/* Pulzi – közös stílusok (Bootstrap 4 kiegészítése) */
:root {
    --pulzi-dark: #253745;
    --pulzi-primary: #2d7276;
    --pulzi-accent: #439e97;
    --pulzi-gray: #7f8387;
    --pulzi-gray-light: #d9e3e3;
    --pulzi-light: #f9fdff;
    --pulzi-alert: #c62828;
    --pulzi-warn: #e8a200;
}

body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--pulzi-light);
    color: var(--pulzi-dark);
    font-size: 1.05rem;
}

body.has-nav {
    padding-bottom: 76px;
}

a { color: var(--pulzi-primary); }
a:hover { color: var(--pulzi-dark); }

.brand {
    font-weight: 800;
    letter-spacing: .5px;
    color: var(--pulzi-primary);
}

.card {
    border-radius: 24px;
    box-shadow: 2px 2px 15px rgba(0, 0, 0, 0.1) !important;
    border: 1px solid var(--pulzi-gray-light);    
}

.btn-primary { background-color: var(--pulzi-primary); border-color: var(--pulzi-primary); }
.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
    background-color: var(--pulzi-dark) !important;
    border-color: var(--pulzi-dark) !important;
}
.btn-outline-primary { color: var(--pulzi-primary); border-color: var(--pulzi-primary); }
.btn-outline-primary:hover, .btn-outline-primary:active {
    background-color: var(--pulzi-primary) !important;
    border-color: var(--pulzi-primary) !important;
    color: var(--pulzi-light) !important;
}
.btn-outline-secondary { color: var(--pulzi-dark); border-color: var(--pulzi-gray); }
.btn-outline-secondary:hover {
    background-color: var(--pulzi-gray) !important;
    border-color: var(--pulzi-gray) !important;
    color: var(--pulzi-light) !important;
}

.form-control, select {
    border-radius: 16px !important;
}

.form-control:focus, .custom-select:focus {
    border-color: var(--pulzi-accent);
    box-shadow: 0 0 0 .2rem rgba(67, 158, 151, .3);
}

.text-muted { color: var(--pulzi-gray) !important; }

.role-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 16vh;
    margin-top: 6rem;
    border-radius: 24px;
    border: 1px solid rgba(37, 55, 69, 0.5);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2) !important;
    font-size: 1.9rem;
    font-weight: 700;
    text-align: center;
    text-decoration: none !important;
    padding: 1rem;
    color: var(--pulzi-light) !important;
}

.role-btn.caregiver { background: var(--pulzi-accent); }
.role-btn.senior { background: var(--pulzi-primary); }

.metric-card .value { font-size: 2rem; font-weight: 800; line-height: 1.1; }
.metric-card .unit { font-size: .9rem; color: var(--pulzi-gray); }
.metric-ok { border-left: 8px solid var(--pulzi-accent); }
.metric-warn { border-left: 8px solid var(--pulzi-warn); }
.metric-alert { border-left: 8px solid var(--pulzi-alert); background: #fdecec; }
.metric-none { border-left: 8px solid var(--pulzi-gray); }

.bottom-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1030;
    display: flex;
    background: var(--pulzi-dark);
    padding-bottom: env(safe-area-inset-bottom);
}

.bottom-nav a {
    flex: 1;
    padding: .5rem 0;
    text-align: center;
    font-size: .85rem;
    font-weight: 600;
    color: var(--pulzi-gray);
    text-decoration: none;
}

.bottom-nav a i {
    display: block;
    font-size: 2rem;
    line-height: 1.3;
}

.bottom-nav a.active { color: var(--pulzi-light); box-shadow: inset 0 3px 0 var(--pulzi-accent); }

.qr-box { display: inline-block; padding: 12px; background: #fff; border-radius: 10px; }
.pair-code { font-family: monospace; font-size: 1.6rem; letter-spacing: 4px; font-weight: 700; color: var(--pulzi-dark); }

.table-measurements td, .table-measurements th { white-space: nowrap; }
.table-measurements thead th { background: var(--pulzi-dark); color: var(--pulzi-light); border-color: var(--pulzi-dark); }
.cell-alert { color: var(--pulzi-alert); font-weight: 700; }

.btn {
    min-height: 44px;
    border-radius: 16px;
}