:root {
  --is-blue: #2092CA;
  --is-text: #696969;
  --is-heading: #292929;
  --is-bg: #ffffff;
  --is-bg-muted: #F5F7FA;
  --is-border: #e4e7ec;
  --page-max: 880px;
}

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

body {
  margin: 0;
  font-family: Roboto, sans-serif;
  font-weight: 300;
  color: var(--is-text);
  background: var(--is-bg-muted);
}

h1, h2, h3 {
  color: var(--is-heading);
  font-weight: 400;
}

.page {
  display: block;
  width: 100%;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

.page:has(.login-card) {
  max-width: 420px;
}

.page:has(.admin-card) {
  max-width: 1100px;
}

/* Logo: barra in alto, centrata, staccata dalla card sotto */
.site-brand {
  display: block;
  width: 100%;
  margin: 0 0 1.75rem;
  padding: 1.35rem 1.5rem;
  text-align: center;
  background: var(--is-bg);
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(41, 41, 41, 0.08);
}

.brand-logo-link {
  display: inline-block;
  line-height: 0;
  vertical-align: middle;
}

.brand-logo {
  display: block;
  width: 260px;
  max-width: 70vw;
  height: auto;
  margin: 0 auto;
}

.login-card,
.client-card,
.admin-card {
  display: block;
  width: 100%;
  padding: 2rem;
  background: var(--is-bg);
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(41, 41, 41, 0.08);
}

.login-card h1 {
  margin: 0 0 0.25rem;
  text-align: center;
}

.login-card .subtitle {
  text-align: center;
}

.subtitle {
  margin: 0 0 1.5rem;
  color: var(--is-text);
}

.error {
  margin: 0 0 1rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  background: #fdecea;
  color: #b42318;
}

.success {
  margin: 0 0 1rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  background: #ecfdf3;
  color: #027a48;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.login-form label {
  font-size: 0.875rem;
  color: var(--is-heading);
}

.login-form input {
  padding: 0.625rem 0.75rem;
  border: 1px solid #d0d5dd;
  border-radius: 8px;
  font-family: Roboto, sans-serif;
  font-size: 1rem;
}

.btn-primary {
  font-family: "Work Sans", sans-serif;
  background: var(--is-blue);
  color: #fff;
  border: 0;
  border-radius: 500px;
  padding: 0 30px;
  height: 44px;
  cursor: pointer;
}

.login-form .btn-primary {
  margin-top: 0.5rem;
  width: 100%;
}

.client-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.client-header h1 {
  margin: 0 0 0.25rem;
}

.client-header .subtitle {
  margin-bottom: 0;
}

.btn-secondary {
  font-family: "Work Sans", sans-serif;
  background: transparent;
  color: var(--is-text);
  border: 1px solid #d0d5dd;
  border-radius: 500px;
  padding: 0 20px;
  height: 36px;
  cursor: pointer;
}

.usage {
  margin: 0 0 1.5rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  background: var(--is-bg-muted);
  color: var(--is-heading);
}

.generate-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.generate-form > label {
  font-size: 0.875rem;
  color: var(--is-heading);
}

.generate-form textarea {
  display: block;
  width: 100%;
  padding: 0.625rem 0.75rem;
  border: 1px solid #d0d5dd;
  border-radius: 8px;
  font-family: Roboto, sans-serif;
  font-size: 1rem;
  resize: vertical;
}

/* Voice picker: niente fieldset — griglia pulita */
.voice-picker {
  display: block;
  width: 100%;
  margin: 0.75rem 0 0;
}

.voice-picker-title {
  margin: 0 0 0.35rem;
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--is-heading);
  text-align: center;
}

.voice-hint {
  margin: 0 0 1.15rem;
  font-size: 0.8125rem;
  color: var(--is-text);
  text-align: center;
}

.voice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.875rem;
  width: 100%;
}

.voice-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
  margin: 0;
  padding: 1rem 0.75rem;
  background: var(--is-bg-muted);
  border: 2px solid transparent;
  border-radius: 12px;
  min-width: 0;
}

.voice-card.is-selected,
.voice-card:has(input:checked) {
  border-color: var(--is-blue);
  background: #eef7fc;
}

.voice-card-select {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  cursor: pointer;
  width: 100%;
}

.voice-card-select input {
  flex: 0 0 auto;
  margin: 0;
  accent-color: var(--is-blue);
}

.voice-card-name {
  font-family: "Work Sans", sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--is-heading);
  text-align: center;
  line-height: 1.3;
}

.voice-sample {
  display: block;
  width: 100%;
  height: 36px;
}

.generate-form .btn-primary {
  display: block;
  width: 100%;
  max-width: 320px;
  margin: 1rem auto 0;
}

.history {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--is-border);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.history h2 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.history-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.history-item {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  background: var(--is-bg-muted);
}

.history-meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 0.5rem;
}

.history-text {
  color: var(--is-heading);
}

.history-voice {
  font-size: 0.8125rem;
  color: var(--is-text);
}

.history-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.history-preview {
  width: min(100%, 280px);
  height: 36px;
}

.btn-link {
  font-family: "Work Sans", sans-serif;
  font-size: 0.875rem;
  color: var(--is-blue);
  text-decoration: none;
}

.btn-link:hover {
  text-decoration: underline;
}

.btn-download {
  font-weight: 500;
}

.admin-section {
  margin-top: 2rem;
}

.admin-section h2 {
  margin: 0 0 1rem;
  font-size: 1rem;
}

.admin-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.admin-form-inline {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 1rem;
}

.admin-form label {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  font-size: 0.875rem;
  color: var(--is-heading);
}

.admin-form input {
  padding: 0.625rem 0.75rem;
  border: 1px solid #d0d5dd;
  border-radius: 8px;
  font-family: Roboto, sans-serif;
  font-size: 1rem;
}

.admin-table-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.admin-table th,
.admin-table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--is-border);
  vertical-align: top;
}

.admin-table th {
  color: var(--is-heading);
  font-weight: 500;
}

.admin-row-inactive td {
  opacity: 0.65;
}

.admin-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 220px;
}

.admin-actions form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  align-items: center;
}

.admin-limit-form input,
.admin-password-form input {
  padding: 0.375rem 0.5rem;
  border: 1px solid #d0d5dd;
  border-radius: 6px;
  font-family: Roboto, sans-serif;
  font-size: 0.8125rem;
  width: 6rem;
}

.admin-password-form input {
  width: 9rem;
}

.btn-small {
  height: 32px;
  padding: 0 12px;
  font-size: 0.8125rem;
}

.admin-empty {
  margin: 0;
  color: var(--is-text);
}

.api-usage-note {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  color: var(--is-text);
}

.api-usage-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.875rem;
}

.api-usage-card {
  margin: 0;
  padding: 1rem 1.15rem;
  background: var(--is-bg-muted);
  border-radius: 12px;
}

.api-usage-card h3 {
  margin: 0 0 0.75rem;
  font-size: 0.9375rem;
}

.api-usage-card dl {
  margin: 0;
  display: grid;
  gap: 0.45rem;
}

.api-usage-card dl > div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.875rem;
}

.api-usage-card dt {
  color: var(--is-text);
}

.api-usage-card dd {
  margin: 0;
  font-family: "Work Sans", sans-serif;
  font-weight: 500;
  color: var(--is-heading);
}

.api-usage-link {
  margin: 1rem 0 0;
}

@media (max-width: 640px) {
  .api-usage-grid {
    grid-template-columns: 1fr;
  }
}


@media (max-width: 720px) {
  .voice-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .voice-grid {
    grid-template-columns: 1fr;
  }

  .brand-logo {
    width: 220px;
  }
}