/* BirdBot Studio AI Design Foundation */

:root {
    /* Typography */
    --bb-font-family-base: "Segoe UI", "Inter", "Helvetica Neue", Arial, sans-serif;
    --bb-font-family-ui: "Segoe UI", "Inter", "Helvetica Neue", Arial, sans-serif;

    --bb-font-size-page-title: 1.75rem;
    --bb-font-size-hero-title: clamp(2.25rem, 2.8vw + 1rem, 4rem);
    --bb-font-size-section-header: 1.375rem;
    --bb-font-size-card-title: 1.125rem;
    --bb-font-size-body: 1rem;
    --bb-font-size-control: 0.9375rem;
    --bb-font-size-label: 0.875rem;
    --bb-font-size-supporting: 0.8125rem;
    --bb-font-size-caption: var(--bb-font-size-supporting);
    --bb-font-size-status: 0.8125rem;

    --bb-font-weight-regular: 400;
    --bb-font-weight-medium: 500;
    --bb-font-weight-semibold: 600;
    --bb-font-weight-bold: 700;
    --bb-font-weight-heavy: 800;

    --bb-line-height-tight: 1.2;
    --bb-line-height-body: 1.5;
    --bb-line-height-supporting: 1.45;
    --bb-line-height-control: 1.4;

    /* Color Palette */
    --bb-color-primary-900: #103728;
    --bb-color-primary-700: #1f5e3a;
    --bb-color-primary-600: #2e7d32;
    --bb-color-primary-500: #3a8f45;
    --bb-color-primary-100: #eaf5ec;

    --bb-color-secondary-800: #1f3448;
    --bb-color-secondary-700: #2b455f;
    --bb-color-secondary-100: #edf3f7;

    --bb-color-accent-600: #1570ef;
    --bb-color-accent-100: #e8f1ff;

    --bb-color-success-bg: #e9f7ef;
    --bb-color-success-fg: #15653b;
    --bb-color-warning-bg: #fff6de;
    --bb-color-warning-fg: #8f6200;
    --bb-color-error-bg: #fdecec;
    --bb-color-error-fg: #a32020;
    --bb-color-error-strong: #851919;
    --bb-color-info-bg: #eaf3ff;
    --bb-color-info-fg: #1b5fc6;
    --bb-color-inactive-bg: #edf1f4;
    --bb-color-inactive-fg: #667684;

    --bb-color-neutral-0: #ffffff;
    --bb-color-neutral-25: #fbfcfd;
    --bb-color-neutral-50: #f6f8fa;
    --bb-color-neutral-100: #edf1f4;
    --bb-color-neutral-200: #d8e0e7;
    --bb-color-neutral-300: #c6d0d9;
    --bb-color-neutral-500: #667684;
    --bb-color-neutral-700: #304050;
    --bb-color-neutral-900: #152331;

    /* Spacing */
    --bb-space-1: 4px;
    --bb-space-2: 8px;
    --bb-space-3: 12px;
    --bb-space-4: 16px;
    --bb-space-5: 20px;
    --bb-space-6: 24px;
    --bb-space-7: 32px;
    --bb-space-8: 40px;
    --bb-space-9: 56px;
    --bb-space-10: 72px;

    --bb-gap-page-section: var(--bb-space-6);
    --bb-gap-field: var(--bb-space-3);
    --bb-gap-label-control: var(--bb-space-2);
    --bb-gap-actions: var(--bb-space-3);
    --bb-card-padding: var(--bb-space-6);

    --bb-radius-sm: 8px;
    --bb-radius-md: 12px;
    --bb-radius-lg: 16px;
    --bb-radius-xl: 22px;
    --bb-radius-operational: 10px;

    --bb-control-height: 44px;

    --bb-shadow-xs: 0 1px 3px rgba(21, 35, 49, 0.08);
    --bb-shadow-sm: 0 4px 10px rgba(21, 35, 49, 0.08);
    --bb-shadow-md: 0 10px 24px rgba(21, 35, 49, 0.10);
    --bb-shadow-lg: 0 18px 34px rgba(21, 35, 49, 0.14);

