/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Light Mode Colors */
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    
    --bg-color: #f8fafc;
    --surface-color: #ffffff;
    --border-color: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    
    /* Badge Colors */
    --badge-temperatur: #ef4444;
    --badge-druck: #3b82f6;
    --badge-durchfluss: #10b981;
    --badge-füllstand: #f59e0b;
    --badge-geschwindigkeit: #8b5cf6;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Navigation */
.navbar {
    background-color: var(--surface-color);
    padding: 1rem 0;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
    box-shadow: var(--shadow);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.nav-brand h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
}

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

.user-name {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.95rem;
}

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

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

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

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

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

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

.btn-small {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
}

.btn-block {
    width: 100%;
    text-align: center;
}

/* Flash Messages */
.flash-messages {
    margin-bottom: 1.5rem;
}

.flash {
    padding: 1rem 1.25rem;
    border-radius: 0.5rem;
    margin-bottom: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.flash-success {
    background-color: #d1fae5;
    color: #065f46;
    border-left: 4px solid var(--success-color);
}

.flash-error {
    background-color: #fee2e2;
    color: #991b1b;
    border-left: 4px solid var(--error-color);
}

.flash-info {
    background-color: #dbeafe;
    color: #1e40af;
    border-left: 4px solid var(--info-color);
}

.flash-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.6;
}

.flash-close:hover {
    opacity: 1;
}

/* Login Page */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 1rem;
}

.login-box {
    background-color: var(--surface-color);
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 450px;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-secondary);
}

.login-form {
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

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

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.2s;
}

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

.login-info {
    background-color: var(--bg-color);
    padding: 1.5rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
}

.login-info h3 {
    margin-bottom: 1rem;
    font-size: 1rem;
    color: var(--text-secondary);
}

.demo-accounts {
    display: grid;
    gap: 1rem;
}

.demo-account {
    font-size: 0.9rem;
    line-height: 1.8;
}

.demo-account code {
    background-color: var(--surface-color);
    padding: 0.2rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.85rem;
    color: var(--primary-color);
}

/* Dashboard */
.dashboard h1 {
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.selection-section {
    margin-bottom: 3rem;
}

.selection-section h2 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-size: 1.5rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.section-header h2 {
    margin-bottom: 0;
}

/* Suchfelder */
.search-box {
    flex: 1;
    min-width: 250px;
    max-width: 400px;
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 0.95rem;
    transition: all 0.2s;
    background-color: var(--surface-color);
}

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

.search-input::placeholder {
    color: var(--text-secondary);
}

/* Kompakte ausgewählte Items */
.selected-item {
    background-color: var(--surface-color);
    border: 2px solid var(--primary-color);
    border-radius: 0.75rem;
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.selected-item-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.selected-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.selected-item-content strong {
    color: var(--text-primary);
    font-size: 1.1rem;
}

.kks-inline {
    background-color: var(--bg-color);
    padding: 0.3rem 0.6rem;
    border-radius: 0.25rem;
    font-size: 0.85rem;
    color: var(--primary-color);
    font-family: 'Courier New', monospace;
}

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

.button-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

/* Cards */
.card {
    background-color: var(--surface-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: all 0.2s;
}

.card-button {
    cursor: pointer;
    border: 2px solid transparent;
}

.card-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.card-button.active {
    border-color: var(--primary-color);
    background-color: #eff6ff;
}

.card h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.card .kks {
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: var(--primary-color);
}

.card-actions {
    margin-top: 1rem;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.3rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    background-color: var(--secondary-color);
    color: white;
}

.badge-temperatur {
    background-color: var(--badge-temperatur);
}

.badge-druck {
    background-color: var(--badge-druck);
}

.badge-durchfluss {
    background-color: var(--badge-durchfluss);
}

.badge-füllstand {
    background-color: var(--badge-füllstand);
}

.badge-geschwindigkeit {
    background-color: var(--badge-geschwindigkeit);
}

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

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
}

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

.status-error {
    background-color: #fee2e2;
    color: #991b1b;
}

/* Tables */
.table-container {
    overflow-x: auto;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
}

