/* ==========================================
   Medizinischer Stil / Medical Dashboard CSS
   ========================================== */

:root {
    --bg-color: #f0f4f8;          /* Sanftes, klinisches Hellblau/Grau */
    --card-bg: #ffffff;           /* Reines Weiß für Boxen */
    --text-main: #2d3748;         /* Dunkelgrau für optimale Lesbarkeit */
    --text-muted: #718096;        /* Gedimmtes Grau für Nebeninfos */
    --primary: #0284c7;           /* Klinisches Blau */
    --primary-hover: #0369a1;     /* Dunkleres Blau für Hover */
    --danger: #e11d48;            /* Medizinisches Rot für Admin/Löschen */
    --danger-hover: #be123c;      /* Dunkleres Rot */
    --success: #10b981;           /* Frisches Grün für Aktiv-Status */
    --border-color: #cbd5e1;      /* Dezente Linien */
    --radius: 8px;                /* Moderne, leicht abgerundete Ecken */
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
}

/* Header / Navbar */
.header {
    background: var(--card-bg);
    color: var(--text-main);
    padding: 20px 25px;
    border-radius: var(--radius);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-left: 5px solid var(--primary);
    margin-bottom: 30px;
}

.header h2 {
    margin: 0 0 5px 0;
    color: var(--primary);
}

.header p {
    margin: 0;
    color: var(--text-muted);
}

/* Karten & Boxen (Dashboard Grid) */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: var(--radius);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    text-align: center;
    border-top: 3px solid var(--primary);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.08);
}

.card h3 {
    margin-top: 0;
    color: var(--text-main);
}

.card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    min-height: 45px;
}

/* Buttons & Links */
.btn {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    padding: 10px 18px;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}

.btn:hover {
    background: var(--primary-hover);
}

.admin-link {
    background: var(--danger);
}

.admin-link:hover {
    background: var(--danger-hover);
}

/* Formulare (Login & Registrierung) */
form {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    max-width: 400px;
    margin: 40px auto;
    border-top: 4px solid var(--primary);
}

form label {
    font-weight: 600;
    color: var(--text-main);
    display: block;
    margin-bottom: 5px;
}

form input[type="text"],
form input[type="password"] {
    width: 100%;
    padding: 10px 12px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 1rem;
}

form input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

/* Tabellen (Admin-Portal) */
table {
    border-collapse: collapse;
    width: 100%;
    background: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    margin-top: 20px;
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: #f8fafc;
    color: var(--text-main);
    font-weight: 600;
}

tr:hover {
    background-color: #f8fafc;
}

/* Texte & Fehlermeldungen */
.error-msg {
    color: var(--danger);
    background: #fff1f2;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid #fecdd3;
    margin-bottom: 15px;
}

.success-msg {
    color: var(--success);
    background: #ecfdf5;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid #a7f3d0;
    margin-bottom: 15px;
}