:root {
  color-scheme: light;
  --green: #05a66b;
  --green-bright: #19c88c;
  --red: #ef3333;
  --red-deep: #9f1026;
  --teal: #0c8f8b;
  --coral: #ff705b;
  --cream: #fff9ef;
  --ink: #102827;
  --muted: rgba(255, 255, 255, 0.78);
  --glass-line: rgba(255, 255, 255, 0.22);
  --shadow: 0 24px 70px rgba(5, 42, 40, 0.22);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background: #071f20;
  color: white;
  overflow: hidden;
}

button,
input,
textarea,
select { font: inherit; }
button,
select { cursor: pointer; }
button { border: 0; }

.app-shell {
  position: relative;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  isolation: isolate;
  background: #071f20;
}

.top-edge,
.right-edge {
  position: fixed;
  z-index: 20;
  pointer-events: none;
}

.top-edge {
  inset: max(14px, env(safe-area-inset-top)) 14px auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand,
.top-actions,
.action-button { pointer-events: auto; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: white;
  text-decoration: none;
  font-weight: 900;
  letter-spacing: -0.015em;
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.26);
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 999px 999px 999px 8px;
  background: linear-gradient(135deg, var(--teal), var(--coral));
  box-shadow: 0 12px 30px rgba(12, 143, 139, 0.34);
  transform: rotate(-18deg);
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.top-actions select,
.icon-button,
.action-button {
  border: 1px solid var(--glass-line);
  background: rgba(6, 36, 35, 0.44);
  color: white;
  backdrop-filter: blur(18px);
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.18);
}

.top-actions select {
  width: 104px;
  min-height: 42px;
  border-radius: 999px;
  padding: 0 12px;
  outline: none;
}

.icon-button {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  font-size: 1.55rem;
  line-height: 1;
  font-weight: 500;
}

.feed {
  height: 100%;
  overflow-y: auto;
  scroll-snap-type: y mandatory;
  overscroll-behavior-y: contain;
  scrollbar-width: none;
}

.feed::-webkit-scrollbar { display: none; }

.idea-slide {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  scroll-snap-align: start;
  overflow: hidden;
  touch-action: pan-y;
  user-select: none;
}

.idea-slide::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.52) 0%, rgba(0, 0, 0, 0.16) 34%, rgba(0, 0, 0, 0.76) 100%);
  pointer-events: none;
}

.vote-fields {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: flex;
  pointer-events: none;
}

.vote-field {
  width: 50%;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.12);
  font-size: clamp(3rem, 18vw, 14rem);
  font-weight: 950;
  letter-spacing: 0.04em;
  transition: width 380ms cubic-bezier(0.22, 1, 0.36, 1), opacity 380ms ease;
}

.vote-field-yes { background: linear-gradient(135deg, rgba(0, 145, 88, 0.82), rgba(25, 200, 140, 0.72)); }
.vote-field-no { background: linear-gradient(135deg, rgba(239, 51, 51, 0.78), rgba(159, 16, 38, 0.78)); }

.idea-slide[data-preview="yes"] .vote-field-yes,
.idea-slide[data-vote="yes"] .vote-field-yes { width: 100%; }

.idea-slide[data-preview="yes"] .vote-field-no,
.idea-slide[data-vote="yes"] .vote-field-no {
  width: 0;
  opacity: 0;
}

.idea-slide[data-preview="no"] .vote-field-yes,
.idea-slide[data-vote="no"] .vote-field-yes {
  width: 0;
  opacity: 0;
}

.idea-slide[data-preview="no"] .vote-field-no,
.idea-slide[data-vote="no"] .vote-field-no { width: 100%; }

.idea-slide[data-preview="clear"] .vote-field-yes,
.idea-slide[data-preview="clear"] .vote-field-no {
  width: 50%;
  opacity: 1;
}

.idea-backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(circle at 24% 16%, rgba(255, 255, 255, 0.18), transparent 15rem),
    linear-gradient(180deg, rgba(4, 20, 20, 0.18), rgba(4, 20, 20, 0.5));
  pointer-events: none;
}

.idea-content {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 18px;
  padding: 96px min(136px, 18vw) 108px max(20px, 6vw);
}

.vote-hint {
  width: fit-content;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 8px 11px;
  background: rgba(0, 0, 0, 0.22);
  color: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  font-size: 0.88rem;
  font-weight: 780;
  letter-spacing: 0.012em;
}

