/* ── Big Tech Accounting — Design System ── */

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #f5f5f5;
    --bg-card: #ffffff;
    --bg-sidebar: #1a1a2e;
    --bg-sidebar-hover: #16213e;
    --bg-input: #ffffff;

    --text: #1a1a1a;
    --text-secondary: #6b7280;
    --text-sidebar: #e0e0e0;
    --text-sidebar-active: #ffffff;

    --border: #e5e7eb;
    --border-focus: #4361ee;

    --primary: #4361ee;
    --primary-hover: #3a56d4;
    --danger: #dc2626;
    --danger-hover: #b91c1c;

    --positive: #059669;
    --success: #059669;
    --negative: #dc2626;
    --attention: #f59e0b;

    --radius: 6px;
    --radius-lg: 10px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1);

    --sidebar-width: 220px;
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', monospace;
}

html { font-size: 15px; }

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.5;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
    font-family: var(--font-mono);
    font-size: 0.85em;
    background: #f3f4f6;
    padding: 2px 5px;
    border-radius: 3px;
}

/* ── Layout ── */

.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    color: var(--text-sidebar);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 10;
}

.sidebar-header {
    padding: 24px 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-header h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.02em;
}

.sidebar-subtitle {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.45);
    font-weight: 400;
}

.nav-links {
    list-style: none;
    flex: 1;
    padding: 8px 0;
}

.nav-links a {
    display: block;
    padding: 10px 20px;
    color: var(--text-sidebar);
    font-size: 0.9rem;
    text-decoration: none;
    transition: background 0.15s;
}

.nav-links a:hover {
    background: var(--bg-sidebar-hover);
    text-decoration: none;
}

.nav-links a.active {
    background: var(--bg-sidebar-hover);
    color: var(--text-sidebar-active);
    font-weight: 600;
    border-left: 3px solid var(--primary);
    padding-left: 17px;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.logout-link {
    color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
    text-decoration: none;
}

.logout-link:hover {
    color: #fff;
    text-decoration: none;
}

.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 32px 40px;
    max-width: 1200px;
}

/* ── Login ── */

.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
}

.login-card {
    background: var(--bg-card);
    padding: 48px 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 380px;
    text-align: center;
}

.login-card h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.login-subtitle {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 0.9rem;
}

/* ── Page Layout ── */

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.page-header h2 {
    font-size: 1.4rem;
    font-weight: 600;
}

.page-count {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

/* ── Cards ── */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
}

.card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.card-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 6px;
}

.card-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.card-link {
    display: inline-block;
    margin-top: 8px;
    font-size: 0.85rem;
}

.card-attention {
    border-color: var(--attention);
}

/* ── Forms ── */

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 4px;
    color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-family: var(--font);
    background: var(--bg-input);
    color: var(--text);
    transition: border-color 0.15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.form-row {
    display: flex;
    gap: 16px;
    align-items: flex-end;
    flex-wrap: wrap;
}

.form-row .form-group {
    flex: 1;
    min-width: 150px;
}

.form-card {
    margin-top: 24px;
}

/* ── Buttons ── */

.btn {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    font-family: var(--font);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s;
    line-height: 1.4;
}

.btn:hover { text-decoration: none; }

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

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

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}
.btn-ghost:hover { background: rgba(0,0,0,0.04); color: var(--text); }
.btn-ghost.active { background: rgba(67,97,238,0.08); color: var(--primary); font-weight: 600; }

.btn-danger { color: var(--danger); }
.btn-danger:hover { background: rgba(220,38,38,0.06); }

.btn-sm { padding: 4px 10px; font-size: 0.8rem; }
.btn-full { width: 100%; justify-content: center; }

/* ── Tables ── */

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.data-table th {
    text-align: left;
    padding: 10px 14px;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    background: #fafafa;
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 10px 14px;
    border-bottom: 1px solid #f3f4f6;
    vertical-align: middle;
}

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

.data-table tbody tr:hover { background: #fafbfc; }

.col-date { width: 100px; white-space: nowrap; }
.col-amount { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.col-account { width: 130px; }
.col-category { width: 200px; }
.col-check { width: 36px; text-align: center; }

.positive { color: var(--positive); }
.negative { color: var(--negative); }

.amount-dir {
    font-size: 0.7rem;
    text-transform: uppercase;
    opacity: 0.6;
    margin-left: 4px;
}

.empty-state {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px !important;
    font-style: italic;
}

/* Report tables */
.section-header td {
    background: #fafafa;
    padding-top: 16px !important;
    border-bottom: 1px solid var(--border);
}

.subtotal-row td {
    border-top: 1px solid var(--border);
    background: #fafafa;
}

.total-row td {
    border-top: 2px solid var(--text);
    font-size: 1rem;
    padding-top: 14px !important;
}

