:root {
    --vidi-green: oklch(70.6% 0.1089 186.5);
    --vidi-green-strong: oklch(48.77% 0.0657 178.5);
    --vidi-blue: oklch(60.19% 0.1215 249.3);
    --vidi-blue-strong: oklch(31.38% 0.0677 244.8);
    --vidi-purple: oklch(44.9% 0.1277 289.3);
    --vidi-red: oklch(62.4% 0.2022 23.1);
    --vidi-red-strong: oklch(51.48% 0.1792 21.9);
    --vidi-orange: oklch(73.3% 0.1546 53.7);
    --surface-base: oklch(98.12% 0.0034 247.9);
    --surface-panel: oklch(99.1% 0.002 247.9);
    --surface-muted: oklch(96.53% 0.0065 185.3);
    --surface-inset: oklch(94.8% 0.008 186);
    --surface-blue: oklch(96.2% 0.014 249);
    --ink-primary: oklch(23.73% 0.0113 254.1);
    --ink-secondary: oklch(49.9% 0.0228 253);
    --ink-tertiary: oklch(61.5% 0.018 253);
    --ink-on-accent: oklch(98.7% 0.004 250);
    --line-soft: oklch(91.68% 0.011 182.9);
    --line-strong: oklch(82% 0.026 191);
    --focus-ring: oklch(70.6% 0.1089 186.5 / 0.32);
    --shadow-panel: 0 16px 40px oklch(31.38% 0.0677 244.8 / 0.08);
    --radius-card: 8px;
    --radius-control: 6px;
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
}

* {
    box-sizing: border-box;
}

[hidden] {
    display: none !important;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    background: var(--surface-base);
    color: var(--ink-primary);
    font-family: Catamaran, "Segoe UI", system-ui, sans-serif;
    font-size: 15px;
    letter-spacing: 0;
}

button,
input {
    font: inherit;
}

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

.login-screen {
    display: grid;
    min-height: 100vh;
    place-items: center;
    padding: var(--space-6);
    background: var(--surface-blue);
}

.login-panel {
    display: grid;
    gap: var(--space-5);
    width: min(448px, 100%);
    padding: var(--space-6);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-card);
    background: var(--surface-panel);
    box-shadow: var(--shadow-panel);
}

.login-brand {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: var(--space-4);
}

.login-copy,
.header-copy {
    margin: var(--space-2) 0 0;
    color: var(--ink-secondary);
    line-height: 1.45;
}

.login-form {
    display: grid;
    gap: var(--space-4);
}

.privacy-note {
    display: grid;
    gap: var(--space-1);
    padding-top: var(--space-4);
    border-top: 1px solid var(--line-soft);
    color: var(--ink-secondary);
    font-size: 13px;
    line-height: 1.45;
}

.privacy-note strong {
    color: var(--vidi-green-strong);
}

.app-shell {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    min-height: 100vh;
}

.side-rail {
    position: sticky;
    top: 0;
    align-self: start;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
    min-height: 100vh;
    padding: var(--space-5) var(--space-3);
    border-right: 1px solid var(--line-soft);
    background: var(--surface-panel);
}

.rail-brand {
    display: grid;
    justify-items: center;
    gap: var(--space-2);
    color: var(--vidi-blue-strong);
    text-decoration: none;
    font-size: 12px;
    font-weight: 800;
}

.brand-mark {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    overflow: hidden;
    border: 1px solid oklch(66% 0.08 249 / 0.32);
    border-radius: 8px;
    background: var(--vidi-blue);
}

.brand-mark img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    /* O asset do olho VIDI e arte escura sobre canvas transparente; inverte para branco sobre o azul da shell. */
    filter: invert(1) brightness(1.9);
}

.login-brand .brand-mark {
    width: 52px;
    height: 52px;
}

.rail-nav {
    display: grid;
    gap: var(--space-2);
    width: 100%;
}

.rail-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0 var(--space-2);
    border: 1px solid transparent;
    border-radius: var(--radius-control);
    color: var(--ink-secondary);
    text-decoration: none;
    font-size: 12px;
    font-weight: 800;
    transition: background-color 160ms ease-out, border-color 160ms ease-out, color 160ms ease-out;
}

.rail-link:hover,
.rail-link.active {
    border-color: oklch(60.19% 0.1215 249.3 / 0.2);
    background: var(--surface-blue);
    color: var(--vidi-blue-strong);
}

.workspace {
    display: grid;
    gap: var(--space-6);
    width: min(1180px, calc(100vw - 96px));
    margin: 0 auto;
    padding: var(--space-6);
}

.topbar {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
}

.topbar-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-2);
}

.user-badge {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 0 var(--space-3);
    border: 1px solid var(--line-soft);
    border-radius: 999px;
    background: var(--surface-muted);
    color: var(--ink-secondary);
    font-size: 13px;
    font-weight: 800;
}

.eyebrow,
.panel-heading p,
.metric-label,
.drop-meta,
.field span {
    color: var(--ink-secondary);
}