    --bb-focus-ring: 0 0 0 3px rgba(21, 112, 239, 0.35);
}

.bb-page {
    font-family: var(--bb-font-family-base);
    color: var(--bb-color-neutral-900);
    background: var(--bb-color-neutral-50);
}

.bb-container {
    width: min(1320px, 100% - 2 * var(--bb-space-6));
    margin-inline: auto;
}

.bb-section {
    margin-block: var(--bb-space-8);
}

.bb-grid {
    display: grid;
    gap: var(--bb-space-6);
}

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

.bb-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.bb-hero {
    border-radius: var(--bb-radius-xl);
    border: 1px solid var(--bb-color-neutral-200);
    background: linear-gradient(180deg, #edf8f1 0%, #f7fbf8 56%, #ffffff 100%);
    box-shadow: var(--bb-shadow-md);
    padding: var(--bb-space-10) var(--bb-space-8);
}

.bb-page-title {
    margin: 0;
    font-size: var(--bb-font-size-page-title);
    line-height: var(--bb-line-height-tight);
    font-weight: var(--bb-font-weight-heavy);
    letter-spacing: -0.02em;
    color: var(--bb-color-primary-900);
}

.bb-hero-title {
    margin: 0;
    font-size: var(--bb-font-size-hero-title);
    line-height: 1.05;
    font-weight: var(--bb-font-weight-heavy);
    letter-spacing: -0.02em;
    color: var(--bb-color-primary-900);
}

.bb-section-header {
    margin: 0;
    font-size: var(--bb-font-size-section-header);
    line-height: 1.25;
    font-weight: var(--bb-font-weight-bold);
    color: var(--bb-color-secondary-800);
}

.bb-card {
    background: var(--bb-color-neutral-0);
    border: 1px solid var(--bb-color-neutral-200);
    border-radius: var(--bb-radius-lg);
    box-shadow: var(--bb-shadow-sm);
    overflow: hidden;
}

.bb-card-header {
    padding: var(--bb-space-6) var(--bb-space-6) var(--bb-space-3);
}

.bb-card-title {
    margin: 0;
    font-size: var(--bb-font-size-card-title);
    line-height: 1.3;
    font-weight: var(--bb-font-weight-bold);
    color: var(--bb-color-secondary-800);
}

.bb-card-body {
    padding: var(--bb-space-3) var(--bb-space-6) var(--bb-space-6);
    font-size: var(--bb-font-size-body);
    line-height: var(--bb-line-height-body);
    color: var(--bb-color-neutral-700);
}

.bb-body {
    font-size: var(--bb-font-size-body);
    line-height: var(--bb-line-height-body);
    color: var(--bb-color-neutral-700);
}

.bb-supporting-text {
    font-size: var(--bb-font-size-supporting);
    line-height: var(--bb-line-height-supporting);
    color: var(--bb-color-neutral-500);
}

.bb-card-footer {
    border-top: 1px solid var(--bb-color-neutral-100);
    padding: var(--bb-space-4) var(--bb-space-6);
    background: var(--bb-color-neutral-25);
}

.bb-button,
.bb-button-primary,
.bb-button-secondary,
.bb-button-danger,
.bb-button-outline,
.bb-button-low-emphasis {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    gap: var(--bb-space-2);
    min-height: var(--bb-control-height);
    padding: 0 var(--bb-space-5);
    border-radius: var(--bb-radius-sm);
    border: 1px solid transparent;
    font-family: var(--bb-font-family-ui);
    font-size: var(--bb-font-size-control);
    font-weight: var(--bb-font-weight-semibold);
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.bb-button-primary {
    background: var(--bb-color-primary-600);
    color: #ffffff;
    border-color: var(--bb-color-primary-600);
}

