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

:root {
    --green-50:  #f1f8f1;
    --green-100: #dcedc8;
    --green-200: #c8e6c9;
    --green-400: #66bb6a;
    --green-600: #43a047;
    --green-700: #388e3c;
    --white:     #ffffff;
    --text:      #2e3d2e;
    --text-muted:#5a6f5a;
    --error:     #c62828;
    --success:   #2e7d32;
    --radius:    8px;
    --shadow:    0 2px 8px rgba(0,0,0,.10);
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: var(--green-50);
    color: var(--text);
    min-height: 100vh;
    font-size: 16px;
    line-height: 1.5;
}

a { color: var(--green-700); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Language Bar ─────────────────────────────────────────── */
.lang-bar {
    background: var(--green-200);
    padding: 6px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 0.85rem;
}
.lang-bar span { color: var(--text-muted); }
.lang-bar a {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 4px;
    color: var(--text);
    background: transparent;
    transition: background .15s;
}
.lang-bar a:hover,
.lang-bar a.active {
    background: var(--green-600);
    color: var(--white);
    text-decoration: none;
}

/* ── Page Header ──────────────────────────────────────────── */
.page-header {
    background: var(--green-600);
    color: var(--white);
    padding: 28px 24px 20px;
    text-align: center;
}
.page-header h1 { font-size: 1.8rem; font-weight: 700; }
.page-header .greeting { margin-top: 8px; font-size: 1.05rem; opacity: .9; }

/* ── Main Card ────────────────────────────────────────────── */
.form-card {
    max-width: 680px;
    margin: 32px auto;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 32px 36px;
}

/* ── Form Elements ────────────────────────────────────────── */
.form-group {
    margin-bottom: 18px;
}
.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 5px;
    font-size: 0.93rem;
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1.5px solid var(--green-200);
    border-radius: var(--radius);
    font-size: 0.97rem;
    background: var(--green-50);
    color: var(--text);
    transition: border-color .15s, box-shadow .15s;
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--green-600);
    box-shadow: 0 0 0 3px rgba(67,160,71,.15);
    background: var(--white);
}
.form-group textarea { resize: vertical; min-height: 90px; }

/* ── Shift Checkboxes ─────────────────────────────────────── */
.shift-date-group { margin-bottom: 12px; }
.shift-date-heading {
    font-weight: 700;
    font-size: .92rem;
    color: var(--green-700);
    border-bottom: 2px solid var(--green-200);
    padding-bottom: 4px;
    margin-bottom: 6px;
}
.shifts-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.shift-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 14px;
    border: 1.5px solid var(--green-100);
    border-radius: var(--radius);
    cursor: pointer;
    transition: border-color .15s, background .15s;
    position: relative;
}
.shift-item:hover { border-color: var(--green-400); background: var(--green-50); }
.shift-item input[type="checkbox"] {
    margin-top: 3px;
    accent-color: var(--green-600);
    width: 18px; height: 18px;
    flex-shrink: 0;
}
.shift-item .shift-info { flex: 1; }
.shift-item .shift-name { font-weight: 600; font-size: 0.97rem; }
.shift-item .shift-meta { font-size: 0.83rem; color: var(--text-muted); margin-top: 2px; }

/* Tooltip */
.shift-tooltip {
    display: none;
    position: absolute;
    left: 0; top: calc(100% + 6px);
    background: var(--text);
    color: var(--white);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.82rem;
    line-height: 1.45;
    max-width: 320px;
    z-index: 10;
    white-space: pre-wrap;
    box-shadow: 0 4px 12px rgba(0,0,0,.25);
}
.shift-item:hover .shift-tooltip { display: block; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
    display: inline-block;
    padding: 10px 24px;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s, transform .1s;
}
.btn-primary {
    background: var(--green-600);
    color: var(--white);
}
.btn-primary:hover { background: var(--green-700); }
.btn-primary:active { transform: scale(.98); }
.btn-block { width: 100%; text-align: center; }

/* ── Alerts ───────────────────────────────────────────────── */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 18px;
    font-size: 0.93rem;
}
.alert-error   { background: #ffebee; color: var(--error); border-left: 4px solid var(--error); }
.alert-success { background: #e8f5e9; color: var(--success); border-left: 4px solid var(--success); }
.alert-info    { background: var(--green-100); color: var(--text); border-left: 4px solid var(--green-400); }

/* ── Setup / Login Box ────────────────────────────────────── */
.setup-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.setup-box {
    background: var(--white);
    padding: 36px 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 420px;
}
.setup-box h1 { margin-bottom: 8px; color: var(--green-700); }
.setup-box p  { margin-bottom: 20px; color: var(--text-muted); font-size: 0.92rem; }
.setup-box label {
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-weight: 600;
    font-size: 0.93rem;
    margin-bottom: 14px;
}
.setup-box input {
    padding: 9px 12px;
    border: 1.5px solid var(--green-200);
    border-radius: var(--radius);
    font-size: 0.97rem;
    background: var(--green-50);
}
.setup-box input:focus {
    outline: none;
    border-color: var(--green-600);
}
.setup-box button {
    width: 100%;
    margin-top: 8px;
    padding: 9px 12px;
    font-size: 0.97rem;
}
.error   { color: var(--error);   font-size: .9rem; margin-bottom: 12px; }
.success { color: var(--success); font-size: .9rem; margin-bottom: 12px; }

/* ── Gesundheitsbelehrung Section ─────────────────────────── */
.gb-section { background: var(--green-50); border: 1px solid var(--green-200); border-radius: var(--radius); padding: 14px 16px; }
.gb-hint { font-size: .84rem; color: var(--text-muted); margin-bottom: 10px; }
.gb-fields { display: flex; flex-direction: column; gap: 8px; }
.gb-fields label[for="gb_date"] { font-weight: 600; font-size: .9rem; margin-bottom: 3px; display: block; }
.gb-fields input[type="date"] {
    padding: 7px 10px;
    border: 1.5px solid var(--green-200);
    border-radius: var(--radius);
    font-size: .93rem;
    background: var(--white);
    max-width: 220px;
}
.gb-fields input[type="date"]:focus {
    outline: none;
    border-color: var(--green-600);
    box-shadow: 0 0 0 3px rgba(67,160,71,.15);
}
.gb-unknown-label { display: flex; align-items: flex-start; gap: 8px; font-size: .88rem; color: var(--text-muted); cursor: pointer; margin-top: 4px; }
.gb-unknown-label input[type="checkbox"] { margin-top: 2px; accent-color: var(--green-600); flex-shrink: 0; }

.alert-gb-valid    { background: #e8f5e9; color: #2e7d32; border-left: 4px solid #43a047; padding: 9px 13px; border-radius: 6px; font-size: .86rem; margin-bottom: 8px; }
.alert-gb-warning  { background: #fff8e1; color: #e65100; border-left: 4px solid #f9a825; padding: 9px 13px; border-radius: 6px; font-size: .86rem; margin-bottom: 8px; }
.alert-gb-expired  { background: #ffebee; color: #c62828; border-left: 4px solid #c62828; padding: 9px 13px; border-radius: 6px; font-size: .86rem; margin-bottom: 8px; }

/* ── Version footer ───────────────────────────────────────── */
.app-version {
    text-align: center;
    font-size: .72rem;
    color: var(--text-muted);
    opacity: .6;
    padding: 10px 0 16px;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 600px) {
    .form-card { margin: 16px; padding: 20px 16px; }
    .page-header { padding: 20px 16px 14px; }
    .page-header h1 { font-size: 1.4rem; }
}
@media (min-width: 601px) and (max-width: 1023px) {
    .form-card { max-width: 560px; }
}