*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background-color: var(--color-ground);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  word-break: break-word;
  overflow-wrap: anywhere;
}

::selection {
  background-color: color-mix(in oklch, var(--color-accent) 25%, transparent);
  color: var(--color-ink);
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.site-header {
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-surface);
  padding: var(--space-4) var(--space-4);
  width: 100%;
}

.header-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.site-title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin: 0;
  color: var(--color-ink);
}

.session-info {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  word-break: break-all;
}

.main-container {
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: var(--space-6) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  overflow-x: hidden;
}

.intro-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.intro-section h1 {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0;
  text-wrap: balance;
  word-break: break-word;
}

.intro-section p {
  color: var(--color-ink-muted);
  margin: 0;
  max-width: 65ch;
  text-wrap: pretty;
  word-break: break-word;
}

.layout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  width: 100%;
}

@media (min-width: 768px) {
  .layout-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.panel {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  width: 100%;
  min-width: 0;
  overflow-x: hidden;
}

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

.panel-header h2 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin: 0;
  color: var(--color-ink);
  word-break: break-word;
}

.panel-header p {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  margin: 0;
  word-break: break-word;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  width: 100%;
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-ink);
}

.form-input, .form-select {
  width: 100%;
  max-width: 100%;
  padding: var(--space-2) var(--space-3);
  font-family: inherit;
  font-size: var(--text-sm);
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  color: var(--color-ink);
  border-radius: var(--radius);
  min-height: 44px;
  box-sizing: border-box;
}

.form-input:focus, .form-select:focus {
  border-color: var(--color-accent);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
  width: 100%;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-3);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 600;
  color: #ffffff;
  background-color: var(--color-ink);
  border: 1px solid var(--color-ink);
  border-radius: var(--radius);
  cursor: pointer;
  min-height: 44px;
  text-decoration: none;
  box-sizing: border-box;
}

.btn:hover:not(:disabled) {
  background-color: color-mix(in oklch, var(--color-ink) 85%, white);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-accent {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

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

.btn-outline {
  background-color: transparent;
  color: var(--color-ink);
  border-color: var(--color-border);
}

.btn-outline:hover:not(:disabled) {
  background-color: var(--color-ground);
}

.feedback-msg {
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-3);
  margin-top: var(--space-2);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.feedback-msg.error {
  background-color: color-mix(in oklch, var(--color-error) 10%, var(--color-surface));
  color: var(--color-error);
  border: 1px solid var(--color-error);
}

.feedback-msg.success {
  background-color: color-mix(in oklch, var(--color-success) 10%, var(--color-surface));
  color: var(--color-success);
  border: 1px solid var(--color-success);
}

.records-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  width: 100%;
}

.record-item {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  background-color: var(--color-ground);
  border: 1px solid var(--color-border);
  font-size: var(--text-sm);
  word-break: break-all;
  overflow-wrap: anywhere;
  width: 100%;
  box-sizing: border-box;
}

.record-status {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  padding: var(--space-1) var(--space-2);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  word-break: normal;
  white-space: nowrap;
}

.empty-state {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  font-style: italic;
  padding: var(--space-3) 0;
  word-break: break-word;
}

.hidden {
  display: none !important;
}