.bb-button-primary:hover {
    background: var(--bb-color-primary-700);
    border-color: var(--bb-color-primary-700);
}

.bb-button-secondary {
    background: var(--bb-color-secondary-100);
    color: var(--bb-color-secondary-800);
    border-color: var(--bb-color-neutral-200);
}

.bb-button-secondary:hover {
    background: #e5edf3;
}

.bb-button-danger {
    background: var(--bb-color-error-fg);
    color: #ffffff;
    border-color: var(--bb-color-error-fg);
}

.bb-button-danger:hover {
    background: var(--bb-color-error-strong);
    border-color: var(--bb-color-error-strong);
}

.bb-button-outline,
.bb-button-low-emphasis {
    background: #ffffff;
    color: var(--bb-color-secondary-800);
    border-color: var(--bb-color-neutral-300);
}

.bb-button-outline:hover,
.bb-button-low-emphasis:hover {
    background: var(--bb-color-neutral-50);
}

.bb-button:focus-visible,
.bb-button-primary:focus-visible,
.bb-button-secondary:focus-visible,
.bb-button-danger:focus-visible,
.bb-button-outline:focus-visible,
.bb-button-low-emphasis:focus-visible,
.bb-icon-button:focus-visible,
.bb-input:focus-visible,
.bb-select:focus-visible,
.bb-textarea:focus-visible,
.bb-checkbox:focus-visible,
.bb-radio:focus-visible {
    outline: none;
    box-shadow: var(--bb-focus-ring);
}

.bb-button-disabled,
.bb-button:disabled,
.bb-button-primary:disabled,
.bb-button-secondary:disabled,
.bb-button-danger:disabled,
.bb-button-outline:disabled,
.bb-button-low-emphasis:disabled {
    opacity: 1;
    background: var(--bb-color-inactive-bg);
    color: var(--bb-color-inactive-fg);
    border-color: var(--bb-color-neutral-200);
    cursor: not-allowed;
    pointer-events: none;
}

.bb-icon-button {
    width: var(--bb-control-height);
    height: var(--bb-control-height);
    border-radius: var(--bb-radius-sm);
    border: 1px solid var(--bb-color-neutral-300);
    background: #ffffff;
    color: var(--bb-color-secondary-800);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.bb-label {
    display: inline-block;
    margin-bottom: var(--bb-space-2);
    font-size: var(--bb-font-size-label);
    font-weight: var(--bb-font-weight-semibold);
    color: var(--bb-color-secondary-800);
}

.bb-input,
.bb-select,
.bb-textarea {
    width: 100%;
    border: 1px solid var(--bb-color-neutral-300);
    border-radius: var(--bb-radius-sm);
    background: #ffffff;
    color: var(--bb-color-neutral-900);
    font-family: var(--bb-font-family-ui);
    font-size: var(--bb-font-size-control);
    line-height: var(--bb-line-height-control);
    box-sizing: border-box;
}

.bb-input,
.bb-select {
    height: var(--bb-control-height);
    padding: 0 var(--bb-space-3);
}

.bb-textarea {
    min-height: 120px;
    padding: 10px var(--bb-space-3);
    resize: vertical;
}

.bb-input:disabled,
.bb-select:disabled,
.bb-textarea:disabled {
    background: var(--bb-color-neutral-50);
    color: var(--bb-color-neutral-500);
    cursor: not-allowed;
}

.bb-choice-row {
    display: flex;
    align-items: center;
    gap: var(--bb-space-2);
    min-height: var(--bb-control-height);
}

.bb-checkbox,
.bb-radio {
    width: 18px;
    height: 18px;
    margin: 0;
    accent-color: var(--bb-color-primary-600);
}

.bb-field-stack {
    display: grid;
    gap: var(--bb-gap-label-control);
}

.bb-form-stack {
    display: grid;
    gap: var(--bb-gap-field);
}

.bb-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--bb-gap-actions);
}

.bb-validation-error {
    margin-top: var(--bb-space-2);
    color: var(--bb-color-error-fg);
    font-size: 0.82rem;
    font-weight: var(--bb-font-weight-medium);
}