.eyebrow {
    margin: 0 0 var(--space-1);
    color: var(--vidi-blue-strong);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

h1,
h2 {
    margin: 0;
    line-height: 1.15;
    font-weight: 800;
}

h1 {
    font-size: 28px;
}

h2 {
    font-size: 17px;
}

.run-state,
.file-badge {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 0 var(--space-3);
    border: 1px solid var(--line-soft);
    border-radius: 999px;
    background: var(--surface-panel);
    color: var(--ink-secondary);
    font-size: 13px;
    font-weight: 800;
    white-space: nowrap;
}

.run-state::before {
    width: 8px;
    height: 8px;
    margin-right: var(--space-2);
    border-radius: 999px;
    background: var(--ink-tertiary);
    content: "";
}

.run-state.running {
    border-color: oklch(70.6% 0.1089 186.5 / 0.32);
    color: var(--vidi-green-strong);
}

.run-state.running::before {
    background: var(--vidi-green);
}

.run-state.error {
    border-color: oklch(62.4% 0.2022 23.1 / 0.28);
    color: var(--vidi-red-strong);
}

.run-state.error::before {
    background: var(--vidi-red);
}

.privacy-strip,
.protocol-strip,
.metric-card,
.panel,
.log-panel {
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-card);
    background: var(--surface-panel);
}

.privacy-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-3);
    padding: var(--space-4);
}

.privacy-strip div {
    display: grid;
    gap: var(--space-1);
    min-width: 0;
}

.privacy-strip strong {
    overflow-wrap: anywhere;
    color: var(--ink-primary);
    font-size: 15px;
}

.protocol-strip {
    display: grid;
    grid-template-columns: auto minmax(24px, 1fr) auto minmax(24px, 1fr) auto;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--surface-muted);
}

.protocol-step {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--ink-tertiary);
    font-weight: 800;
}

.protocol-step.active {
    color: var(--vidi-green-strong);
}

.step-index {
    display: grid;
    width: 26px;
    height: 26px;
    place-items: center;
    border: 1px solid var(--line-soft);
    border-radius: 999px;
    background: var(--surface-panel);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
}

.protocol-step.active .step-index {
    border-color: oklch(70.6% 0.1089 186.5 / 0.32);
    background: oklch(70.6% 0.1089 186.5 / 0.1);
}

.protocol-line {
    height: 1px;
    background: var(--line-soft);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(120px, 1fr));
    gap: var(--space-3);
}

.metric-card {
    display: grid;
    gap: var(--space-2);
    min-height: 88px;
    padding: var(--space-4);
}

.metric-card strong {
    font-family: "Cascadia Mono", Consolas, monospace;
    font-size: 26px;
    font-variant-numeric: tabular-nums;
    line-height: 1;
}

.success {
    color: var(--vidi-green-strong);
}

.danger {
    color: var(--vidi-red-strong);
}

.content-grid {
    display: grid;
    grid-template-columns: minmax(280px, 0.9fr) minmax(380px, 1.1fr);
    gap: var(--space-4);
}

.panel,
.log-panel {
    padding: var(--space-5);
}

.panel-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.panel-heading p {
    margin: var(--space-1) 0 0;
    font-size: 13px;
}

.drop-zone {
    display: grid;
    gap: var(--space-2);
    min-height: 136px;
    padding: var(--space-5);
    border: 1px dashed var(--line-strong);
    border-radius: var(--radius-card);
    background: var(--surface-muted);
    cursor: pointer;
    transition: background-color 160ms ease-out, border-color 160ms ease-out;
}

.drop-zone:hover {
    border-color: oklch(60.19% 0.1215 249.3 / 0.42);
    background: var(--surface-blue);
}

.drop-zone input {
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.drop-title {
    align-self: end;
    color: var(--vidi-blue-strong);
    font-size: 20px;
    font-weight: 800;
}

.drop-meta {
    align-self: start;
    font-size: 13px;
    overflow-wrap: anywhere;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-3);
}

.plan-switch {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.plan-option {
    display: grid;
    gap: var(--space-1);
    min-height: 62px;
    padding: var(--space-3);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-control);
    background: var(--surface-panel);
    color: var(--ink-secondary);
    cursor: pointer;
    text-align: left;
    transition: background-color 160ms ease-out, border-color 160ms ease-out, color 160ms ease-out;
}

.plan-option strong {
    color: var(--ink-primary);
    font-family: "Cascadia Mono", Consolas, monospace;
    font-size: 18px;
    font-variant-numeric: tabular-nums;
}

.plan-option:hover,
.plan-option.active {
    border-color: oklch(60.19% 0.1215 249.3 / 0.3);
    background: var(--surface-blue);
    color: var(--vidi-blue-strong);
}

.plan-option.active strong {
    color: var(--vidi-blue-strong);
}

.field {
    display: grid;
    gap: var(--space-2);
}

.field.wide {
    grid-column: 1 / -1;
}

.field span {
    font-size: 13px;
    font-weight: 800;
}

.field input {
    width: 100%;
    min-height: 40px;
    padding: 0 var(--space-3);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-control);
    background: var(--surface-panel);
    color: var(--ink-primary);
}

