeat: no-repeat;
  background-position: center;
  container-type: inline-size;
}

.join-tabs {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: flex-end;
  --join-tab-overlap: 0px;
  gap: clamp(0.5rem, 2vw, 1rem);
  margin-bottom: clamp(8px, 1.2cqh, 14px);
  width: 100%;
}

.join-tab + .join-tab {
  margin-left: var(--join-tab-overlap);
}

.join-tab {
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  flex: 0 1 auto;
}

.join-tab:focus-visible {
  outline: 2px solid #00ffff;
  outline-offset: 4px;
}

.join-tab-img {
  display: block;
  width: clamp(140px, 38vw, 220px);
  height: auto;
  image-rendering: -webkit-optimize-contrast;
}

.join-view--hidden {
  display: none !important;
}

#join-public-view {
  display: flex;
  width: 100%;
  height: 100%;
}

#join-private-view {
  height: 100%;
  min-height: min(48vh, 420px);
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  padding: clamp(8px, 2vh, 16px) 0;
  container-type: inline-size;
}

/* พื้นที่สกรอล + แถบเลื่อนตาม asset */
.join-list-scroll {
  --join-scrollbar-width: clamp(12px, 3.8cqw, 25px); /* ปรับความอ้วน scrollbar ที่นี่ */
  --join-scrollbar-thumb-inset: clamp(2px, 0.8cqw, 6px);
  --join-scrollbar-right-offset: clamp(4px, 2.2cqw, 17px); /* ขยับราง+แท่ง scrollbar ไปซ้าย/ขวา */
  position: relative;
  width: 100%;
  height: 95%;
  min-height: 0;
  padding-right: calc(var(--join-scrollbar-width) + var(--join-scrollbar-thumb-inset) + 2px);
  margin-top: 1cqh;
  margin-right: var(--join-scrollbar-right-offset);
}

.join-list-scroll::after {
  content: '';
  position: absolute;
  top: 0;
  right: var(--join-scrollbar-right-offset);
  width: var(--join-scrollbar-width);
  height: 100%;
  background: url('IMAGE/join-room-scrollbar-bg.png') center top / 100% 100% no-repeat;
  pointer-events: none;
  opacity: 0.95;
  border-radius: 6px;
}

.join-scrollbar-thumb {
  position: absolute;
  right: calc(var(--join-scrollbar-right-offset) + var(--join-scrollbar-thumb-inset));
  top: var(--join-scrollbar-thumb-inset);
  width: calc(var(--join-scrollbar-width) - (var(--join-scrollbar-thumb-inset) * 2));
  min-height: clamp(18px, 4.2cqh, 40px);
  border-radius: 999px;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(80, 255, 255, 0.95) 0%, rgba(0, 210, 255, 0.95) 100%);
  border: clamp(1px, 0.25cqw, 2px) solid rgba(120, 255, 255, 0.9);
  box-shadow:
    0 0 10px rgba(0, 255, 255, 0.65),
    inset 0 0 6px rgba(255, 255, 255, 0.35);
  transform: translateY(0);
  opacity: 0;
  transition: opacity 120ms ease;
}

.join-list {
  --join-list-shift-x: 2cqw; /* ขยับรายการห้องไปทางขวา */
  --join-room-row-stack-offset: -3cqh; /* ปรับระยะห่างแนวตั้งระหว่างห้อง (ติดลบได้) */
  height: 100%;
  max-height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 4px;
  margin-left: var(--join-list-shift-x);
  display: flex;
  flex-direction: column;
  /* gap: clamp(0.25rem, 1vw, 0.45rem); */
}

.join-room-row + .join-room-row {
  margin-top: var(--join-room-row-stack-offset);
}

.join-list::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.join-list {
  scrollbar-width: none;
  scrollbar-color: rgba(0, 255, 255, 1) rgba(0, 40, 60, 0.4);
}

.join-list-status {
  --join-list-status-font-size: 3.5cqw; /* ปรับขนาดฟอนต์สถานะห้องสาธารณะ */
  padding: 1rem;
  font-size: var(--join-list-status-font-size);
  font-family: 'NotoSansThai', 'Kanit', 'Sarabun', 'Segoe UI', sans-serif;
  color: rgba(255, 255, 255, 0.85);
  text-align: center;
  margin-top: 2cqh;
}