.bb-table {
    width: 100%;
    border-collapse: collapse;
    border-spacing: 0;
    background: #ffffff;
    border: 1px solid var(--bb-color-neutral-200);
    border-radius: var(--bb-radius-md);
    overflow: hidden;
}

.bb-table thead th {
    text-align: left;
    background: var(--bb-color-neutral-50);
    color: var(--bb-color-secondary-800);
    font-size: 0.84rem;
    font-weight: var(--bb-font-weight-bold);
    letter-spacing: 0.03em;
    text-transform: uppercase;
    padding: var(--bb-space-3) var(--bb-space-4);
    border-bottom: 1px solid var(--bb-color-neutral-200);
}

.bb-table tbody td {
    padding: var(--bb-space-3) var(--bb-space-4);
    border-bottom: 1px solid var(--bb-color-neutral-100);
    color: var(--bb-color-neutral-700);
    font-size: 0.93rem;
}

.bb-table tbody tr:nth-child(even) {
    background: var(--bb-color-neutral-25);
}

.bb-table tbody tr:hover {
    background: #eef4f9;
}

.bb-status,
.bb-status-success,
.bb-status-warning,
.bb-status-error,
.bb-status-info,
.bb-status-running,
.bb-status-ready,
.bb-status-complete,
.bb-status-attention,
.bb-status-failed,
.bb-status-inactive {
    display: inline-flex;
    align-items: center;
    padding: 4px 9px;
    border-radius: 999px;
    font-size: var(--bb-font-size-status);
    font-weight: var(--bb-font-weight-bold);
    line-height: 1.1;
    letter-spacing: 0;
}

.bb-status-success,
.bb-status-ready,
.bb-status-complete {
    background: var(--bb-color-success-bg);
    color: var(--bb-color-success-fg);
}

.bb-status-warning,
.bb-status-attention {
    background: var(--bb-color-warning-bg);
    color: var(--bb-color-warning-fg);
}

.bb-status-error,
.bb-status-failed {
    background: var(--bb-color-error-bg);
    color: var(--bb-color-error-fg);
}

.bb-status-info,
.bb-status-running {
    background: var(--bb-color-info-bg);
    color: var(--bb-color-info-fg);
}

.bb-status-inactive {
    background: var(--bb-color-inactive-bg);
    color: var(--bb-color-inactive-fg);
}

.bb-workflow-timeline {
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
    padding: var(--bb-space-4) var(--bb-space-6);
    background: var(--bb-color-neutral-0);
    border: 1px solid var(--bb-color-neutral-200);
    border-radius: var(--bb-radius-operational);
}

.bb-workflow-timeline .details-title {
    margin: 0 0 var(--bb-space-3);
    font-size: var(--bb-font-size-section-header);
    line-height: 1.25;
    font-weight: var(--bb-font-weight-bold);
    color: var(--bb-color-secondary-800);
}

.bb-workflow-timeline .workflow-steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    align-items: start;
    width: 100%;
    min-width: 0;
}

.bb-workflow-timeline .workflow-step {
    display: grid;
    grid-template-rows: auto auto;
    align-items: center;
    justify-items: center;
    gap: var(--bb-space-2);
    position: relative;
    min-width: 0;
    text-align: center;
}

.bb-workflow-timeline .workflow-step:not(:last-child)::after {
    content: "";
    position: absolute;
    z-index: 0;
    top: 12px;
    left: calc(50% + 15px);
    width: calc(100% - 30px);
    height: 2px;
    background: var(--bb-color-neutral-300);
}

.bb-workflow-timeline .workflow-step.completed:not(:last-child)::after {
    background: var(--bb-color-success-fg);
}

