*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --accent: #1a73e8;
    --accent-dark: #1557b0;
    --danger: #d93025;
    --success: #188038;
    --warning: #f9ab00;
    --bg: #f8f9fa;
    --surface: #ffffff;
    --border: #dadce0;
    --text: #202124;
    --text-muted: #5f6368;
    --radius: 6px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    color: var(--text);
    background: var(--bg);
    line-height: 1.5;
}

/* Layout */
.container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }

header {
    background: var(--accent);
    color: #fff;
    padding: 12px 0;
    margin-bottom: 24px;
}
header .container { display: flex; align-items: center; gap: 16px; }
header h1 { font-size: 18px; font-weight: 500; }
header a { color: #fff; text-decoration: none; opacity: .85; font-size: 13px; }
header a:hover { opacity: 1; }

.page-title {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 20px;
    color: var(--text);
}

/* Cards */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
}
thead { background: #f1f3f4; }
th { padding: 10px 12px; text-align: left; font-weight: 500; font-size: 13px; color: var(--text-muted); white-space: nowrap; }
td { padding: 10px 12px; border-top: 1px solid var(--border); vertical-align: middle; }
tbody tr:nth-child(even) { background: #fafafa; }
tbody tr:hover { background: #f0f4ff; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 7px 14px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background .15s, opacity .15s;
    white-space: nowrap;
}
.btn-primary   { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-dark); }
.btn-secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: #f1f3f4; }
.btn-danger    { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { opacity: .88; }
.btn-success   { background: var(--success); color: #fff; border-color: var(--success); }
.btn-success:hover { opacity: .88; }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* Badges */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}
.badge-green  { background: #e6f4ea; color: var(--success); }
.badge-red    { background: #fce8e6; color: var(--danger); }
.badge-yellow { background: #fef7e0; color: #7d5700; }
.badge-grey   { background: #f1f3f4; color: var(--text-muted); }
.badge-blue   { background: #e8f0fe; color: var(--accent-dark); }

/* Forms */
.form-group { margin-bottom: 16px; }
label { display: block; font-weight: 500; margin-bottom: 5px; font-size: 13px; }
input[type=text], input[type=password], input[type=date], input[type=number],
select, textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    color: var(--text);
    background: var(--surface);
    transition: border-color .15s;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(26,115,232,.15);
}
input.error, select.error { border-color: var(--danger); }
.field-error { color: var(--danger); font-size: 12px; margin-top: 3px; }

/* Toggle checkbox */
.toggle { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.toggle input[type=checkbox] { width: 36px; height: 20px; cursor: pointer; accent-color: var(--accent); }

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 13px;
}
.alert-success { background: #e6f4ea; color: var(--success); border: 1px solid #a8d5b5; }
.alert-error   { background: #fce8e6; color: var(--danger); border: 1px solid #f5c6c2; }
.alert-info    { background: #e8f0fe; color: var(--accent-dark); border: 1px solid #b3cdf9; }
.alert-warning { background: #fef7e0; color: #7d5700; border: 1px solid #fdd663; }

/* Filter bar */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}
.filter-bar select, .filter-bar input { width: auto; }

/* Action bar */
.action-bar {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    .hide-mobile { display: none; }
    td, th { padding: 8px; }
    .btn { padding: 6px 10px; }
    .action-bar { flex-direction: column; }
    .action-bar .btn { width: 100%; justify-content: center; }
}

/* Screen-only / print-only helpers */
.no-screen { display: none; }
@media print { .no-screen { display: block; } }

/* Print */
@media print {
    header, .action-bar, .filter-bar, .btn, .no-print { display: none !important; }
    body { background: #fff; font-size: 12px; }
    table { border: 1px solid #000; }
    th, td { border: 1px solid #000; padding: 4px 6px; }
    .print-title { font-size: 16px; font-weight: bold; margin-bottom: 8px; }
    .print-subtitle { font-size: 13px; margin-bottom: 4px; }
    .print-period { font-size: 12px; margin-bottom: 16px; }
    .print-footer { margin-top: 16px; font-size: 11px; }
}