/* Cores semânticas: o azul institucional e a composição da marca são preservados. */
:root {
 color-scheme: light;
 --link: var(--blue); --link-hover: #0346d5;
 --text-secondary: #596b88; --text-subtle: #748098;
 --soft: #eef3ff; --soft-hover: #f2f6ff;
 --input: #fff; --input-line: #dae1ec; --placeholder: #a9b3c4;
 --table-head: #fafbfd; --table-hover: #fcfdff; --table-line: #f0f2f7;
 --info-bg: #edf3ff; --info-line: #dce7ff; --info-text: #56709a;
 --warning-bg: #fff9eb; --warning-line: #f1dfb3; --warning-text: #9c7b33;
 --success-bg: #edf8f4; --success-line: #cceadc; --success-text: #298168;
 --danger-bg: #fff0f2; --danger-line: #f3cdd3; --danger-text: #bd4e5b;
}
:root[data-theme="dark"] {
 color-scheme: dark;
 --surface: #080f20; --white: #111d32; --ink: #e6edfa;
 --muted: #a4b3cd; --line: #293953; --shadow: 0 3px 14px #0002;
 --link: #8db3ff; --link-hover: #bad0ff;
 --text-secondary: #c0cde2; --text-subtle: #a4b3cd;
 --blue-light: #1b3054; --soft: #1b3054; --soft-hover: #213959;
 --input: #0d1729; --input-line: #40516e; --placeholder: #8d9eb9;
 --table-head: #152238; --table-hover: #192a43; --table-line: #293953;
 --info-bg: #162c4b; --info-line: #355783; --info-text: #b1ccf5;
 --warning-bg: #332a17; --warning-line: #6d5730; --warning-text: #f0ce81;
 --success-bg: #14372e; --success-line: #30634d; --success-text: #91ddba;
 --danger-bg: #3b202c; --danger-line: #754050; --danger-text: #ffb0c0;
}
/* Sem JavaScript, acompanha o sistema e mantém os formulários utilizáveis. */
@media (prefers-color-scheme: dark) {
 :root:not([data-theme]) {
  color-scheme: dark;
  --surface: #080f20; --white: #111d32; --ink: #e6edfa;
  --muted: #a4b3cd; --line: #293953; --shadow: 0 3px 14px #0002;
  --link: #8db3ff; --link-hover: #bad0ff;
  --text-secondary: #c0cde2; --text-subtle: #a4b3cd;
  --blue-light: #1b3054; --soft: #1b3054; --soft-hover: #213959;
  --input: #0d1729; --input-line: #40516e; --placeholder: #8d9eb9;
  --table-head: #152238; --table-hover: #192a43; --table-line: #293953;
  --info-bg: #162c4b; --info-line: #355783; --info-text: #b1ccf5;
  --warning-bg: #332a17; --warning-line: #6d5730; --warning-text: #f0ce81;
  --success-bg: #14372e; --success-line: #30634d; --success-text: #91ddba;
  --danger-bg: #3b202c; --danger-line: #754050; --danger-text: #ffb0c0;
 }
}
.theme-controls {display:flex;align-items:center;justify-content:flex-end;gap:10px;flex-wrap:wrap}
.theme-controls[hidden],.theme-toggle[hidden],.theme-toggle [hidden] {display:none}
.theme-toggle {display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:40px;padding:8px 11px;border:1px solid var(--line);border-radius:8px;background:var(--white);color:var(--text-secondary);font-size:12px;font-weight:600;white-space:nowrap;flex-shrink:0}
.theme-toggle:hover {background:var(--soft-hover);color:var(--link)}
.theme-toggle[aria-pressed="true"] {background:var(--soft);border-color:var(--info-line);color:var(--link)}
.theme-toggle .icon {width:17px;height:17px}
.theme-toggle:focus-visible {outline:3px solid var(--link);outline-offset:3px}
.theme-toolbar {display:flex;justify-content:flex-end;margin-bottom:24px}
.topbar-left {min-width:0}
@media (max-width:480px) {
 .theme-controls {gap:8px}
 .topbar .theme-toggle {width:40px;padding:8px}
 .topbar .theme-toggle span {display:none}
}

/* Superfícies, controles nativos e estados de interação. */
.panel,.stat-card,.auth-page,.button.secondary,.skip-link {background:var(--white)}
.company-filter select {background-color:var(--input)}
input:not([type=checkbox]):not([type=file]),select,textarea {background:var(--input);border-color:var(--input-line)}
input[type=file] {background:var(--surface);border-color:var(--input-line)}
input[type=file]::file-selector-button {background:var(--white);border-color:var(--input-line);color:var(--link)}
.button.secondary {border-color:var(--input-line)}
.button.secondary:hover,.icon-button:hover {background:var(--soft-hover);border-color:var(--info-line)}
.avatar,.stat-icon,.soft-icon,.company-avatar,.empty-symbol,.upload-symbol {background:var(--soft)}
.avatar {border-color:var(--info-line)}
th {background:var(--table-head);border-color:var(--table-line)}
td,.company-summary {border-color:var(--table-line)}
tbody tr:hover {background:var(--table-hover)}
.bar-track,.company-tag {background:var(--soft)}
.forecast-footer {background:var(--table-hover);border-color:var(--line)}
.app-footer {border-color:var(--line)}
.drop-zone {background:var(--table-hover);border-color:var(--input-line)}
.drop-zone.dragging {background:var(--soft);border-color:var(--link)}
