.iim-selection-page {
  --iim-ink: #10233a;
  --iim-blue: #0b4f8a;
  --iim-blue-deep: #08365f;
  --iim-gold: #c7923e;
  --iim-gold-soft: rgba(199, 146, 62, 0.16);
  --iim-blue-soft: #e7f1fa;
  --iim-muted: #5b6b7d;
  --iim-line: #d3deea;
  --iim-panel: rgba(255, 255, 255, 0.88);
  position: relative;
  min-height: 100vh;
  padding: clamp(1rem, 3vw, 2rem) clamp(0.75rem, 2.5vw, 1.5rem) 2.5rem;
  font-family: Rubik, "Segoe UI", sans-serif;
  color: var(--iim-ink);
  overflow-x: hidden;
}

.iim-selection-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background:
    linear-gradient(145deg, #071f36 0%, #0b4f8a 42%, #15619e 70%, #0a3d6b 100%);
}

.iim-selection-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 20%, rgba(199, 146, 62, 0.28), transparent 34%),
    radial-gradient(circle at 82% 12%, rgba(255, 255, 255, 0.14), transparent 28%),
    radial-gradient(circle at 70% 78%, rgba(10, 61, 107, 0.55), transparent 40%);
}

.iim-grid-overlay {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse at center, #000 35%, transparent 80%);
}

.iim-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  animation: iimFloat 12s ease-in-out infinite;
}

.iim-orb-a {
  width: 220px;
  height: 220px;
  left: -60px;
  top: 18%;
  background: radial-gradient(circle, rgba(199, 146, 62, 0.35), transparent 70%);
}

.iim-orb-b {
  width: 280px;
  height: 280px;
  right: -80px;
  top: -40px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.2), transparent 68%);
  animation-delay: -4s;
}

.iim-orb-c {
  width: 180px;
  height: 180px;
  right: 18%;
  bottom: 8%;
  background: radial-gradient(circle, rgba(120, 190, 255, 0.25), transparent 70%);
  animation-delay: -7s;
}

.iim-selection-shell {
  position: relative;
  z-index: 1;
  width: min(1100px, 100%);
  margin: 0 auto;
}

.iim-selection-brandbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.1rem;
  padding: 0.45rem 0.2rem;
}

.iim-selection-welcome {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  color: #fff;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.25);
  line-height: 1.25;
}

.iim-selection-logo {
  height: clamp(42px, 7vw, 56px);
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.2));
  background: rgba(255, 255, 255, 0.92);
  border-radius: 12px;
  padding: 0.35rem 0.55rem;
}

.iim-selection-panel {
  background: var(--iim-panel);
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 24px;
  padding: clamp(1.25rem, 3.2vw, 2.4rem);
  box-shadow: 0 24px 60px rgba(4, 20, 40, 0.28);
  backdrop-filter: blur(14px);
}

.iim-selection-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0 0.55rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--iim-blue-deep);
  background: var(--iim-gold-soft);
  border: 1px solid rgba(199, 146, 62, 0.28);
}

.iim-selection-heading {
  font-size: clamp(1.7rem, 3.6vw, 2.45rem);
  font-weight: 700;
  line-height: 1.22;
  margin: 0 0 0.7rem;
  color: var(--iim-ink);
}

.iim-selection-subtext {
  margin: 0 0 1.5rem;
  font-size: clamp(1.05rem, 2vw, 1.22rem);
  line-height: 1.55;
  color: var(--iim-muted);
  max-width: 44rem;
}

.iim-selection-label {
  display: block;
  font-size: 1.12rem;
  font-weight: 600;
  margin-bottom: 0.65rem;
}

.iim-selection-verify-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.iim-selection-input {
  flex: 1 1 240px;
  min-height: 54px;
  border-radius: 14px !important;
  border: 1.5px solid var(--iim-line) !important;
  font-size: 1.12rem !important;
  padding: 0.8rem 1rem !important;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.iim-selection-input:focus {
  border-color: var(--iim-blue) !important;
  box-shadow: 0 0 0 0.22rem rgba(11, 79, 138, 0.18) !important;
  transform: translateY(-1px);
}

.iim-selection-btn,
.iim-selection-btn:enabled,
.iim-selection-btn:hover,
.iim-selection-btn:focus,
.iim-selection-btn:active,
.iim-selection-btn:not(:disabled),
button.iim-selection-btn,
#submitBtn {
  min-height: 54px;
  padding-inline: 1.4rem !important;
  border-radius: 14px !important;
  font-size: 1.1rem !important;
  font-weight: 650 !important;
  color: #ffffff !important;
  -webkit-text-fill-color: #ffffff !important;
  background: linear-gradient(135deg, var(--iim-blue) 0%, var(--iim-blue-deep) 100%) !important;
  border: 0 !important;
  box-shadow: 0 10px 24px rgba(11, 79, 138, 0.28);
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease !important;
}

.iim-selection-btn:hover:not(:disabled),
#submitBtn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(11, 79, 138, 0.34);
  color: #ffffff !important;
  -webkit-text-fill-color: #ffffff !important;
}