.field input::placeholder {
    color: var(--ink-tertiary);
}

.field input:disabled {
    background: var(--surface-muted);
    color: var(--ink-tertiary);
}

.input-action {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-2);
}

.field input:focus,
.check-row input:focus-visible,
.button:focus-visible,
.segment:focus-visible,
.plan-option:focus-visible,
.rail-link:focus-visible,
.rail-brand:focus-visible,
.drop-zone:focus-within {
    outline: 3px solid var(--focus-ring);
    outline-offset: 2px;
}

.segment-group {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-2);
    margin-top: var(--space-4);
}

.segment {
    min-height: 38px;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-control);
    background: var(--surface-panel);
    color: var(--ink-secondary);
    cursor: pointer;
    font-weight: 800;
    transition: background-color 160ms ease-out, border-color 160ms ease-out, color 160ms ease-out;
}

.segment:hover,
.segment.active {
    border-color: oklch(70.6% 0.1089 186.5 / 0.3);
    background: oklch(70.6% 0.1089 186.5 / 0.1);
    color: var(--vidi-green-strong);
}

.check-row {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-4);
    color: var(--ink-secondary);
    font-weight: 800;
}

.check-row input {
    width: 18px;
    height: 18px;
    accent-color: var(--vidi-green);
}

.test-box {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: var(--space-2);
    margin-top: var(--space-4);
}

.advanced-options {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--line-soft);
}

.advanced-options summary {
    width: max-content;
    max-width: 100%;
    cursor: pointer;
    color: var(--ink-secondary);
    font-weight: 800;
}

.advanced-options[open] summary {
    margin-bottom: var(--space-4);
    color: var(--vidi-blue-strong);
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-5);
}

.status-message {
    min-height: 20px;
    margin: var(--space-3) 0 0;
    color: var(--ink-secondary);
    font-size: 13px;
    font-weight: 800;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 var(--space-4);
    border: 1px solid transparent;
    border-radius: var(--radius-control);
    text-decoration: none;
    cursor: pointer;
    font-weight: 800;
    transition: background-color 160ms ease-out, border-color 160ms ease-out, color 160ms ease-out, transform 160ms ease-out;
}

.button:hover {
    transform: translateY(-1px);
}

.button.compact {
    min-height: 32px;
    padding: 0 var(--space-3);
    font-size: 13px;
}

.button:disabled,
.button[aria-busy="true"] {
    cursor: not-allowed;
    opacity: 0.58;
    transform: none;
}

.button.primary {
    background: var(--vidi-blue);
    color: var(--ink-on-accent);
}

.button.primary:hover {
    background: var(--vidi-blue-strong);
}

.button.secondary,
.button.ghost {
    border-color: var(--line-soft);
    background: var(--surface-panel);
    color: var(--ink-primary);
}

.button.secondary:hover,
.button.ghost:hover {
    border-color: var(--line-strong);
    background: var(--surface-muted);
}

.button.danger {
    background: var(--vidi-red);
    color: var(--ink-on-accent);
}

.button.danger:hover {
    background: var(--vidi-red-strong);
}

.log-panel {
    display: grid;
    min-height: 300px;
}

#logOutput {
    overflow: auto;
    min-height: 220px;
    max-height: 360px;
    margin: 0;
    padding: var(--space-4);
    border: 1px solid oklch(31.38% 0.0677 244.8 / 0.28);
    border-radius: var(--radius-card);
    background: var(--vidi-blue-strong);
    color: oklch(95.8% 0.008 185);
    font-family: "Cascadia Mono", Consolas, monospace;
    font-size: 12px;
    line-height: 1.55;
    white-space: pre-wrap;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 1ms !important;
    }
}

@media (max-width: 980px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .side-rail {
        position: sticky;
        top: 0;
        z-index: 2;
        flex-direction: row;
        justify-content: space-between;
        min-height: auto;
        padding: var(--space-3) var(--space-4);
    }

    .rail-brand {
        grid-auto-flow: column;
        align-items: center;
    }

    .rail-nav {
        grid-auto-flow: column;
        width: auto;
    }

    .workspace {
        width: 100%;
        padding: var(--space-4);
    }

    .content-grid,
    .metrics-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 680px) {
    .topbar,
    .panel-heading {
        align-items: stretch;
        flex-direction: column;
    }

    .topbar-actions {
        justify-content: flex-start;
    }

    .privacy-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .protocol-strip {
        grid-template-columns: 1fr;
    }

    .protocol-line {
        display: none;
    }

    .form-grid,
    .segment-group,
    .test-box,
    .plan-switch,
    .input-action {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 460px) {
    .login-screen,
    .workspace {
        padding: var(--space-3);
    }

    .login-panel,
    .panel,
    .log-panel {
        padding: var(--space-4);
    }

    .login-brand {
        grid-template-columns: 1fr;
    }

    .privacy-strip {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 24px;
    }

    .actions .button {
        width: 100%;
    }
}