:root {
  --color-bg: #000000;
  --color-card: #09090b;
  --color-secondary: #18181b;
  --color-border: #27272a;
  --color-primary: #db2777;
  --color-accent: #ec4899;
  --color-text: #ffffff;
  --color-muted: #a1a1aa;
  --color-subtle: #71717a;
  --color-error: #fb7185;
  --content-width: 640px;
  --page-padding: 16px;
  --header-height: 69px;
  --button-height: 48px;
  --card-gap: 16px;
  --radius-card: 16px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--color-bg);
}

body {
  min-width: 320px;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

button,
textarea,
input {
  font: inherit;
}

button,
label {
  -webkit-tap-highlight-color: transparent;
}

.topbar {
  position: sticky;
  z-index: 10;
  top: 0;
  height: calc(var(--header-height) + env(safe-area-inset-top));
  padding-top: env(safe-area-inset-top);
  border-bottom: 1px solid var(--color-border);
  background: rgba(0, 0, 0, 0.94);
  backdrop-filter: blur(14px);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100%, calc(var(--content-width) + (var(--page-padding) * 2)));
  height: var(--header-height);
  margin: 0 auto;
  padding: 0 var(--page-padding);
}

.logo {
  color: var(--color-text);
  font-size: 30px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -1.5px;
  text-decoration: none;
}

.logo__year {
  color: var(--color-accent);
  font-weight: 300;
}

.connection-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-muted);
  font-size: 12px;
  white-space: nowrap;
}

.connection-badge::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-subtle);
  content: "";
}

.connection-badge[data-state="online"]::before {
  background: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(236, 72, 153, 0.14);
}

.connection-badge[data-state="offline"] {
  color: var(--color-error);
}

.connection-badge[data-state="offline"]::before {
  background: var(--color-error);
}

.app-shell {
  width: min(100%, calc(var(--content-width) + (var(--page-padding) * 2)));
  margin: 0 auto;
  padding: 28px var(--page-padding) calc(36px + env(safe-area-inset-bottom));
}

.intro {
  margin: 0 2px 24px;
}

.intro h1,
.notice-card h1 {
  margin: 6px 0 8px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.4px;
}

.intro > p:last-child,
.notice-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.6;
}

.eyebrow {
  margin: 0;
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.work-card,
.progress-card,
.notice-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-card);
}

.work-card {
  display: grid;
  gap: 24px;
  padding: 20px;
}

.field-group {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.field-label,
.field-group legend {
  display: block;
  margin: 0 0 10px;
  padding: 0;
  color: var(--color-text);
  font-size: 14px;
  font-weight: 700;
}

.field-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.counter,
.field-hint {
  color: var(--color-subtle);
  font-size: 12px;
  font-weight: 400;
}

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

.mode-option {
  position: relative;
}

.mode-option input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.mode-option span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: var(--button-height);
  padding: 0 14px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-secondary);
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.mode-option input:checked + span {
  border-color: var(--color-primary);
  background: rgba(219, 39, 119, 0.15);
  color: var(--color-text);
}

.mode-option input:focus-visible + span,
.upload-area:focus-within,
textarea:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.upload-area {
  display: flex;
  min-height: 150px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 20px;
  border: 1px dashed #3f3f46;
  border-radius: 12px;
  background: var(--color-secondary);
  text-align: center;
  cursor: pointer;
}

.upload-area input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.upload-area__mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 50%;
  background: rgba(236, 72, 153, 0.12);
  color: var(--color-accent);
  font-size: 26px;
  font-weight: 300;
  line-height: 1;
}

.upload-area__title {
  font-size: 14px;
  font-weight: 700;
}

.image-preview {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-secondary);
}

.image-preview img {
  display: block;
  width: 100%;
  max-height: 320px;
  object-fit: contain;
  background: #050505;
}

.image-preview__info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 48px;
  padding: 8px 12px;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 12px;
}

.image-preview__info span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.text-button {
  padding: 8px;
  border: 0;
  background: transparent;
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

textarea {
  display: block;
  width: 100%;
  min-height: 156px;
  resize: vertical;
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-secondary);
  color: var(--color-text);
  font-size: 15px;
  line-height: 1.55;
  transition: border-color 160ms ease;
}

textarea::placeholder {
  color: var(--color-subtle);
}

textarea:focus-visible {
  border-color: var(--color-accent);
}

.form-message {
  min-height: 18px;
  margin: 7px 0 -4px;
  color: var(--color-error);
  font-size: 12px;
  line-height: 1.5;
}

.primary-button {
  width: 100%;
  min-height: var(--button-height);
  padding: 0 18px;
  border: 0;
  border-radius: 12px;
  background: var(--color-primary);
  color: var(--color-text);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: filter 160ms ease, transform 100ms ease, opacity 160ms ease;
}

.primary-button:not(:disabled):active {
  transform: scale(0.99);
}

.primary-button:not(:disabled):hover {
  filter: brightness(1.08);
}

.primary-button:disabled {
  cursor: not-allowed;
  opacity: 0.38;
}

.progress-card {
  margin-top: var(--card-gap);
  padding: 20px;
}

.progress-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.progress-card h2 {
  margin: 5px 0 0;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.4;
}

.progress-value {
  color: var(--color-text);
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.6px;
}

.progress-track {
  overflow: hidden;
  height: 8px;
  margin-top: 20px;
  border-radius: 999px;
  background: var(--color-secondary);
}

.progress-track span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: width 300ms ease;
}

.progress-detail {
  margin: 12px 0 0;
  color: var(--color-muted);
  font-size: 12px;
  line-height: 1.5;
}

.notice-card {
  display: flex;
  gap: 14px;
  margin-top: 24px;
  padding: 20px;
}

.notice-card__icon {
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  background: rgba(236, 72, 153, 0.14);
  color: var(--color-accent);
  font-weight: 900;
}

.notice-card h1 {
  margin-top: 1px;
}

[hidden] {
  display: none !important;
}

@media (min-width: 480px) {
  .app-shell {
    padding-top: 36px;
  }

  .mode-switch {
    grid-template-columns: 1fr 1fr;
  }

  .work-card,
  .progress-card {
    padding: 24px;
  }
}

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