/* ===== Design tokens ===== */
:root {
    --font-sans: "Inter", "Helvetica Neue", Arial, sans-serif;
    --color-bg: #f7f8fb;
    --color-surface: #ffffff;
    --color-surface-muted: #f3f4f6;
    --color-border: #e5e7eb;
    --color-text: #111827;
    --color-muted: #6b7280;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-ring: rgba(37, 99, 235, 0.35);
    --color-panel: #0b1223;
    --color-panel-border: #1f2a44;
    --color-panel-input: #1e293b;
    --color-panel-text: #f8fafc;
    --color-panel-muted: #cbd5e1;
    --color-panel-ghost: #1e293b;
    --radius-sm: 8px;
    --radius-md: 12px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 12px 24px rgba(15, 23, 42, 0.08);
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;
    --space-7: 40px;
}

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

.reports-page {
    background: var(--color-surface);
}

.reports-header h1 {
    margin: 0 0 var(--space-4);
    font-size: 28px;
}

.reports-header {
    margin-bottom: var(--space-5);
}

.subtitle {
    margin: 0 0 var(--space-4);
    color: var(--color-muted);
}

.filters {
    background: var(--color-panel);
    color: var(--color-panel-text);
    border-radius: var(--radius-md);
    padding: var(--space-5);
    padding-bottom: var(--space-7);
    margin-bottom: var(--space-5);
    border: 1px solid var(--color-panel-border);
    box-shadow: var(--shadow-md);
    --control-h: 44px;
}

.filter-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(180px, 1fr));
    gap: var(--space-4);
    align-items: end;
}

@media (max-width: 960px) {
    .filter-row {
        grid-template-columns: repeat(2, minmax(180px, 1fr));
    }
}

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

.filter-item span,
.filter-item label,
.tags-filter span {
    display: block;
    font-size: 12px;
    color: var(--color-panel-muted);
    margin-bottom: var(--space-2);
}

.filters select,
.filters input[type="text"],
.filters .button.ghost,
.filters .button.primary {
    width: 100%;
    min-height: var(--control-h);
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-panel-border);
    background: var(--color-panel-input);
    color: var(--color-panel-text);
}

.filters .button.primary,
.filters .button.ghost {
    font-size: 14px;
}

.filters input[type="text"]::placeholder {
    color: #94a3b8;
}

.filters select:focus-visible,
.filters input[type="text"]:focus-visible,
.button:focus-visible {
    outline: 3px solid var(--color-ring);
    outline-offset: 2px;
}

.search-control {
    position: relative;
    display: block;
}

.search-control .search-input {
    padding-right: 48px;
}

.search-button {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 34px;
    height: 34px;
    border-radius: 10px;
    border: 1px solid transparent;
    background: transparent;
    padding: 0;
    appearance: none;
    -webkit-appearance: none;
    color: var(--color-panel-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.search-button svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

.search-button:hover {
    background: #16213a;
    color: var(--color-panel-text);
    border-color: #334155;
}

.search-button:focus-visible {
    outline: 3px solid var(--color-ring);
    outline-offset: 2px;
}

.button {
    display: inline-block;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 500;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    background: var(--color-surface);
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease,
        color 0.15s ease, border-color 0.15s ease;
}

.button.primary {
    background: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.25);
}

.button.ghost {
    background: var(--color-panel-ghost);
    color: var(--color-panel-text);
    border-color: #334155;
}

.button.full-width {
    width: 100%;
}

.button:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

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

.button.ghost:hover {
    background: #16213a;
}

.tags-filter {
    position: relative;
}

.tags-filter .tag-chips {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: var(--space-1);
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
}

.meta {
    color: var(--color-muted);
    font-size: 13px;
}

.meta-vertical {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.report-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-4);
}

.report-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    background: var(--color-surface);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    box-shadow: var(--shadow-sm);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.report-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.report-card-header {
    display: flex;
    justify-content: space-between;
    gap: var(--space-2);
    align-items: center;
}

.report-card h3 {
    margin: 0;
    font-size: 18px;
}

.project-pill {
    background: var(--color-surface-muted);
    color: var(--color-muted);
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
}

.desc {
    color: var(--color-muted);
    margin: 0;
    min-height: 48px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.tag-chip {
    background: var(--color-surface-muted);
    color: var(--color-muted);
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
}

.tag-chip.muted {
    background: #eef2f7;
    color: var(--color-muted);
}

.card-actions {
    margin-top: auto;
}

.report-card .button.primary {
    width: 100%;
    text-align: center;
}

.empty-state {
    text-align: center;
    padding: var(--space-6);
    color: var(--color-muted);
}

.report-form {
    margin-top: 16px;
}

.report-form .button.primary {
    margin-top: 16px;
    min-width: 240px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 24px;
}

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

.report-form label {
    font-weight: 600;
    display: block;
    margin-bottom: 4px;
}

.report-form input,
.report-form select,
.report-form textarea {
    width: 100%;
    padding: 8px 10px;
    border-radius: 8px;
    border: 1px solid #cbd5e1;
}

.help {
    margin: 4px 0 0;
    color: #64748b;
    font-size: 13px;
}

.error {
    color: #dc2626;
    margin: 4px 0 0;
    font-size: 13px;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.35);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--color-surface);
    color: var(--color-text);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    width: min(520px, 90vw);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.modal-body {
    max-height: 320px;
    overflow-y: auto;
    display: grid;
    gap: 6px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 12px;
}

.close-modal {
    background: none;
    border: none;
    color: var(--color-muted);
    font-size: 20px;
    cursor: pointer;
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
}