.new-marker {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--teal);
  padding: 5px 9px;
  font-size: 0.72rem;
  font-weight: 950;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  padding: 7px 11px;
  background: rgba(255, 255, 255, 0.14);
  color: white;
  backdrop-filter: blur(18px);
  font-size: 0.8rem;
  font-weight: 820;
  letter-spacing: 0.035em;
}

.tag.coral { background: rgba(255, 112, 91, 0.24); }
.tag.primary { background: rgba(12, 143, 139, 0.34); }
.tag.custom { background: rgba(255, 229, 158, 0.2); border-color: rgba(255, 229, 158, 0.36); }

.idea-copy h2 {
  max-width: 790px;
  margin: 16px 0 12px;
  font-size: clamp(3.1rem, 11vw, 7.8rem);
  line-height: 0.86;
  letter-spacing: -0.035em;
  text-wrap: balance;
  text-shadow: 0 6px 40px rgba(0, 0, 0, 0.34);
}

.idea-copy p {
  max-width: 620px;
  margin: 0 0 18px;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.55;
  letter-spacing: 0.012em;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.36);
}

.idea-stats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  color: white;
}

.approval {
  font-size: clamp(2rem, 5vw, 3.3rem);
  line-height: 1;
  font-weight: 950;
  letter-spacing: -0.025em;
}

.counts {
  color: var(--muted);
  font-weight: 760;
  letter-spacing: 0.012em;
}

.right-edge {
  right: max(12px, env(safe-area-inset-right));
  top: 50%;
  display: grid;
  gap: 12px;
  transform: translateY(-50%);
}

.action-button {
  width: 66px;
  height: 66px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.action-button span {
  font-size: 2.05rem;
  line-height: 1;
  font-weight: 950;
}

.action-button:hover,
.action-button.active { transform: translateY(-2px) scale(1.04); }

.action-button:disabled {
  cursor: not-allowed;
  opacity: 0.38;
  transform: none;
}

.action-button.copied {
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
}

.action-button.yes:hover,
.action-button.yes.active {
  background: rgba(5, 166, 107, 0.76);
  border-color: rgba(255, 255, 255, 0.34);
  box-shadow: 0 18px 42px rgba(5, 166, 107, 0.34);
}

.action-button.no:hover,
.action-button.no.active {
  background: rgba(239, 51, 51, 0.76);
  border-color: rgba(255, 255, 255, 0.34);
  box-shadow: 0 18px 42px rgba(239, 51, 51, 0.34);
}

.composer {
  width: min(760px, calc(100% - 18px));
  max-height: calc(100dvh - 18px);
  overflow: visible;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 30px;
  padding: 0;
  background: rgba(255, 249, 239, 0.96);
  color: var(--ink);
  box-shadow: var(--shadow);
}

.composer::backdrop {
  background: rgba(3, 20, 20, 0.68);
  backdrop-filter: blur(8px);
}

.composer form { padding: clamp(12px, 2.4vh, 18px); }

.composer-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 4px;
}

.micro-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.composer .micro-label { color: var(--red-deep); }

.composer h1 {
  margin: 2px 0 0;
  font-size: clamp(1.9rem, 5vw, 3.4rem);
  line-height: 0.92;
  letter-spacing: -0.045em;
}

.close-button {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 999px;
  background: #ff2f2f;
  color: white;
  font-size: 2rem;
  font-weight: 950;
  line-height: 1;
  box-shadow: 0 14px 28px rgba(255, 47, 47, 0.34);
}

.close-button span { transform: translateY(-1px); }

label {
  display: block;
  margin: 10px 0 5px;
  font-weight: 850;
  color: var(--ink);
}

label span {
  color: rgba(16, 40, 39, 0.52);
  font-weight: 750;
}

input,
textarea,
.composer select {
  width: 100%;
  border: 1px solid rgba(5, 61, 59, 0.18);
  border-radius: 18px;
  background: white;
  color: var(--ink);
  outline: none;
  padding: 10px 12px;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

textarea {
  min-height: 76px;
  resize: vertical;
}

input:focus,
textarea:focus,
.composer select:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 4px rgba(12, 143, 139, 0.13);
}

.field-warning,
.tag-warning {
  display: block;
  min-height: 1rem;
  margin-top: 3px;
  color: var(--red-deep);
  font-size: 0.75rem;
  font-weight: 820;
}

.tag-builder {
  margin-top: 10px;
  border: 1px solid rgba(5, 61, 59, 0.14);
  border-radius: 20px;
  background: rgba(12, 143, 139, 0.07);
  padding: 10px;
}

