:root {
    --primary-color: #4a0025;
    --primary-hover: #6a0035;
    --danger-color: #dc3545;
    --text-color: #1a1a1a;
    --text-muted: #666;
    --border-color: #ddd;
    --bg-light: #f8f9fa;
    --white: #fff;
}

* {
    box-sizing: border-box;
}

body {
    font-family: system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--bg-light);
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Login */
.login-container {
    max-width: 400px;
    margin: 100px auto;
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
}

.login-container h1 {
    color: var(--primary-color);
    margin-bottom: 30px;
}

.login-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.login-header h1 {
    margin: 0;
    color: var(--primary-color);
}

/* Language Toggle */
.lang-toggle {
    display: flex;
    gap: 5px;
    align-items: center;
}

.lang-toggle a {
    padding: 5px 10px;
    text-decoration: none;
    border-radius: 4px;
    font-size: 13px;
    color: var(--text-muted);
    background: var(--bg-light);
    border: 1px solid var(--border-color);
}

.lang-toggle a:hover {
    background: var(--border-color);
}

.lang-toggle a.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

/* Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    margin: 0;
    color: var(--primary-color);
}

.page-header nav {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-size: 14px;
    transition: background 0.2s;
}

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

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

.btn-secondary {
    background: var(--border-color);
    color: var(--text-color);
}

.btn-secondary:hover {
    background: #ccc;
}

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

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

.btn-sm {
    padding: 5px 12px;
    font-size: 13px;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

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

.form-group label small {
    font-weight: normal;
    color: var(--text-muted);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.analyses-grid {
    grid-template-columns: repeat(3, 1fr);
}

.form-actions {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
}

fieldset {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 20px;
    margin-bottom: 20px;
}

legend {
    font-weight: 600;
    padding: 0 10px;
    color: var(--primary-color);
}

/* Ingredients */
.ingredient-row {
    display: flex;
    gap: 15px;
    align-items: center;
    margin-bottom: 10px;
}

.ingredient-row input[type="text"] {
    flex: 1;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 14px;
    white-space: nowrap;
}

/* Table */
.wine-table {
    width: 100%;
    border-collapse: collapse;
}

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

.wine-table th {
    background: var(--bg-light);
    font-weight: 600;
}

.wine-table tbody tr:hover {
    background: var(--bg-light);
}

.actions {
    display: flex;
    gap: 8px;
}

.inline-form {
    display: inline;
}

/* QR Preview */
.qr-preview {
    text-align: center;
    padding: 30px;
}

.qr-preview img {
    max-width: 300px;
    margin-bottom: 20px;
}

.qr-url {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.qr-url code {
    background: var(--bg-light);
    padding: 5px 10px;
    border-radius: 4px;
}

.qr-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
}

/* Alerts */
.alert {
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Empty state */
.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 40px;
}

/* Responsive */
@media (max-width: 768px) {
    .form-row,
    .analyses-grid {
        grid-template-columns: 1fr;
    }

    .page-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .login-header {
        flex-direction: column;
        gap: 15px;
    }

    .actions {
        flex-wrap: wrap;
    }
}

/* Bulk Actions */
.bulk-actions {
    margin-top: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.selection-count {
    color: var(--text-muted);
    font-size: 14px;
}

.checkbox-col {
    width: 40px;
    text-align: center;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}