.bb-workflow-timeline .step-dot {
    position: relative;
    z-index: 1;
    width: 24px;
    height: 24px;
    border-radius: 999px;
    border: 1px solid var(--bb-color-neutral-300);
    background: var(--bb-color-neutral-50);
    color: var(--bb-color-inactive-fg);
    font-size: 12px;
    font-weight: var(--bb-font-weight-bold);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.bb-workflow-timeline .workflow-step.completed .step-dot {
    border-color: var(--bb-color-success-fg);
    background: var(--bb-color-success-fg);
    color: var(--bb-color-neutral-0);
}

.bb-workflow-timeline .workflow-step.current .step-dot {
    border-color: var(--bb-color-info-fg);
    background: var(--bb-color-info-fg);
    color: var(--bb-color-neutral-0);
    box-shadow: 0 0 0 5px rgba(27, 95, 198, 0.14);
}

.bb-workflow-timeline .workflow-step.failed .step-dot {
    border-color: var(--bb-color-error-fg);
    background: var(--bb-color-error-fg);
    color: var(--bb-color-neutral-0);
}

.bb-workflow-timeline .step-label {
    max-width: 100%;
    font-size: var(--bb-font-size-status);
    line-height: var(--bb-line-height-supporting);
    color: var(--bb-color-inactive-fg);
    font-weight: var(--bb-font-weight-medium);
    overflow-wrap: anywhere;
}

.bb-workflow-timeline .workflow-step.current .step-label {
    color: var(--bb-color-info-fg);
    font-weight: var(--bb-font-weight-bold);
}

.bb-workflow-timeline .workflow-step.completed .step-label {
    color: var(--bb-color-success-fg);
    font-weight: var(--bb-font-weight-semibold);
}

.bb-workflow-timeline .workflow-step.failed .step-label {
    color: var(--bb-color-error-fg);
    font-weight: var(--bb-font-weight-bold);
}

.bb-workflow-timeline .workflow-step.not-reached .step-label,
.bb-workflow-timeline .workflow-step.future .step-label {
    color: var(--bb-color-inactive-fg);
}

.bb-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.1em;
    height: 1.1em;
    vertical-align: middle;
}

.bb-icon-left {
    margin-right: var(--bb-space-2);
}

.bb-nav-group {
    margin-top: var(--bb-space-5);
}

.bb-nav-heading {
    margin: 0 0 var(--bb-space-2);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--bb-color-neutral-500);
    font-weight: var(--bb-font-weight-bold);
}

.bb-nav-section {
    margin-top: var(--bb-space-4);
    margin-bottom: var(--bb-space-2);
}

.bb-nav-item {
    display: block;
}

.bb-nav-active {
    position: relative;
}

.bb-nav-active::before {
    content: "";
    position: absolute;
    left: 6px;
    top: 8px;
    bottom: 8px;
    width: 3px;
    border-radius: 999px;
    background: var(--bb-color-primary-600);
}

.bb-page-header {
    display: grid;
    gap: var(--bb-space-3);
    margin-bottom: var(--bb-space-6);
}

.bb-page-header-main {
    display: grid;
    gap: var(--bb-space-2);
}

.bb-page-description {
    margin: 0;
    max-width: 72ch;
    color: var(--bb-color-neutral-500);
    font-size: 0.98rem;
    line-height: 1.55;
}

.bb-breadcrumbs {
    display: inline-flex;
    align-items: center;
    gap: var(--bb-space-2);
    color: var(--bb-color-neutral-500);
    font-size: 0.84rem;
    flex-wrap: wrap;
}

.bb-breadcrumb-link {
    color: var(--bb-color-secondary-700);
    text-decoration: none;
    font-weight: var(--bb-font-weight-medium);
}

.bb-breadcrumb-link:hover {
    text-decoration: underline;
}

.bb-breadcrumb-separator {
    color: var(--bb-color-neutral-300);
    font-weight: var(--bb-font-weight-bold);
}

