/* =========================================================================
   ProposalChat design tokens
   Everything visual is driven from these variables — change a value here
   and it ripples through the whole app. This is the file to hand PM
   feedback back into.
   ========================================================================= */
:root {
    /* Brand / accent */
    --color-primary: #4f46e5;
    --color-primary-hover: #4338ca;
    --color-primary-soft: #eef2ff;
    /* Neutrals */
    --color-bg: #f7f8fb;
    --color-surface: #ffffff;
    --color-border: #e5e7eb;
    --color-border-soft: #eef0f3;
    --color-text: #111827;
    --color-text-muted: #6b7280;
    --color-text-faint: #9ca3af;
    /* Status */
    --color-success: #059669;
    --color-success-soft: #ecfdf5;
    --color-danger: #dc2626;
    --color-danger-soft: #fef2f2;
    --color-warning: #d97706;
    --color-warning-soft: #fffbeb;
    --color-info: #2563eb;
    --color-info-soft: #eff6ff;
    --color-neutral: #6b7280;
    --color-neutral-soft: #f3f4f6;
    /* Layout */
    --sidebar-width: 240px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
    --shadow-md: 0 4px 12px rgba(16, 24, 40, 0.06);
    --font-sans: "Segoe UI", ui-sans-serif, system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
    margin: 0;
    font-weight: 600;
    letter-spacing: -0.01em;
}

a {
    color: inherit;
    text-decoration: none;
}

/* =========================================================================
   App shell
   ========================================================================= */
.app-shell {
    display: flex;
    min-height: 100vh;
}

.app-sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    padding: 20px 16px;
    position: sticky;
    top: 0;
    height: 100vh;
}

.app-sidebar__brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 8px 24px;
}

.app-sidebar__logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--color-primary);
    color: white;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.app-sidebar__title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
}

.app-sidebar__footer {
    margin-top: auto;
    padding: 12px 8px 4px;
    border-top: 1px solid var(--color-border-soft);
}

.app-sidebar__env {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--color-text-faint);
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--color-text-faint);
}

.status-dot--sample {
    background: var(--color-warning);
}

.app-main {
    flex: 1;
    min-width: 0;
}

.app-content {
    padding: 32px 40px 48px;
    max-width: 1280px;
}

/* =========================================================================
   Sidebar navigation
   ========================================================================= */
.app-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.app-nav__link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 10px;
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    font-size: 14px;
    font-weight: 500;
    transition: background-color 120ms ease, color 120ms ease;
}

    .app-nav__link:hover {
        background: var(--color-neutral-soft);
        color: var(--color-text);
    }

    .app-nav__link.active {
        background: var(--color-primary-soft);
        color: var(--color-primary);
    }

.app-nav__icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* =========================================================================
   Page header
   ========================================================================= */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
}

    .page-header h1 {
        font-size: 22px;
    }

.page-header__subtitle {
    margin: 6px 0 0;
    color: var(--color-text-muted);
    font-size: 14px;
}

/* =========================================================================
   Buttons
   ========================================================================= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    border: 1px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    transition: background-color 120ms ease, border-color 120ms ease;
}

.btn__icon {
    width: 16px;
    height: 16px;
}

.btn--primary {
    background: var(--color-primary);
    color: white;
}

    .btn--primary:hover {
        background: var(--color-primary-hover);
    }

/* =========================================================================
   Toolbar (search + filters)
   ========================================================================= */
.toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 220px;
    max-width: 360px;
}

.search-box__icon {
    position: absolute;
    left: 11px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--color-text-faint);
    pointer-events: none;
}

.search-box input {
    width: 100%;
    padding: 8px 12px 8px 34px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    font-size: 14px;
    color: var(--color-text);
}

    .search-box input:focus,
    .select:focus {
        outline: none;
        border-color: var(--color-primary);
        box-shadow: 0 0 0 3px var(--color-primary-soft);
    }

.select {
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    font-size: 14px;
    color: var(--color-text);
}

.toolbar__count {
    margin-left: auto;
    font-size: 13px;
    color: var(--color-text-faint);
}

/* =========================================================================
   Cards
   ========================================================================= */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.card--empty {
    padding: 40px;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 14px;
}

.card--placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 8px;
    padding: 72px 24px;
    color: var(--color-text-muted);
}

