/**
 * Modernes CSS für E-Check Protokoll System
 * Responsive Design für Desktop und Tablet
 */

/* CSS Reset und globale Variablen */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #059669;
    --warning-color: #d97706;
    --danger-color: #dc2626;
    --background-color: #f8fafc;
    --card-background: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --border-radius: 8px;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-color);
}

/* Login-Seite Styles */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #F8FAFC;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-card {
    background: var(--card-background);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.login-header {
    padding: 2rem 2rem 1rem;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
}

.login-header h1 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.login-header p {
    opacity: 0.9;
    font-size: 0.875rem;
}

.login-form {
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.login-btn {
    width: 100%;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.875rem;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.login-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.login-btn:active {
    transform: translateY(0);
}

.error-message {
    margin-top: 1rem;
    padding: 0.75rem;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--border-radius);
    color: var(--danger-color);
    font-size: 0.875rem;
}

.login-footer {
    padding: 1.5rem 2rem 2rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.login-footer small {
    display: block;
    margin-top: 0.25rem;
    opacity: 0.8;
}

/* Dashboard Styles */
.dashboard {
    min-height: 100vh;
    background: var(--background-color);
}

.header {
    background: white;
    box-shadow: var(--shadow);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 600;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-name {
    font-weight: 500;
    color: var(--text-primary);
}

.logout-btn {
    background: var(--danger-color);
    color: white;
    border: none;
    padding: 0.95rem 1.5rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.logout-btn:hover {
    background: #b91c1c;
}

.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.dashboard-actions {
    margin-bottom: 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background: #475569;
}

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

.btn-success:hover {
    background: #047857;
}

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

.btn-warning:hover {
    background: #b45309;
}

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

.btn-danger:hover {
    background: #b91c1c;
}

/* Protokoll-Listen */
.protocols-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.protocol-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.protocol-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.protocol-header {
    padding: 1.5rem;
    background: white;
    border-bottom: 1px solid var(--border-color);
}

.protocol-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.protocol-meta {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.protocol-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    margin-top: 0.5rem;
}

.status-draft {
    background: #fef3c7;
    color: #92400e;
}

.status-completed {
    background: #d1fae5;
    color: #065f46;
}

.protocol-body {
    padding: 1.5rem;
}

.protocol-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Editor Styles */
.editor {
    min-height: 100vh;
    background: var(--background-color);
}

.editor-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.editor-header {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.editor-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.editor-subtitle {
    color: var(--text-secondary);
}

.form-section {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-color);
}

.section-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    margin-top: -1rem;
    padding: 1rem;
    background: var(--background-color);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
    line-height: 1.5;
    font-style: italic;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Checkbox und Radio Styles */
.checkbox-group,
.radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.checkbox-item,
.radio-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-item input,
.radio-item input {
    width: auto;
    margin: 0;
}

/* Mängel-Liste */
.defects-list {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.defect-item {
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
    background: var(--background-color);
}

.defect-item:last-child {
    border-bottom: none;
}

.defect-header {
    display: flex;
    justify-content: between;
    align-items: center;
    margin-bottom: 1rem;
}

.defect-number {
    font-weight: 600;
    color: var(--primary-color);
}

.remove-defect {
    margin-left: 8px;
    background: var(--danger-color);
    color: white;
    border: none;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.75rem;
}

.image-upload {
    margin-top: 1rem;
}

.image-preview {
    margin-top: 0.5rem;
    max-width: 200px;
    border-radius: var(--border-radius);
}

/* Unterschrift Canvas */
.signature-section {
    text-align: center;
}

.signature-canvas {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: crosshair;
    margin: 1rem 0;
}

.signature-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

/* Messwerte-Tabelle */
.table-container {
    margin-bottom: 1rem;
    width: 100%;
}

.measurement-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    table-layout: fixed;
}

.measurement-table th {
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 0.25rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.8rem;
    word-wrap: break-word;
    line-height: 1.2;
}

