:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --success: #16a34a;
    --danger: #dc2626;
    --warning: #d97706;
    --bg: #f4f6f9;
    --card: #ffffff;
    --border: #e2e8f0;
    --text: #1e293b;
    --text-muted: #64748b;
    --radius: 10px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

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

.topbar {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.topbar .brand { font-weight: 700; font-size: 18px; color: var(--primary-dark); }
.topbar .user-info { font-size: 14px; color: var(--text-muted); }
.topbar .user-info a { margin-left: 12px; }

.container {
    max-width: 1000px;
    margin: 28px auto;
    padding: 0 20px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
}

.card h2, .card h3 { margin-top: 0; }

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 700px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text); }

input[type=text], input[type=email], input[type=password], input[type=tel], input[type=number], input[type=file], select, textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    background: #fff;
    color: var(--text);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}

.field { margin-bottom: 16px; }
.hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

.btn {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 8px;
    border: none;
    background: var(--primary);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}
.btn:hover { background: var(--primary-dark); }
.btn.btn-secondary { background: #64748b; }
.btn.btn-success { background: var(--success); }
.btn.btn-danger { background: var(--danger); }
.btn.btn-sm { padding: 6px 12px; font-size: 13px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--text-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-pending { background: #fef3c7; color: #92400e; }
.badge-approved { background: #dcfce7; color: #166534; }
.badge-rejected { background: #fee2e2; color: #991b1b; }
.badge-in_progress { background: #dbeafe; color: #1e40af; }
.badge-completed { background: #dcfce7; color: #166534; }

.progress-bar { background: var(--border); border-radius: 20px; height: 10px; overflow: hidden; }
.progress-bar-fill { background: var(--success); height: 100%; }

.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.flash-success { background: #dcfce7; color: #166534; }
.flash-error { background: #fee2e2; color: #991b1b; }

.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-card { width: 100%; max-width: 380px; }
.login-card h1 { font-size: 20px; text-align: center; margin-bottom: 4px; }
.login-card .sub { text-align: center; color: var(--text-muted); font-size: 13px; margin-bottom: 24px; }

.doc-item { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--border); }
.doc-item:last-child { border-bottom: none; }
.doc-item .doc-name { font-weight: 600; }
.doc-item .doc-desc { font-size: 13px; color: var(--text-muted); }