/* === Variablen === */
:root {
    --primary: #4CAF50;
    --primary-hover: #45a049;
    --danger: #dc3545;
    --bg: #f5f5f5;
    --white: #ffffff;
    --gray-light: #f8f8f8;
    --gray: #666;
    --gray-dark: #333;
    --border: #ddd;
    --success-bg: #d4edda;
    --success-text: #155724;
    --success-border: #c3e6cb;
    --error-bg: #f8d7da;
    --error-text: #721c24;
    --error-border: #f5c6cb;
    --warning-bg: #fff3cd;
    --warning-text: #856404;
    --warning-border: #ffeeba;
}

* { box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: var(--bg);
    color: var(--gray-dark);
    -webkit-text-size-adjust: 100%;
}

/* === Layout === */
.page-container {
    max-width: 800px;
    margin: 0 auto;
}

.container {
    background: var(--white);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.login-container {
    max-width: 300px;
    margin: 50px auto;
    padding: 20px;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* === Typografie === */
h1 { color: var(--gray-dark); margin-bottom: 30px; }
h2 { color: var(--gray); margin-top: 30px; margin-bottom: 15px; }
p { line-height: 1.6; color: #444; }

/* === Formulare === */
.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

input, select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 16px;
}

input[type="date"] {
    -webkit-appearance: none;
    appearance: none;
    min-height: 0;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    text-decoration: none;
    text-align: center;
    min-height: 44px;
    line-height: 1.2;
}

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

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

.btn-danger {
    background-color: var(--danger);
    color: var(--white);
    padding: 8px 12px;
    font-size: 14px;
    min-height: 36px;
}

.btn-danger:hover {
    background-color: #c82333;
}

.btn-secondary {
    background-color: var(--gray);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: #555;
}

.btn-sm {
    padding: 8px 12px;
    font-size: 14px;
    min-height: 36px;
}

.btn-full {
    width: 100%;
}

.btn-row {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.action-buttons {
    display: flex;
    gap: 6px;
}

/* === Alerts === */
.alert {
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 15px;
    border: 1px solid;
}

.alert-success {
    background-color: var(--success-bg);
    color: var(--success-text);
    border-color: var(--success-border);
}

.alert-error {
    background-color: var(--error-bg);
    color: var(--error-text);
    border-color: var(--error-border);
}

.alert-warning {
    background-color: var(--warning-bg);
    color: var(--warning-text);
    border-color: var(--warning-border);
}

/* === Dashboard Header === */
.header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.welcome {
    font-size: 24px;
}

.logout-link {
    color: var(--gray);
    text-decoration: none;
    font-size: 14px;
    padding: 8px;
    min-height: 44px;
    display: flex;
    align-items: center;
}

.logout-link:hover {
    color: var(--danger);
}

.date-info {
    color: var(--gray);
    margin-bottom: 20px;
}

/* === Budget === */
.budget-info {
    margin: 20px 0;
    padding: 15px;
    background: var(--gray-light);
    border-radius: 4px;
    border-left: 4px solid var(--primary);
}

.budget-info.budget-warning {
    border-left-color: #ffc107;
    background-color: var(--warning-bg);
}

.budget-info.budget-exceeded {
    border-left-color: var(--danger);
    background-color: var(--error-bg);
}

.budget-sub {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid rgba(0,0,0,0.1);
    font-size: 14px;
    color: var(--gray);
}

.budget-sub.restaurant-warning {
    color: var(--error-text);
    font-weight: 600;
}

.spacer {
    height: 20px;
}

/* === Navigation === */
.navigation {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin: 20px 0;
}

.nav-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
    background-color: var(--primary);
    color: var(--white);
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
    min-height: 44px;
}

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

/* === Tabelle === */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    background-color: var(--gray-light);
    font-weight: 600;
}

.n26-row {
    color: red;
}

/* === Manual === */
.section {
    margin-bottom: 30px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    margin-top: 20px;
    padding: 12px 20px;
    background-color: var(--primary);
    color: var(--white);
    text-decoration: none;
    border-radius: 4px;
    min-height: 44px;
}

.back-link:hover {
    background-color: var(--primary-hover);
}

ul, ol {
    padding-left: 20px;
    line-height: 1.8;
}

.warning-box {
    background-color: var(--error-bg);
    border: 1px solid var(--error-border);
    padding: 10px;
    border-radius: 4px;
}

.function-list { margin-top: 30px; }
.function-item { margin-bottom: 20px; }

/* === Footer === */
.footer-links {
    text-align: center;
    margin-top: 20px;
    padding: 10px;
}

.footer-links a {
    color: var(--primary);
    text-decoration: none;
}

.footer-links a:hover {
    text-decoration: underline;
}

/* === App-Version === */
.app-version {
    text-align: center;
    font-size: 0.75rem;
    color: #aaa;
    margin: 20px 0 8px;
    padding: 0;
}

/* === Dark Mode === */
@media (prefers-color-scheme: dark) {
    :root {
        --primary: #66BB6A;
        --primary-hover: #81C784;
        --danger: #ef5350;
        --bg: #121212;
        --white: #1e1e1e;
        --gray-light: #2a2a2a;
        --gray: #aaa;
        --gray-dark: #e0e0e0;
        --border: #444;
        --success-bg: #1b3d1b;
        --success-text: #81c784;
        --success-border: #2e7d32;
        --error-bg: #3d1b1b;
        --error-text: #ef9a9a;
        --error-border: #c62828;
        --warning-bg: #3d3520;
        --warning-text: #fff176;
        --warning-border: #f9a825;
    }

    p { color: #ccc; }

    input, select {
        background-color: #2a2a2a;
        color: #e0e0e0;
    }

    .n26-row { color: #ef5350; }

    .budget-sub {
        color: var(--gray);
        border-top-color: rgba(255,255,255,0.1);
    }

    .footer-links a { color: var(--primary); }
}

/* === Responsive === */
@media (max-width: 600px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 15px;
    }

    .welcome {
        font-size: 20px;
    }

    table thead {
        display: none;
    }

    table tbody tr {
        display: block;
        margin-bottom: 12px;
        border: 1px solid var(--border);
        border-radius: 4px;
        padding: 10px;
    }

    table tbody td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 6px 0;
        border-bottom: 1px solid #eee;
    }

    table tbody td:last-child {
        border-bottom: none;
        justify-content: flex-start;
        padding-top: 8px;
    }

    table tbody td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--gray);
        margin-right: 10px;
    }

    .navigation {
        flex-direction: row;
        flex-wrap: nowrap;
    }

    .nav-btn {
        flex: 1 1 0;
        min-width: 0;
        padding: 12px 8px;
        font-size: 13px;
    }
}