* { 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;
}

.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: 1;
  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;
}

.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: fixed;
  top: max(12px, env(safe-area-inset-top));
  left: max(12px, env(safe-area-inset-left));
  z-index: 10;
}

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

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

.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 {
  display: block;
  width: min(88vw, 420px);
  height: auto;
  image-rendering: -webkit-optimize-contrast;
  filter: drop-shadow(0 0 16px rgba(191, 0, 255, 0.55));
}

/* กล่องหลักตาม mock — bg-pop */
.join-panel {
  width: 100%;
  padding: clamp(14px, 3vw, 22px) clamp(12px, 2.5vw, 20px) clamp(16px, 3vw, 24px);
  border-radius: 10px;
  background-image: url('IMAGE/bg-pop.png');
  background-size: 100% 100%;
  background-repeat: no-repeat;
  background-position: center;
  box-shadow:
    0 0 20px rgba(0, 255, 255, 0.25),
    0 0 40px rgba(191, 0, 255, 0.15);
}

.join-tabs {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: flex-end;
  gap: clamp(0.5rem, 2vw, 1rem);
  margin-bottom: clamp(12px, 2.5vw, 18px);
}

.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;
}

/* พื้นที่สกรอล + แถบเลื่อนตาม asset */
.join-list-scroll {
  position: relative;
  padding-right: clamp(10px, 2.5vw, 16px);
  margin-right: -4px;
}

.join-list-scroll::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 14px;
  height: 100%;
  background: url('IMAGE/join-room-scrollbar-bg.png') center top / 100% 100% no-repeat;
  pointer-events: none;
  opacity: 0.95;
  border-radius: 4px;
}

.join-list {
  max-height: min(48vh, 420px);
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 6px;
  display: flex;
  flex-direction: column;
  /* gap: clamp(0.25rem, 1vw, 0.45rem); */
}

.join-list::-webkit-scrollbar {
  width: 10px;
}

.join-list::-webkit-scrollbar-track {
  background: rgba(0, 40, 60, 0.4);
  border-radius: 4px;
}

.join-list::-webkit-scrollbar-thumb {
  background: url('IMAGE/join-room-scrollbar.png') center / contain no-repeat;
  background-color: rgba(0, 255, 255, 0.35);
  border-radius: 4px;
  min-height: 40px;
}

.join-list {
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 255, 255, 0.5) rgba(0, 40, 60, 0.4);
}

.join-list-status {
  padding: 1rem;
  font-size: clamp(0.8rem, 2vw, 0.92rem);
  color: rgba(255, 255, 255, 0.85);
  text-align: center;
}

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

.join-room-row-inner {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: clamp(0.35rem, 1.2vw, 0.75rem);
  height: clamp(64px, 14vw, 90px);
  padding: clamp(8px, 2vw, 12px) clamp(10px, 2.5vw, 16px);
  background-image: url('IMAGE/bg-room-name.png');
  background-size: 100% 100%;
  background-repeat: no-repeat;
  background-position: center;
}

.join-room-name {
  flex: 1 1 auto;
  min-width: 0;
  font-size: clamp(0.72rem, 1.9vw, 0.88rem);
  font-weight: 700;
  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 {
  flex: 0 0 auto;
  font-size: clamp(0.72rem, 1.9vw, 0.88rem);
  font-weight: 600;
  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: 0.85;
  filter: grayscale(0.35) brightness(0.65);
}

.join-room-btn-img {
  display: block;
  width: clamp(72px, 20vw, 110px);
  height: auto;
  image-rendering: -webkit-optimize-contrast;
}

/* แท็บห้องส่วนตัว — ฟอร์ม */
.join-private-form {
  display: flex;
  flex-direction: column;
  gap: clamp(0.75rem, 2vw, 1.1rem);
  padding-top: clamp(4px, 1vw, 8px);
}

.join-private-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  flex-wrap: wrap;
  gap: clamp(0.6rem, 2.2vw, 1rem);
}

.join-private-label-img {
  display: block;
  height: clamp(28px, 6.5vw, 40px);
  width: auto;
  object-fit: contain;
  image-rendering: -webkit-optimize-contrast;
  flex: 0 0 auto;
}

.join-private-label-img--pass {
  height: clamp(26px, 6vw, 36px);
}

.join-textfield-wrap {
  position: relative;
  flex: 1 1 auto;
  min-width: 200px;
  max-width: min(100%, 75%);
  height: clamp(48px, 11vw, 60px);
}

.join-textfield-wrap--narrow {
  flex: 0 1 auto;
  min-width: 160px;
  max-width: 260px;
}

.join-textfield-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('IMAGE/textfield.png');
  background-size: cover;
  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(0.35rem, 1vw, 0.55rem) !important;
  padding-bottom: clamp(0.35rem, 1vw, 0.55rem) !important;
  padding-left: clamp(0.85rem, 2.2vw, 1.15rem) !important;
  padding-right: clamp(0.85rem, 2.2vw, 1.15rem) !important;
  border: none !important;
  background: transparent !important;
  color: #fff;
  font-size: clamp(0.88rem, 2.2vw, 1.02rem);
  font-weight: 600;
  font-family: inherit;
  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: 'Courier New', monospace;
  letter-spacing: 0.18em;
  font-size: clamp(0.95rem, 2.5vw, 1.15rem);
}

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

.join-private-submit {
  align-self: center;
  padding: 0;
  margin-top: 0.25rem;
  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 {
  display: block;
  width: min(72vw, 280px);
  height: auto;
  image-rendering: -webkit-optimize-contrast;
}

@media (max-width: 520px) {
  .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;
  }
}