/* แถวห้อง — bg-room-name */
.join-room-row {
  width: 100%;
}

.join-room-row-inner {
  --join-room-row-height: 16.5cqh; /* ปรับความสูง bg-room-name ได้ที่นี่ */
  --join-room-card-padding-y: 1.6cqh; /* ปรับ padding บน/ล่างของกล่องห้อง */
  --join-room-card-padding-x: 4cqw; /* ปรับ padding ซ้าย/ขวาของกล่องห้อง */
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: clamp(0.35rem, 1.2vw, 0.75rem);
  height: var(--join-room-row-height);
  width: calc(var(--join-room-row-height) * (910 / 160));
  max-width: 100%;
  aspect-ratio: 910 / 160;
  padding: var(--join-room-card-padding-y) var(--join-room-card-padding-x);
  background-image: url('IMAGE/bg-room-name.png');
  background-size: 100% 100%;
  background-repeat: no-repeat;
  background-position: center;
}

.join-room-name {
  --join-room-name-font-size: 2.5cqw; /* ปรับขนาดฟอนต์ชื่อห้อง */
  flex: 1 1 auto;
  min-width: 0;
  font-size: var(--join-room-name-font-size);
  font-weight: 700;
  font-family: 'NotoSansThai', 'Kanit', 'Sarabun', 'Segoe UI', sans-serif;
  color: #fff;
  text-shadow: 0 0 8px rgba(0, 255, 255, 0.25);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding-left: 1em;
  line-height: 1.3;
}

.join-room-players {
  --join-room-players-font-size: 2.5cqw; /* ปรับขนาดฟอนต์จำนวนผู้เล่น */
  flex: 0 0 auto;
  font-size: var(--join-room-players-font-size);
  font-weight: 600;
  font-family: 'NotoSansThai', 'Kanit', 'Sarabun', 'Segoe UI', sans-serif;
  color: #fff;
  white-space: nowrap;
  line-height: 1.3;
}

.join-room-btn {
  flex: 0 0 auto;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.join-room-btn:disabled {
  cursor: not-allowed;
  opacity: 0.5;
  filter: none;
}

.join-room-btn-img {
  --join-room-btn-height: 12cqh; /* ปรับความสูงปุ่มเข้าร่วมในรายการห้อง */
  display: block;
  height: var(--join-room-btn-height);
  width: calc(var(--join-room-btn-height) * (198 / 119));
  aspect-ratio: 198 / 119;
  max-width: 100%;
  image-rendering: -webkit-optimize-contrast;
  transform: translateX(1.5cqw);
}

/* แท็บห้องส่วนตัว — ฟอร์ม */
.join-private-form {
  --join-private-row-width: 100%;
  --join-private-label-width: 25%; /* ปรับความกว้างคอลัมน์ label */
  --join-private-pass-scale: 1.15; /* ทำให้ PASSWORD ใหญ่กว่า ROOM ID */
  --join-private-input-width: 70%; /* ปรับความกว้าง textfield */
  --join-private-row-gap: 0;
  --join-private-shift-x: -2cqw; /* ขยับฟอร์มไปทางขวา */
  display: flex;
  flex-direction: column;
  width: min(96%, 94cqw);
  max-width: 100%;
  gap: clamp(0.6rem, 2.2cqw, 2.2cqw);
  padding-top: 0;
  margin: auto;
  transform: translateX(var(--join-private-shift-x));
}

.join-private-row + .join-private-row {
  margin-top: -4cqh; /* ค่าติดลบได้ */
}

.join-private-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  width: var(--join-private-row-width);
  margin-inline: auto;
  gap: var(--join-private-row-gap);
}

.join-private-label-img {
  --join-private-label-shift-x: 2.5cqw; /* ขยับ label ไปทางขวา */
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 211 / 83;
  object-fit: contain;
  image-rendering: -webkit-optimize-contrast;
  flex: 0 0 var(--join-private-label-width);
  max-width: var(--join-private-label-width);
  margin-left: auto;
  transform: translateX(var(--join-private-label-shift-x));
}