.tag-builder-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.tag-builder-head label { margin: 0 0 4px; }

.tag-builder-head p {
  margin: 0;
  color: rgba(16, 40, 39, 0.62);
  line-height: 1.4;
}

#tagCount {
  border-radius: 999px;
  background: white;
  color: var(--teal);
  padding: 6px 10px;
  font-size: 0.82rem;
  white-space: nowrap;
}

.tag-groups {
  display: grid;
  gap: 12px;
  margin-top: 8px;
}

.tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.tag-group > span {
  width: 52px;
  color: rgba(16, 40, 39, 0.58);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tag-group button,
.tag-add-button {
  border-radius: 999px;
  border: 1px solid rgba(5, 61, 59, 0.16);
  background: white;
  color: var(--ink);
  padding: 7px 10px;
  font-weight: 820;
  transition: background 140ms ease, border-color 140ms ease, color 140ms ease, opacity 140ms ease;
}

.tag-group button.selected {
  background: var(--teal);
  border-color: var(--teal);
  color: white;
}

.tag-group button:disabled,
.tag-add-button:disabled {
  cursor: not-allowed;
  opacity: 0.38;
}

.custom-tag-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  margin-top: 8px;
}

.custom-tag-row input { min-width: 0; }

.custom-tag-row input.used,
.custom-tag-row input:not(:placeholder-shown) {
  background: #ecefed;
}

.custom-tag-row input:disabled {
  background: #ecefed;
  color: rgba(16, 40, 39, 0.5);
  cursor: not-allowed;
}

.selected-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-height: 30px;
  margin-top: 8px;
}

.selected-tag-list:empty {
  display: none;
}

.selected-tag-list button {
  border: 1px solid rgba(12, 143, 139, 0.22);
  border-radius: 999px;
  background: rgba(12, 143, 139, 0.12);
  color: var(--ink);
  padding: 6px 9px;
  font-weight: 850;
}

.selected-tag-list button.custom {
  border-color: rgba(178, 128, 0, 0.22);
  background: rgba(255, 229, 158, 0.42);
}

.selected-tag-list span {
  color: var(--red-deep);
  margin-left: 3px;
}

.tag-add-button {
  background: var(--ink);
  color: white;
  padding-inline: 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.submit-button {
  width: 100%;
  margin-top: 10px;
  border-radius: 999px;
  padding: 12px 16px;
  background: var(--teal);
  color: white;
  font-weight: 950;
  box-shadow: 0 18px 36px rgba(12, 143, 139, 0.34);
}

.legacy-delete,
.legacy-title[hidden] { display: none !important; }

.empty-feed {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px;
  scroll-snap-align: start;
  text-align: center;
  background: linear-gradient(145deg, #053d3b, #c94a37);
}

.empty-feed div { max-width: 420px; }

.empty-feed h2 {
  margin: 0 0 10px;
  font-size: clamp(2.4rem, 10vw, 5rem);
  line-height: 0.9;
  letter-spacing: -0.045em;
}

.empty-feed p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

@media (max-width: 680px) {
  .idea-content { padding: 88px 92px 128px 18px; }
  .idea-copy h2 { font-size: clamp(3.3rem, 18vw, 6rem); }
  .right-edge { right: 10px; }
  .action-button {
    width: 52px;
    height: 58px;
  }
  .form-grid { grid-template-columns: 1fr; }
}

@media (max-height: 760px) {
  .composer form { padding: 12px; }
  .composer h1 { font-size: clamp(1.75rem, 4.5vw, 2.8rem); }
  .composer-head { margin-bottom: 0; }
  .micro-label { font-size: 0.66rem; }
  label { margin: 8px 0 4px; }
  textarea { min-height: 58px; }
  .tag-builder { margin-top: 8px; padding: 8px; }
  .tag-builder-head p { display: none; }
  .tag-groups { gap: 6px; margin-top: 6px; }
  .tag-group { gap: 5px; }
  .tag-group > span { width: 48px; font-size: 0.68rem; }
  .tag-group button,
  .tag-add-button { padding: 6px 8px; font-size: 0.82rem; }
  .custom-tag-row { margin-top: 6px; }
  .selected-tag-list { min-height: 26px; margin-top: 6px; }
  .selected-tag-list button { padding: 5px 8px; font-size: 0.82rem; }
  .submit-button { margin-top: 8px; padding: 10px 14px; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}