* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--color-ground);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  padding: var(--space-3);
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

main {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

header {
  border-bottom: 2px solid var(--color-border);
  padding-bottom: var(--space-4);
}

h1 {
  font-size: 1.75rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  margin-bottom: var(--space-2);
}

.subtitle {
  font-size: 1rem;
  color: var(--color-ink-muted);
}

.capacity-callout {
  margin-top: var(--space-3);
  background: var(--color-surface-alt);
  border-radius: var(--radius);
  padding: var(--space-3);
  font-size: 0.9375rem;
  word-break: break-word;
}

.capacity-callout strong {
  color: var(--color-ink);
}

section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  overflow-wrap: break-word;
  word-break: break-word;
}

h2 {
  font-size: 1.25rem;
  line-height: 1.3;
  color: var(--color-ink);
}

h3 {
  font-size: 1rem;
  line-height: 1.3;
  margin-bottom: var(--space-2);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-ink);
}

input[type="email"],
input[type="password"],
input[type="text"],
input[type="file"],
select {
  font-family: inherit;
  font-size: 1rem;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #ffffff;
  color: var(--color-ink);
  min-height: 44px;
  width: 100%;
}

input:focus-visible,
select:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

button {
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #ffffff;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-accent-hover);
}

.btn-secondary {
  background-color: var(--color-surface-alt);
  color: var(--color-ink);
  border-color: var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-border);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.banner {
  padding: var(--space-3);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  display: none;
  word-break: break-word;
}

.banner.visible {
  display: block;
}

.banner-success {
  background: var(--color-accent-tint);
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.banner-error {
  background: var(--color-danger-tint);
  color: var(--color-danger);
  border: 1px solid var(--color-danger);
}

.session-info {
  font-size: 0.9375rem;
  padding: var(--space-2) 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

.items-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-2);
  width: 100%;
}

.item-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-alt);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  overflow: hidden;
}

.item-id {
  font-weight: 600;
  color: var(--color-ink);
  word-break: break-all;
  overflow-wrap: anywhere;
  max-width: 100%;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.8125rem;
  background: var(--color-accent-tint);
  color: var(--color-accent);
  font-weight: 600;
  white-space: nowrap;
}

.empty-state {
  color: var(--color-ink-muted);
  font-style: italic;
  font-size: 0.9375rem;
}