:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border-color: #cbd5e1;
    --success: #22c55e;
    --accent-blue: #e0f2ff;
    --accent-yellow: #fff9c4;
    --accent-orange: #ffe0b2;
}

body { 
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; 
    /* sanfter Verlauf für den Hintergrund */
    background: linear-gradient(135deg, #e0f2ff 0%, #f8fafc 100%);
    color: var(--text-main);
    line-height: 1.6;
    margin: 0;
    padding: 20px;
}

/* Optional: feines, diagonales Muster für noch mehr Textur */
body::before {
    content: "";
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-image: repeating-linear-gradient(
        45deg,
        rgba(255,255,255,0.05),
        rgba(255,255,255,0.05) 1px,
        transparent 1px,
        transparent 4px
    );
    pointer-events: none;
    z-index: 0;
}

.container { 
    max-width: 1000px; 
    margin: 0 auto; 
    background: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 6px 15px rgba(0,0,0,0.1);
}

/* ===== Header ===== */
.header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--accent-blue);
    padding: 20px 25px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    margin-bottom: 25px;
}

.header-bar h1 {
    margin: 0;
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: 700;
}

.header-bar .btn-print {
    background-color: var(--primary-color);
    color: white;
    padding: 10px 18px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.header-bar .btn-print:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

/* ===== Navigation ===== */
.nav { 
    display: flex; 
    align-items: center; 
    justify-content: space-between; 
    background: var(--accent-blue);
    border-radius: 10px;
    padding: 12px 15px;
    margin-bottom: 25px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.nav strong { font-size: 1.2rem; color: var(--primary-color); }

/* ===== Buttons ===== */
button {
    cursor: pointer;
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 18px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.2s ease;
}

button:hover { background-color: var(--primary-hover); transform: translateY(-2px); }
.btn-secondary { background-color: var(--text-muted); }
.btn-secondary:hover { background-color: #525f7f; }

/* ===== Forms ===== */
form { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); 
    gap: 15px; 
    align-items: end;
    background: #f1f5f9;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
}

form label { font-size: 0.9rem; font-weight: 600; color: var(--text-muted); display: block; }

input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.95rem;
    box-sizing: border-box;
}

input:focus { outline: 2px solid var(--primary-color); border-color: transparent; }

/* ===== Tabellen ===== */
table { 
    width: 100%; 
    border-collapse: separate; 
    border-spacing: 0;
    margin-top: 25px;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

th { 
    background-color: #f0f4f8; 
    color: var(--text-muted); 
    font-weight: 600; 
    text-transform: uppercase; 
    font-size: 0.75rem; 
    letter-spacing: 0.05em;
    padding: 14px;
    border-bottom: 2px solid var(--border-color);
}

td { padding: 12px; border-bottom: 1px solid var(--border-color); font-size: 0.95rem; }

tr:last-child td { border-bottom: none; }

tr.bereitschaft { background-color: var(--accent-blue); color: #0369a1; font-weight: 500; }

/* ===== Edit Fields ===== */
.edit-field { 
    border: 1px solid transparent; 
    background: transparent; 
    text-align: center;
    transition: all 0.3s;
}

.edit-field:hover { 
    border: 1px solid var(--border-color); 
    background: white;
}

/* ===== Statusmeldungen ===== */
.status { 
    padding: 15px; 
    background-color: #dcfce7; 
    color: #166534; 
    border-radius: 8px; 
    margin-bottom: 25px; 
    border-left: 6px solid var(--success);
    font-weight: 600;
}

/* ===== Tages- und Monatssummen ===== */
.day-total { font-weight: 700; color: var(--primary-color); background: #fafafa; }

/* ===== Gesamtzeit Cards ===== */
.totals {
    display: flex;
    gap: 20px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.card {
    flex: 1 1 220px;
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 6px 15px rgba(0,0,0,0.08);
    transition: transform 0.2s, box-shadow 0.2s;
    background-color: var(--card-bg);
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.card h3 {
    margin-bottom: 10px;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-muted);
}

.card p {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-main);
}

/* Farbvarianten für Cards */
.card.total { background-color: var(--accent-blue); }
.card.normal { background-color: var(--accent-yellow); }
.card.bereitschaft { background-color: var(--accent-orange); }

/* ===== Druckansicht ===== */
@media print {
    body { background-color: #fff; color: #000; }
    .nav, .status, .btn-secondary, form, #rangeForm, .btn-print { display: none !important; }
    .totals { flex-direction: column; }
    .card { box-shadow: none; border: 1px solid var(--border-color); margin-bottom: 12px; }
    table { page-break-inside: auto; }
    tr { page-break-inside: avoid; page-break-after: auto; }
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
    .container { padding: 15px; }
    form { grid-template-columns: 1fr; }
    table { font-size: 0.85rem; }
    .totals { flex-direction: column; }
}