.bb-breadcrumb-node {
    color: var(--bb-color-neutral-500);
}

.bb-breadcrumb-current {
    color: var(--bb-color-secondary-800);
    font-weight: var(--bb-font-weight-semibold);
}

.bb-dialog {
    width: min(560px, calc(100vw - 2 * var(--bb-space-6)));
    background: #ffffff;
    border: 1px solid var(--bb-color-neutral-200);
    border-radius: var(--bb-radius-lg);
    box-shadow: var(--bb-shadow-lg);
}

.bb-dialog-header,
.bb-dialog-body,
.bb-dialog-footer {
    padding: var(--bb-space-5) var(--bb-space-6);
}

.bb-dialog-header {
    border-bottom: 1px solid var(--bb-color-neutral-100);
}

.bb-dialog-footer {
    border-top: 1px solid var(--bb-color-neutral-100);
    display: flex;
    justify-content: flex-end;
    gap: var(--bb-space-3);
}

.bb-notification,
.bb-notification-success,
.bb-notification-warning,
.bb-notification-error,
.bb-notification-info {
    border-radius: var(--bb-radius-md);
    border: 1px solid transparent;
    padding: var(--bb-space-4) var(--bb-space-5);
    font-size: 0.93rem;
    line-height: 1.5;
}

.bb-notification-success {
    background: var(--bb-color-success-bg);
    color: var(--bb-color-success-fg);
    border-color: #cdecd9;
}

.bb-notification-warning {
    background: var(--bb-color-warning-bg);
    color: var(--bb-color-warning-fg);
    border-color: #f7e4a8;
}

.bb-notification-error {
    background: var(--bb-color-error-bg);
    color: var(--bb-color-error-fg);
    border-color: #f5c6c6;
}

.bb-notification-info {
    background: var(--bb-color-info-bg);
    color: var(--bb-color-info-fg);
    border-color: #c6dcff;
}

.bb-loading {
    display: inline-flex;
    align-items: center;
    gap: var(--bb-space-2);
    color: var(--bb-color-neutral-500);
    font-size: 0.9rem;
}

.bb-spinner {
    width: 16px;
    height: 16px;
    border-radius: 999px;
    border: 2px solid var(--bb-color-neutral-200);
    border-top-color: var(--bb-color-primary-600);
    animation: bb-spin 0.9s linear infinite;
}

.bb-progress {
    width: 100%;
    height: 8px;
    border-radius: 999px;
    background: var(--bb-color-neutral-100);
    overflow: hidden;
}

.bb-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--bb-color-primary-600) 0%, var(--bb-color-primary-500) 100%);
}

.bb-footer {
    margin-top: var(--bb-space-8);
    padding-top: var(--bb-space-5);
    border-top: 1px solid var(--bb-color-neutral-200);
    color: var(--bb-color-neutral-500);
    text-align: center;
}

@keyframes bb-spin {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 1024px) {
    .bb-container {
        width: min(100%, calc(100% - 2 * var(--bb-space-5)));
    }

    .bb-grid-3 {
        grid-template-columns: 1fr;
    }

    .bb-grid-2 {
        grid-template-columns: 1fr;
    }

    .bb-hero {
        padding: var(--bb-space-9) var(--bb-space-6);
    }
}

@media (max-width: 640px) {
    .bb-container {
        width: min(100%, calc(100% - 2 * var(--bb-space-4)));
    }

    .bb-section {
        margin-block: var(--bb-space-6);
    }

    .bb-hero {
        padding: var(--bb-space-8) var(--bb-space-5);
    }

    .bb-workflow-timeline {
        padding: var(--bb-space-4) var(--bb-space-3);
    }

    .bb-workflow-timeline .details-title {
        font-size: var(--bb-font-size-card-title);
    }

    .bb-workflow-timeline .workflow-step {
        gap: var(--bb-space-1);
    }

    .bb-workflow-timeline .step-label {
        font-size: var(--bb-font-size-status);
    }
}