:root {
    --color-bg: #f4f6f8;
    --color-surface: #ffffff;
    --color-border: #e2e5e9;
    --color-text: #1c2530;
    --color-text-muted: #6b7684;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-secondary: #edf0f3;
    --color-danger: #dc2626;
    --color-success: #16a34a;
    --color-warning: #d97706;
    --radius: 8px;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

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

/* ---------- Logowanie ---------- */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.login-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 40px;
    width: 340px;
    text-align: center;
}

.login-card h1 { font-size: 20px; margin: 0 0 4px; }
.subtitle { color: var(--color-text-muted); font-size: 14px; margin: 0 0 24px; }

.dev-login-box {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px dashed var(--color-border);
    text-align: left;
}
.dev-login-label { font-size: 12px; color: var(--color-warning); margin-bottom: 8px; }
.dev-login-box input {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 14px;
}
.error-text { color: var(--color-danger); font-size: 13px; margin-top: 8px; min-height: 16px; }

/* ---------- Przyciski ---------- */
.btn {
    display: inline-block;
    padding: 10px 16px;
    border-radius: var(--radius);
    border: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
}
.btn-block { display: block; width: 100%; }
.btn-small { padding: 6px 12px; font-size: 13px; }
.btn-primary { background: var(--color-primary); color: white; }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-secondary { background: var(--color-secondary); color: var(--color-text); }
.btn-secondary:hover { background: #e2e6ea; }

/* ---------- Topbar ---------- */
.topbar {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 0 24px;
    height: 56px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}
.topbar-brand { font-weight: 700; font-size: 16px; }
.topbar-nav { display: flex; gap: 16px; flex: 1; }
.topbar-nav a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 14px;
    padding: 6px 0;
}
.topbar-nav a.active { color: var(--color-primary); font-weight: 600; }
.topbar-nav a.disabled { opacity: 0.4; cursor: not-allowed; }
.topbar-user { display: flex; align-items: center; gap: 12px; font-size: 14px; }
.topbar-user small { color: var(--color-text-muted); }

/* ---------- Layout główny ---------- */
.app-main { padding: 24px; max-width: 1200px; margin: 0 auto; }

.kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.kpi-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    flex-direction: column;
}
.kpi-value { font-size: 26px; font-weight: 700; }
.kpi-label { font-size: 13px; color: var(--color-text-muted); margin-top: 4px; }

.map-section, .table-section {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 24px;
}
.map-section h2, .table-section h2 { font-size: 15px; margin: 0 0 12px; }
#map { height: 380px; border-radius: var(--radius); }

.table-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.table-header input {
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 13px;
    width: 240px;
}

table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead th {
    text-align: left;
    padding: 10px 12px;
    color: var(--color-text-muted);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    border-bottom: 1px solid var(--color-border);
}
tbody td { padding: 10px 12px; border-bottom: 1px solid var(--color-border); }
tbody tr:hover { background: var(--color-bg); }
.loading-row { text-align: center; color: var(--color-text-muted); padding: 24px; }

.status-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}
.status-active { background: #dcfce7; color: var(--color-success); }
.status-in_service { background: #fef3c7; color: var(--color-warning); }
.status-inactive, .status-sold { background: #f1f5f9; color: var(--color-text-muted); }

.due-soon { color: var(--color-warning); font-weight: 600; }
.due-overdue { color: var(--color-danger); font-weight: 600; }

/* ---------- Mapa ---------- */
.vehicle-marker { font-size: 20px; text-align: center; line-height: 24px; }