.inactive-row { opacity: 0.5; }

/* ── Inline editing ── */

.inline-select {
    border: 1px solid transparent;
    background: transparent;
    padding: 4px 6px;
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-family: var(--font);
    cursor: pointer;
    width: 100%;
    color: var(--text);
}

.inline-select:hover { border-color: var(--border); }
.inline-select:focus { border-color: var(--border-focus); outline: none; }

.needs-category {
    background: #fef3c7;
    border-color: #fcd34d;
}

.uncategorized { background: #fffbeb; }

/* ── Global form-element normalization ── */
/* Catches bare inputs/selects in tables and cards that aren't already
   wrapped in .form-group or .filter-group */

.data-table td input[type="text"],
.data-table td input[type="number"],
.data-table td input[type="date"],
.data-table td input[type="email"],
.data-table td select,
.data-table td textarea {
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-family: var(--font);
    background: var(--bg-input);
    color: var(--text);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.data-table td input:focus,
.data-table td select:focus,
.data-table td textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.card input[type="text"]:not(.contractor-field),
.card input[type="number"],
.card input[type="date"],
.card input[type="email"],
.card select,
.card textarea {
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-family: var(--font);
    background: var(--bg-input);
    color: var(--text);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.card input:focus,
.card select:focus,
.card textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

/* ── Filters ── */

.filters-bar {
    display: flex;
    gap: 12px;
    align-items: flex-end;
    flex-wrap: wrap;
    margin-bottom: 16px;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.filter-group label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.filter-group input,
.filter-group select {
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-family: var(--font);
    background: var(--bg-input);
}

.filter-group input:focus,
.filter-group select:focus {
    outline: none;
    border-color: var(--border-focus);
}

.filter-checkboxes {
    flex-direction: row;
    align-items: center;
}

.filter-checkboxes label {
    text-transform: none;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ── Bulk Actions ── */

.bulk-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    background: #eef2ff;
    border: 1px solid #c7d2fe;
    border-radius: var(--radius-lg);
    margin-bottom: 12px;
    font-size: 0.9rem;
}

.bulk-bar select {
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-family: var(--font);
}

/* ── Pagination ── */

.pagination {
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: center;
    margin-top: 16px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ── Flash Messages ── */

.flash-messages {
    margin-bottom: 20px;
}

.flash {
    padding: 10px 16px;
    border-radius: var(--radius);
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.flash-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.flash-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.flash-info { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }

/* ── Badges ── */

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-income { background: #ecfdf5; color: #065f46; }
.badge-expense { background: #fef2f2; color: #991b1b; }
.badge-transfer { background: #f3f4f6; color: #6b7280; }
.badge-draft { background: #fef3c7; color: #92400e; }
.badge-sent { background: #dbeafe; color: #1e40af; }
.badge-paid { background: #ecfdf5; color: #065f46; }
.badge-locked { background: #f3f4f6; color: #6b7280; }

.card-highlight {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary), var(--shadow-sm);
}

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

/* ── Invoice ── */

.invoice-detail .invoice-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 24px;
    line-height: 1.7;
    font-size: 0.9rem;
}

.invoice-actions {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.invoice-form .card { margin-bottom: 20px; }

.line-items-table .qty-input,
.line-items-table .rate-input {
    width: 100px;
    padding: 6px 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 0.85rem;
}

.line-amount {
    font-variant-numeric: tabular-nums;
    min-width: 100px;
    text-align: right;
}

/* ── Settings ── */

.settings-links {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 16px;
}

.settings-card {
    text-decoration: none;
    color: var(--text);
    transition: box-shadow 0.15s;
}

.settings-card:hover {
    box-shadow: var(--shadow);
    text-decoration: none;
}

/* ── Reports ── */

.report-links {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.report-options {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.report-navigation {
    display: flex;
    gap: 6px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tax-note {
    margin-top: 20px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* ── Import ── */

.import-section .card { max-width: 600px; }

.import-results { max-width: 600px; }

.results-summary {
    display: grid;
    gap: 8px;
}

.result-item {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    border-bottom: 1px solid #f3f4f6;
}

.result-label { color: var(--text-secondary); }
.result-value { font-weight: 500; }

.error-list {
    margin-top: 8px;
    padding-left: 20px;
    color: var(--negative);
    font-size: 0.85rem;
}

/* ── Utility ── */

.inline-form { display: inline; }

.txn-description { display: block; }
.txn-notes {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 2px;
}

/* ── Responsive ── */

@media (max-width: 768px) {
    .sidebar {
        position: static;
        width: 100%;
    }
    .main-content {
        margin-left: 0;
        padding: 20px;
    }
    .form-row { flex-direction: column; }
    .filters-bar { flex-direction: column; }
    .data-table { font-size: 0.8rem; }
    .data-table th, .data-table td { padding: 8px 10px; }
}