.iim-selection-btn:disabled,
#submitBtn:disabled {
  opacity: 0.55;
  box-shadow: none;
  color: #ffffff !important;
  -webkit-text-fill-color: #ffffff !important;
  background: linear-gradient(135deg, var(--iim-blue) 0%, var(--iim-blue-deep) 100%) !important;
}

.iim-selection-btn-lg {
  min-width: min(100%, 240px);
  min-height: 58px !important;
  font-size: 1.2rem !important;
}

.iim-selection-toolbar {
  margin-bottom: 1rem;
}

.iim-selection-count {
  margin: 0 0 0.75rem;
  font-size: 1.08rem;
  font-weight: 650;
  color: var(--iim-blue-deep);
}

.iim-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
  animation: iimFadeIn 0.25s ease;
}

.iim-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid rgba(11, 79, 138, 0.2);
  background: var(--iim-blue-soft);
  color: var(--iim-blue-deep);
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.iim-chip:hover:not(:disabled) {
  transform: translateY(-1px);
  background: #d9eaf8;
}

.iim-chip span {
  font-size: 1.05rem;
  opacity: 0.7;
}

.iim-selection-fieldset {
  border: 0;
  margin: 0;
  padding: 0;
}

.iim-selection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr));
  gap: 0.8rem;
}

.iim-selection-option {
  --iim-stagger: 0;
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin: 0;
  min-height: 68px;
  padding: 0.95rem 1rem;
  border: 1.5px solid rgba(16, 35, 58, 0.1);
  border-radius: 16px;
  background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
  cursor: pointer;
  user-select: none;
  opacity: 0;
  transform: translateY(10px);
  animation: iimTileIn 0.42s ease forwards;
  animation-delay: calc(var(--iim-stagger) * 28ms);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.iim-selection-option:hover {
  border-color: rgba(11, 79, 138, 0.35);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(11, 79, 138, 0.12);
}

.iim-selection-option.is-selected {
  border-color: var(--iim-blue);
  background: linear-gradient(145deg, #edf6ff 0%, #e4eef9 55%, #f8f1e4 140%);
  box-shadow: 0 0 0 1px var(--iim-blue), 0 14px 28px rgba(11, 79, 138, 0.16);
}

.iim-selection-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.iim-check {
  width: 1.45rem;
  height: 1.45rem;
  border-radius: 8px;
  border: 1.5px solid #b7c7d8;
  background: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.iim-check i {
  font-size: 0.75rem;
  color: transparent;
  transform: scale(0.5);
  transition: transform 0.2s ease, color 0.2s ease;
}

.iim-selection-option.is-selected .iim-check {
  border-color: var(--iim-blue);
  background: var(--iim-blue);
  box-shadow: 0 6px 14px rgba(11, 79, 138, 0.28);
}

.iim-selection-option.is-selected .iim-check i {
  color: #fff;
  transform: scale(1);
}

.iim-option-copy {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.iim-option-prefix {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--iim-gold);
}

.iim-option-name {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--iim-ink);
}

.iim-selection-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 1.5rem;
  position: sticky;
  bottom: 0.75rem;
  padding-top: 0.25rem;
  text-align: center;
}

.iim-selection-alert {
  margin-top: 1.1rem;
  font-size: 1.05rem;
  border-radius: 14px;
  animation: iimFadeIn 0.25s ease;
}

.iim-selection-loading {
  margin-top: 1.1rem;
  font-size: 1.1rem;
  color: var(--iim-muted);
}

.iim-selection-thanks {
  text-align: center;
  padding: 1.5rem 0.4rem 0.5rem;
  animation: iimFadeIn 0.35s ease;
}

.iim-status-icon {
  width: 4rem;
  height: 4rem;
  margin: 0 auto 1rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  animation: iimPop 0.45s ease;
}

.iim-status-icon i {
  font-size: 1.5rem;
  color: #fff;
}

.iim-status-icon.is-success {
  background: linear-gradient(145deg, #2a9a62, #1f7a4d);
  box-shadow: 0 12px 28px rgba(31, 122, 77, 0.3);
}

.iim-status-icon.is-info {
  background: linear-gradient(145deg, #1a6fb0, #0b4f8a);
  box-shadow: 0 12px 28px rgba(11, 79, 138, 0.3);
}

.iim-selection-thanks h1 {
  font-size: clamp(1.7rem, 3.2vw, 2.2rem);
  margin: 0 0 0.7rem;
}

.iim-selection-thanks p {
  margin: 0 auto;
  max-width: 38rem;
  font-size: clamp(1.08rem, 2vw, 1.24rem);
  line-height: 1.55;
  color: var(--iim-muted);
}

.iim-anim-fade-down {
  animation: iimFadeDown 0.45s ease both;
}

.iim-anim-fade-up {
  animation: iimPanelIn 0.5s ease both;
}

@keyframes iimFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}

@keyframes iimFadeDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes iimPanelIn {
  from { opacity: 0; transform: translateY(16px) scale(0.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes iimTileIn {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes iimFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes iimPop {
  0% { transform: scale(0.7); opacity: 0; }
  70% { transform: scale(1.08); opacity: 1; }
  100% { transform: scale(1); }
}