/* Spaltenbreiten definieren */
.measurement-table th:nth-child(1) { width: 15%; } /* Typ */
.measurement-table th:nth-child(2) { width: 20%; } /* Messkreis/Bez */
.measurement-table th:nth-child(3) { width: 12%; } /* Riso/InA */
.measurement-table th:nth-child(4) { width: 12%; } /* Zs/IDn */
.measurement-table th:nth-child(5) { width: 10%; } /* Ik/Ub */
.measurement-table th:nth-child(6) { width: 12%; } /* RPE/IDelta */
.measurement-table th:nth-child(7) { width: 14%; } /* Bemerkung/ts */
.measurement-table th:nth-child(8) { width: 5%; }  /* Aktion */

.measurement-table td {
    padding: 0.5rem 0.25rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
    word-wrap: break-word;
}

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

.measurement-table tr:hover {
    background: var(--background-color);
}

.measurement-table input[type="text"],
.measurement-table input[type="number"] {
    width: 100%;
    min-width: 60px;
    padding: 0.4rem 0.3rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.8rem;
    transition: border-color 0.2s ease;
    box-sizing: border-box;
}

.measurement-table input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.btn-add {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--success-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    margin-top: 1.5rem;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.btn-add:hover {
    background: #047857;
    transform: translateY(-1px);
}

/* Tabellen-Controls */
.table-controls {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

/* Zeilen-Typ Badges */
.row-type-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.fi-badge {
    background-color: var(--warning-color);
    color: white;
}

.btn-remove {
    padding: 0.5rem;
    background: var(--danger-color);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
    min-width: 35px;
}

.btn-remove:hover {
    background: #b91c1c;
}

/* Responsive Tabelle */
@media (max-width: 768px) {
    .measurement-table {
        font-size: 0.75rem;
    }
    
    .measurement-table th,
    .measurement-table td {
        padding: 0.5rem 0.25rem;
    }
    
    .measurement-table input {
        min-width: 60px;
        padding: 0.375rem;
        font-size: 0.75rem;
    }
}

/* Editor Actions */
.editor-actions {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.action-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .user-info {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .protocols-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .editor-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .action-group {
        justify-content: center;
    }
    
    .signature-canvas {
        max-width: 100%;
        height: 200px;
    }
}

@media (max-width: 480px) {
    .main-content,
    .editor-container {
        padding: 1rem 0.5rem;
    }
    
    .login-card {
        margin: 0.5rem;
    }
    
    .form-section {
        padding: 1rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Optimierung der Messwerte-Tabelle für sehr kleine Bildschirme */
    .measurement-table th,
    .measurement-table td {
        padding: 0.3rem 0.15rem;
        font-size: 0.75rem;
    }
    
    .measurement-table input[type="text"],
    .measurement-table input[type="number"] {
        min-width: 50px;
        padding: 0.3rem 0.2rem;
        font-size: 0.75rem;
    }
}

/* Erweiterte Responsive-Optimierung für Tablets */
@media (max-width: 1024px) and (min-width: 481px) {
    .measurement-table th {
        padding: 0.6rem 0.3rem;
        font-size: 0.85rem;
    }
    
    .measurement-table td {
        padding: 0.4rem 0.3rem;
    }
    
    .measurement-table input[type="text"],
    .measurement-table input[type="number"] {
        padding: 0.35rem 0.25rem;
        font-size: 0.85rem;
    }
}

/* Image Upload Error Display */
.image-preview-container .error-message {
    background: #fee;
    border: 1px solid #fcc;
    color: #c00;
    padding: 1rem;
    margin: 0.5rem 0;
    border-radius: 8px;
    font-size: 0.875rem;
    line-height: 1.4;
}

/* Save Error Display */
#save-error-display {
    background: #fee !important;
    border: 1px solid #fcc !important;
    color: #c00 !important;
    padding: 1rem !important;
    margin: 1rem 0 !important;
    border-radius: 8px !important;
    font-family: monospace !important;
    white-space: pre-wrap !important;
    font-size: 14px !important;
    max-height: 300px !important;
    overflow-y: auto !important;
    word-break: break-word;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.hidden {
    display: none;
}

.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Animation für Buttons */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

.btn.loading {
    animation: pulse 1.5s ease-in-out infinite;
}