.auth-tabs {background:var(--surface);border-color:var(--line)}
.auth-tabs a.selected {background:var(--white)}
.notice,.message {background:var(--info-bg);border-color:var(--info-line);color:var(--info-text)}
.notice.warning {background:var(--warning-bg);border-color:var(--warning-line);color:var(--warning-text)}
.notice.warning>.icon,.notice.warning strong {color:var(--warning-text)}
.pill.neutral {background:var(--surface);color:var(--text-secondary)}
.pill.success,.message.success {background:var(--success-bg);color:var(--success-text);border-color:var(--success-line)}
.pill.warning,.stat-icon.amber {background:var(--warning-bg);color:var(--warning-text)}
.pill.danger,.message.error,.errorlist {background:var(--danger-bg);color:var(--danger-text);border-color:var(--danger-line)}

/* Ajustes de contraste apenas no escuro; os tons originais do claro permanecem. */
:root[data-theme="dark"] a:not([class]),
 :root[data-theme="dark"] :is(.skip-link,.text-link,.text-button:not(.danger-text),.eyebrow.blue,.auth-step,.table-main:hover,.forecast-footer,.auth-tabs a.selected,.notice:not(.warning)>.icon,.avatar,.stat-icon:not(.amber),.soft-icon,.company-avatar,.empty-symbol,.upload-symbol,.icon-button:hover) {color:var(--link)}
 :root[data-theme="dark"] :is(.breadcrumb,.breadcrumb span,.local-pill,.section-title>span,.stat-label,.stat-card>small,.panel-heading p,td small,.table-empty,.demo-label,.forecast-row>div:first-child,.company-summary .grow small,.activity-item small,.empty-inline,.demo-note,.app-footer,.onboarding p,.company-legal,.cnpj-line,.company-card-stats span,.cert-line,.empty-state p,.field-help,.guidance p,.guidance li,.footnote,.pagination,.drop-zone p,.title-secondary,.detail-label,.invoice-summary small,.key-panel p,.account-banner small,.demo-panel p,.auth-tabs a,.auth-local) {color:var(--text-subtle)}
 :root[data-theme="dark"] :is(.breadcrumb strong,.button.secondary,td strong,.table-main,.forecast-row strong,.company-tag,.activity-item p,.form-field>label,.filter-field>label,.key-panel code) {color:var(--text-secondary)}
 :root[data-theme="dark"] :is(input:not([type=checkbox]):not([type=file]),select,textarea) {color:var(--ink)}
 :root[data-theme="dark"] input::placeholder {color:var(--placeholder)}
 :root[data-theme="dark"] th {color:var(--text-subtle)}
 :root[data-theme="dark"] .notice:not(.warning) strong {color:var(--info-text)}
 :root[data-theme="dark"] .danger-text {color:var(--danger-text)}
 :root[data-theme="dark"] .amber-text {color:var(--warning-text)!important}
 :root[data-theme="dark"] .activity-dot {box-shadow:0 0 0 4px var(--soft)}
 :root[data-theme="dark"] .account-link:hover {color:var(--link-hover)}
@media (prefers-color-scheme:dark) {
:root:not([data-theme]) a:not([class]),
 :root:not([data-theme]) :is(.skip-link,.text-link,.text-button:not(.danger-text),.eyebrow.blue,.auth-step,.table-main:hover,.forecast-footer,.auth-tabs a.selected,.notice:not(.warning)>.icon,.avatar,.stat-icon:not(.amber),.soft-icon,.company-avatar,.empty-symbol,.upload-symbol,.icon-button:hover) {color:var(--link)}
 :root:not([data-theme]) :is(.breadcrumb,.breadcrumb span,.local-pill,.section-title>span,.stat-label,.stat-card>small,.panel-heading p,td small,.table-empty,.demo-label,.forecast-row>div:first-child,.company-summary .grow small,.activity-item small,.empty-inline,.demo-note,.app-footer,.onboarding p,.company-legal,.cnpj-line,.company-card-stats span,.cert-line,.empty-state p,.field-help,.guidance p,.guidance li,.footnote,.pagination,.drop-zone p,.title-secondary,.detail-label,.invoice-summary small,.key-panel p,.account-banner small,.demo-panel p,.auth-tabs a,.auth-local) {color:var(--text-subtle)}
 :root:not([data-theme]) :is(.breadcrumb strong,.button.secondary,td strong,.table-main,.forecast-row strong,.company-tag,.activity-item p,.form-field>label,.filter-field>label,.key-panel code) {color:var(--text-secondary)}
 :root:not([data-theme]) :is(input:not([type=checkbox]):not([type=file]),select,textarea) {color:var(--ink)}
 :root:not([data-theme]) input::placeholder {color:var(--placeholder)}
 :root:not([data-theme]) th {color:var(--text-subtle)}
 :root:not([data-theme]) .notice:not(.warning) strong {color:var(--info-text)}
 :root:not([data-theme]) .danger-text {color:var(--danger-text)}
 :root:not([data-theme]) .amber-text {color:var(--warning-text)!important}
 :root:not([data-theme]) .activity-dot {box-shadow:0 0 0 4px var(--soft)}
 :root:not([data-theme]) .account-link:hover {color:var(--link-hover)}
}