@media (max-width: 768px) {
  .iim-selection-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.65rem;
  }

  .iim-selection-option {
    min-height: 64px;
    padding: 0.8rem 0.75rem;
  }

  .iim-option-name {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .iim-selection-page {
    padding: 0.85rem 0.7rem 1.6rem;
  }

  .iim-selection-panel {
    border-radius: 18px;
    padding: 1.1rem 0.95rem 1.25rem;
  }

  .iim-selection-brandbar {
    margin-bottom: 0.85rem;
  }

  .iim-selection-grid {
    grid-template-columns: 1fr;
  }

  .iim-selection-btn,
  .iim-selection-btn-lg,
  .iim-selection-actions .btn {
    width: 100%;
  }

  .iim-selection-actions {
    bottom: 0.4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .iim-orb,
  .iim-selection-option,
  .iim-anim-fade-down,
  .iim-anim-fade-up,
  .iim-selection-thanks,
  .iim-status-icon,
  .iim-chip-row,
  .iim-selection-alert {
    animation: none !important;
  }

  .iim-selection-option {
    opacity: 1;
    transform: none;
  }
}
.iim-selection-loading-center {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--iim-muted);
}

.iim-upload-list {
  display: grid;
  gap: 0.85rem;
  margin: 0.4rem 0 1.25rem;
}

.iim-congrats-banner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.55rem;
  margin: 0 0 0.55rem;
  flex-wrap: wrap;
}

.iim-congrats-gif {
  width: 42px;
  height: 42px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

.iim-congrats-heading {
  margin: 0 !important;
  line-height: 1.2;
  text-align: left;
}

.iim-hallticket-field {
  margin: 0.25rem 0 1.15rem;
  padding: 1rem 1.05rem;
  border: 1px solid var(--iim-line);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(231, 241, 250, 0.45));
  box-sizing: border-box;
  max-width: 100%;
  overflow: hidden;
}

.iim-hallticket-label {
  display: block;
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--iim-ink);
  margin-bottom: 0.45rem;
}

.iim-hallticket-input {
  display: block;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  border: 1px solid rgba(11, 79, 138, 0.28);
  border-radius: 12px;
  padding: 0.75rem 0.9rem;
  font: inherit;
  font-size: 1.05rem;
  color: var(--iim-ink);
  background: #fff;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.iim-hallticket-input:focus {
  border-color: var(--iim-blue);
  box-shadow: 0 0 0 3px rgba(11, 79, 138, 0.12);
}

.iim-upload-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.05rem;
  border: 1px solid var(--iim-line);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(231, 241, 250, 0.55));
  opacity: 0;
  transform: translateY(10px);
  animation: iimTileIn 0.35s ease forwards;
  animation-delay: calc(var(--iim-stagger, 0) * 40ms);
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
}

.iim-upload-row.is-filled {
  border-color: rgba(42, 154, 98, 0.45);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(232, 248, 239, 0.7));
}

.iim-upload-copy {
  min-width: 0;
  flex: 1 1 auto;
  max-width: 100%;
}

.iim-upload-title {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--iim-ink);
  margin-bottom: 0.35rem;
  word-break: break-word;
}

.iim-upload-meta {
  display: block;
  font-size: 0.92rem;
  color: var(--iim-muted);
  word-break: break-word;
}

.iim-upload-filechip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.65rem;
  margin-top: 0.15rem;
  min-width: 0;
  max-width: 100%;
}

.iim-upload-filechip > .fa-file-alt {
  color: #1f7a4d;
}

.iim-upload-filename {
  font-weight: 600;
  color: var(--iim-ink);
  max-width: min(100%, 18rem);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.iim-upload-filesize {
  font-size: 0.88rem;
  color: var(--iim-muted);
}

.iim-upload-remove {
  border: 1px solid rgba(138, 31, 17, 0.28);
  background: #fff;
  color: #8a1f11;
  border-radius: 999px;
  padding: 0.28rem 0.7rem;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.iim-upload-remove:hover {
  background: #fdecea;
}

.iim-upload-actions {
  flex: 0 0 auto;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

.iim-upload-pick {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.7rem 0.95rem;
  border-radius: 999px;
  border: 1px solid rgba(11, 79, 138, 0.25);
  background: #fff;
  color: var(--iim-blue);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
  box-sizing: border-box;
  max-width: 100%;
}

.iim-upload-pick:hover {
  background: var(--iim-blue-soft);
  border-color: rgba(11, 79, 138, 0.45);
  transform: translateY(-1px);
}

.iim-upload-pick.is-change {
  border-color: rgba(31, 122, 77, 0.35);
  color: #1f7a4d;
}

@media (max-width: 640px) {
  .iim-upload-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .iim-upload-actions {
    width: 100%;
    flex: 1 1 auto;
  }

  .iim-upload-pick {
    display: flex;
    width: 100%;
    justify-content: center;
  }

  .iim-upload-filename {
    max-width: 12rem;
  }

  .iim-upload-filechip {
    width: 100%;
  }
}