.join-private-label-img--pass {
  --join-private-label-shift-x: 2.5cqw;
  width: calc(100% * var(--join-private-pass-scale));
  height: auto;
  aspect-ratio: 228 / 84;
  flex: 0 0 calc(var(--join-private-label-width) * var(--join-private-pass-scale));
  max-width: calc(var(--join-private-label-width) * var(--join-private-pass-scale));
  margin-left: auto;
}

.join-textfield-wrap {
  position: relative;
  flex: 0 0 var(--join-private-input-width);
  width: 100%;
  min-width: 0;
  aspect-ratio: 613 / 141;
  height: auto;
  max-width: var(--join-private-input-width);
}

.join-textfield-wrap--narrow {
  flex: 0 0 var(--join-private-input-width);
  width: 100%;
  max-width: var(--join-private-input-width);
}

.join-textfield-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('IMAGE/textfield.png');
  background-size: 100% 100%;
  background-repeat: no-repeat;
  background-position: center;
  pointer-events: none;
  z-index: 1;
}

.join-textfield-input,
input.join-textfield-input,
#join-private-room-id.join-textfield-input {
  position: relative;
  z-index: 2;
  width: 100% !important;
  height: 100% !important;
  padding-top: clamp(0.28rem, 0.9cqw, 0.55rem) !important;
  padding-bottom: clamp(0.28rem, 0.9cqw, 0.55rem) !important;
  padding-left: clamp(0.65rem, 1.8cqw, 1.15rem) !important;
  padding-right: clamp(0.65rem, 1.8cqw, 1.15rem) !important;
  border: none !important;
  background: transparent !important;
  color: #fff;
  font-size: clamp(0.5rem, 2.4cqw, 3cqw);
  font-weight: 600;
  font-family: 'NotoSansThai', 'Kanit', 'Sarabun', 'Segoe UI', sans-serif;
  line-height: 1.5;
  outline: none;
  box-sizing: border-box;
}

#join-private-room-id.join-textfield-input {
  padding-left: 2.5em !important;
}

.join-textfield-input--code,
#join-private-password.join-textfield-input {
  padding-left: 0 !important;
  padding-right: 0 !important;
}

.join-textfield-input--code {
  text-align: center;
  font-family: 'NotoSansThai', 'Kanit', 'Sarabun', 'Segoe UI', sans-serif;
  letter-spacing: 0.18em;
  font-size: clamp(0.5rem, 2.7cqw, 3cqw);
}

.join-textfield-input::placeholder {
  color: rgba(255, 255, 255, 0.35);
}

.join-private-submit {
  align-self: center;
  padding: 0;
  margin-top: clamp(0.4rem, 1.5cqh, 0.9rem);
  border: none;
  background: transparent;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.join-private-submit:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.join-private-submit-img {
  --join-private-submit-height: 16cqh; /* ปรับความสูงปุ่มเข้าร่วมได้ที่นี่ */
  display: block;
  height: var(--join-private-submit-height);
  width: calc(var(--join-private-submit-height) * (404 / 141));
  aspect-ratio: 404 / 141;
  max-width: 100%;
  image-rendering: -webkit-optimize-contrast;
  transform: translateX(4cqw);
}

@media (max-width: 520px) {
  .join-private-form {
    --join-private-label-width: 100%;
    --join-private-input-width: 100%;
  }

  .join-private-row {
    justify-content: center;
    width: 100%;
    gap: 0.35rem;
    flex-wrap: wrap;
  }

  .join-private-label-img,
  .join-private-label-img--pass {
    margin-left: 0;
    max-width: 100%;
  }

  .join-textfield-wrap {
    width: min(100%, 86vw);
    max-width: 100%;
  }

  .join-room-row-inner {
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
  }

  .join-room-name,
  .join-room-players {
    width: 100%;
    text-align: center;
  }

  .join-room-btn {
    margin-top: 0.25rem;
  }
}

@media (min-width: 1025px) {
  html,
  body {
    height: 100%;
    overflow: hidden;
  }

  body {
    min-height: 100dvh;
    max-height: 100dvh;
  }
  
  .join-btn-back-img {
    width: 112px;
    height: 139px;
  }

  .join-ui {
    justify-content: center;
    align-items: center;
    height: 100dvh;
    min-height: 100dvh;
    max-height: 100dvh;
    overflow: hidden;
  }