.card--placeholder__icon {
    width: 44px;
    height: 44px;
    color: var(--color-text-faint);
    margin-bottom: 8px;
}

.card--placeholder h2 {
    font-size: 16px;
    color: var(--color-text);
}

.card--placeholder p {
    margin: 0;
    max-width: 360px;
    font-size: 14px;
}

/* =========================================================================
   Data grid
   ========================================================================= */
.grid-card {
    overflow: hidden;
}

.table-scroll {
    overflow-x: auto;
}

.grid-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}

    .grid-table thead th {
        text-align: left;
        padding: 12px 20px;
        font-size: 12px;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.04em;
        color: var(--color-text-faint);
        border-bottom: 1px solid var(--color-border);
        background: var(--color-bg);
        white-space: nowrap;
    }

    .grid-table tbody td {
        padding: 14px 20px;
        border-bottom: 1px solid var(--color-border-soft);
        vertical-align: middle;
    }

    .grid-table tbody tr:last-child td {
        border-bottom: none;
    }

    .grid-table tbody tr:hover {
        background: var(--color-bg);
    }

.grid-table__num {
    text-align: right;
}

.cell-primary {
    font-weight: 600;
    color: var(--color-text);
}

.cell-secondary {
    color: var(--color-text-muted);
    font-size: 12.5px;
    margin-top: 2px;
}

.cell-summary {
    color: var(--color-text-muted);
    max-width: 320px;
}

/* =========================================================================
   Pills / badges
   ========================================================================= */
.pill {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.pill--success {
    background: var(--color-success-soft);
    color: var(--color-success);
}

.pill--danger {
    background: var(--color-danger-soft);
    color: var(--color-danger);
}

.pill--warning {
    background: var(--color-warning-soft);
    color: var(--color-warning);
}

.pill--info {
    background: var(--color-info-soft);
    color: var(--color-info);
}

.pill--neutral {
    background: var(--color-neutral-soft);
    color: var(--color-neutral);
}

/* =========================================================================
   Chips (keywords)
   ========================================================================= */
.chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.chip {
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    background: var(--color-primary-soft);
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
}

.chip--muted {
    background: var(--color-neutral-soft);
    color: var(--color-text-faint);
}

/* =========================================================================
   Confidence meter
   ========================================================================= */
.confidence {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-width: 96px;
}

.confidence__track {
    width: 56px;
    height: 6px;
    border-radius: 999px;
    background: var(--color-neutral-soft);
    overflow: hidden;
}

.confidence__fill {
    height: 100%;
    border-radius: 999px;
    background: var(--color-primary);
}

.confidence__value {
    font-size: 12.5px;
    color: var(--color-text-muted);
    font-variant-numeric: tabular-nums;
}

/* =========================================================================
   Alerts
   ========================================================================= */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    margin-bottom: 16px;
}

.alert--error {
    background: var(--color-danger-soft);
    color: var(--color-danger);
    border: 1px solid rgba(220, 38, 38, 0.15);
}

.alert--success {
    background: var(--color-success-soft);
    color: var(--color-success);
    border: 1px solid rgba(5, 150, 105, 0.15);
}

/* =========================================================================
   Secondary button
   ========================================================================= */
.btn--secondary {
    background: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-text);
}

    .btn--secondary:hover {
        background: var(--color-bg);
    }

/* =========================================================================
   Generic form controls (wizard, and anywhere else a plain field is needed)
   ========================================================================= */
.text-input,
.textarea-input {
    width: 100%;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    font-size: 14px;
    font-family: inherit;
    color: var(--color-text);
}

.textarea-input {
    resize: vertical;
    min-height: 44px;
}

    .text-input:focus,
    .textarea-input:focus {
        outline: none;
        border-color: var(--color-primary);
        box-shadow: 0 0 0 3px var(--color-primary-soft);
    }

    .text-input:disabled,
    .textarea-input:disabled {
        background: var(--color-bg);
        color: var(--color-text-faint);
    }

.select--block {
    width: 100%;
    padding: 9px 12px;
}

/* =========================================================================
   Wizard shell
   ========================================================================= */
.wizard-steps {
    display: flex;
    align-items: center;
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
    max-width: 520px;
}

.wizard-step {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text-faint);
    font-size: 13px;
    font-weight: 600;
}

    .wizard-step:not(:last-child) {
        flex: 1;
    }

        .wizard-step:not(:last-child)::after {
            content: "";
            flex: 1;
            height: 1px;
            background: var(--color-border);
            margin: 0 12px;
        }

.wizard-step__dot {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    border: 1.5px solid var(--color-border);
    color: var(--color-text-faint);
    font-size: 12px;
    flex-shrink: 0;
}

    .wizard-step__dot svg {
        width: 14px;
        height: 14px;
    }

.wizard-step__label {
    white-space: nowrap;
}

.wizard-step--active .wizard-step__dot {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: white;
}

.wizard-step--active .wizard-step__label {
    color: var(--color-text);
}

.wizard-step--done .wizard-step__dot {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.wizard-step--done .wizard-step__label {
    color: var(--color-text-muted);
}

.wizard-body {
    padding: 24px;
    margin-bottom: 16px;
}

.wizard-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 24px;
}

.wizard-actions__spacer {
    flex: 1;
}

.wizard-actions__field {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--color-text-muted);
}

    .wizard-actions__field .select {
        min-width: 160px;
    }

/* =========================================================================
   Step 1: Details form grid
   ========================================================================= */
.form-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
}

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

.form-field__hint {
    font-size: 12px;
    font-weight: 400;
    color: var(--color-text-faint);
}

/* =========================================================================
   Step 2: Content sections
   ========================================================================= */
.section-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.section-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 14px;
    background: var(--color-bg);
    transition: opacity 120ms ease;
}

.section-card--excluded {
    opacity: 0.55;
}

.section-card__header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 10px;
    cursor: pointer;
}

    .section-card__header input[type="checkbox"] {
        width: 16px;
        height: 16px;
        accent-color: var(--color-primary);
    }

.profile-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
}

.profile-list__item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13.5px;
    color: var(--color-text);
    cursor: pointer;
}

    .profile-list__item input[type="checkbox"] {
        accent-color: var(--color-primary);
    }

/* =========================================================================
   Step 3: Review
   ========================================================================= */
.review {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.review__group h3 {
    font-size: 14px;
    margin: 0 0 14px;
    color: var(--color-text);
}

.review__list {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

    .review__list > div {
        display: flex;
        justify-content: space-between;
        gap: 12px;
        font-size: 13.5px;
        border-bottom: 1px solid var(--color-border-soft);
        padding-bottom: 8px;
    }

    .review__list dt {
        color: var(--color-text-muted);
    }

    .review__list dd {
        margin: 0;
        font-weight: 500;
        color: var(--color-text);
        text-align: right;
    }

.review__sections {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

    .review__sections li {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 13.5px;
        color: var(--color-text);
    }

/* =========================================================================
   Step 4: Generated sections
   ========================================================================= */
.generated-sections {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.generated-section {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    background: var(--color-bg);
}

.generated-section__content h1 {
    font-size: 19px;
    margin: 0 0 12px;
}

.generated-section__content h2 {
    font-size: 16px;
    margin: 16px 0 8px;
}

.generated-section__content h3 {
    font-size: 14px;
    margin: 14px 0 6px;
}

.generated-section__content p {
    margin: 0 0 10px;
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-text);
}

.generated-section__content ul {
    margin: 0 0 10px;
    padding-left: 20px;
    font-size: 14px;
    line-height: 1.6;
}

.generated-section__sources {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--color-border-soft);
    font-size: 12px;
    color: var(--color-text-faint);
}

.review__sections-item--excluded {
    color: var(--color-text-faint);
}

/* =========================================================================
   Blazor default error UI (kept, restyled)
   ========================================================================= */
#blazor-error-ui {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    bottom: 0;
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 12px 20px;
    position: fixed;
    width: 100%;
    z-index: 1000;
    font-size: 14px;
}

    #blazor-error-ui .reload {
        color: var(--color-primary);
        font-weight: 600;
        margin-left: 8px;
    }

    #blazor-error-ui .dismiss {
        cursor: pointer;
        float: right;
        color: var(--color-text-faint);
    }

/* =========================================================================
   Responsive
   ========================================================================= */
@media (max-width: 860px) {
    .app-sidebar {
        display: none;
    }

    .app-content {
        padding: 20px;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .review {
        grid-template-columns: 1fr;
    }

    .wizard-step__label {
        display: none;
    }
}