  .join-content {
    position: relative;
    z-index: 40;
    isolation: isolate;
    width: min(calc(95dvh * 1), 90vw);
    max-width: min(calc(95dvh * 1), 90vw);
    height: auto;
    min-height: 0;
    max-height: none;
    aspect-ratio: 1 / 1;
    margin: 0 auto;
    padding: 2.1dvh 0 1.4dvh;
    justify-content: flex-start;
    container-type: size;
    overflow: hidden;
    gap: 1.2cqh;
  }

  .join-panel {
    --join-panel-height: 70cqh;               /* ปรับความสูง bg-pop ที่นี่ */
    height: var(--join-panel-height);
    width: calc(var(--join-panel-height) * 1008 / 681);
    max-width: 100%;
    aspect-ratio: 1008 / 681;
    padding: 2.4cqh 2.2cqw 2.2cqh;
    background-size: 100% 100%;
  }

  #join-private-view {
    min-height: 0;
    height: 100%;
  }

  .join-tabs {
    --join-tab-height: 14.5cqh;                /* ปรับความสูงปุ่มห้องสาธารณะ/ส่วนตัวที่นี่ */
    --join-tab-overlap: -3cqh;              /* ติดลบได้: ปุ่มจะซ้อนกันมากขึ้น */
    margin-bottom: -4cqh;
  }

  .join-tab {
    flex: 0 0 auto;
    height: var(--join-tab-height);
    width: calc(var(--join-tab-height) * 499 / 143);
    aspect-ratio: 499 / 143;
  }

  .join-tab-img {
    width: 100%;
    height: 100%;
    aspect-ratio: 499 / 143;
    object-fit: contain;
  }
}

/* ================================================== */
/*  Animations — entrance / press / transitions       */
/* ================================================== */
@keyframes jr-rise { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes jr-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes jr-char-in { from { opacity: 0; transform: translateY(4%) scale(1.05); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes jr-view-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes jr-pop { 0% { transform: scale(1); } 45% { transform: scale(1.1); } 100% { transform: scale(1); } }

/* press feedback — เปิดเสมอ */
.join-btn-back { transition: transform .12s ease, filter .2s; }
.join-btn-back:hover { filter: brightness(1.15); }
.join-btn-back:active { transform: scale(.88); }
.join-tab { transition: transform .14s ease, filter .2s; }
.join-tab:hover { filter: brightness(1.12); }
.join-tab:active { transform: scale(.94); }
.join-room-btn { transition: transform .14s ease, filter .2s; }
.join-room-btn:hover:not(:disabled) { filter: brightness(1.15); }
.join-room-btn:active:not(:disabled) { transform: scale(.9); }
.join-private-submit { transition: transform .14s ease, filter .2s; }
.join-private-submit:hover:not(:disabled) { filter: brightness(1.18); }
.join-private-submit:active:not(:disabled) { transform: scale(.94); }
.join-room-row-inner { transition: transform .16s ease, filter .2s; }
.join-room-row:hover .join-room-row-inner { transform: translateY(-2px); filter: brightness(1.08); }

@media (prefers-reduced-motion: no-preference) {
  /* entrance: โผล่ไล่ทีละชิ้น */
  .join-char-img { animation: jr-char-in 1s ease both; }
  .join-btn-back { animation: jr-fade .6s ease .08s backwards; }
  .join-title-img { animation: jr-rise .55s cubic-bezier(.2,.85,.25,1) .05s both; }
  .join-title-line { animation: jr-rise .55s cubic-bezier(.2,.85,.25,1) .13s both; }
  .join-tabs { animation: jr-rise .55s cubic-bezier(.2,.85,.25,1) .2s both; }
  .join-panel { animation: jr-rise .55s cubic-bezier(.2,.85,.25,1) .28s both; }
  /* transitions: สลับแท็บ → view เลื่อนเข้า · แท็บที่เลือก → เด้ง */
  .join-view:not(.join-view--hidden) { animation: jr-view-in .3s ease; }
  .join-tab[aria-selected="true"] { animation: jr-pop .32s ease; }
}