.table-desktop {
    display: block;
}

.messstellen-mobile {
    display: none;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--surface-color);
}

thead {
    background-color: var(--bg-color);
}

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

th {
    font-weight: 600;
    color: var(--text-primary);
}

td {
    color: var(--text-secondary);
}

tbody tr:hover {
    background-color: var(--bg-color);
}

td code {
    background-color: var(--bg-color);
    padding: 0.2rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.85rem;
    color: var(--primary-color);
}

/* Mobile Card-Ansicht für Messstellen */
.messstelle-mobile-card {
    background-color: var(--surface-color);
    border-radius: 0.75rem;
    padding: 1.25rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.mobile-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    gap: 0.75rem;
}

.mobile-card-header h4 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.1rem;
    flex: 1;
}

.mobile-card-content {
    margin-bottom: 1rem;
}

.mobile-card-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    gap: 1rem;
}

.mobile-card-row:last-child {
    border-bottom: none;
}

.mobile-card-row .label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.mobile-card-row code {
    background-color: var(--bg-color);
    padding: 0.2rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.85rem;
    color: var(--primary-color);
}

.mobile-card-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

/* Detail Views */
.detail-view {
    margin-bottom: 3rem;
}

.breadcrumb {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    margin: 0 0.5rem;
}

.detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.detail-header h1 {
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.detail-card {
    background-color: var(--surface-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.detail-card h2 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-size: 1.25rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
}

.info-item label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
    font-weight: 500;
}

.info-item p {
    color: var(--text-primary);
    font-size: 0.95rem;
}

.info-box {
    background-color: var(--surface-color);
    padding: 1.5rem;
    border-radius: 0.75rem;
    margin-bottom: 2rem;
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow);
}

.info-box p {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.info-box code {
    background-color: var(--bg-color);
    padding: 0.2rem 0.5rem;
    border-radius: 0.25rem;
    color: var(--primary-color);
}

/* Messstellen Grid */
.messstellen-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

.messstelle-card .card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.messstelle-card .card-content {
    margin-bottom: 1rem;
}

/* Admin Form */
.admin-form {
    max-width: 100%;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

/* Footer */
footer {
    margin-top: 4rem;
    padding: 2rem 0;
    text-align: center;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 0.75rem;
    }
    
    .navbar .container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .nav-brand {
        text-align: center;
    }
    
    .nav-user {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .button-grid {
        grid-template-columns: 1fr;
    }
    
    .detail-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .header-actions {
        flex-direction: column;
    }
    
    .detail-grid {
        grid-template-columns: 1fr;
    }
    
    .messstellen-grid {
        grid-template-columns: 1fr;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    /* Tabelle auf Mobile verstecken, Cards anzeigen */
    .table-desktop {
        display: none;
    }
    
    .messstellen-mobile {
        display: block;
    }
    
    .mobile-card-actions {
        flex-direction: column;
    }
    
    .mobile-card-actions .btn {
        width: 100%;
    }
    
    th, td {
        padding: 0.75rem 0.5rem;
    }
    
    .login-box {
        padding: 1.5rem;
    }
    
    .card-actions {
        flex-direction: column;
    }
    
    .card-actions .btn {
        width: 100%;
        text-align: center;
    }
    
    .section-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        max-width: 100%;
    }
    
    .selected-item {
        flex-direction: column;
        align-items: stretch;
    }
    
    .selected-item-content {
        justify-content: center;
    }
    
    .selected-item-actions {
        width: 100%;
    }
    
    .selected-item-actions .btn {
        flex: 1;
    }
}

@media (max-width: 480px) {
    .nav-brand h2 {
        font-size: 1.25rem;
    }
    
    .detail-header h1 {
        font-size: 1.5rem;
    }
    
    .selection-section h2 {
        font-size: 1.25rem;
    }
    
    .user-name {
        font-size: 0.85rem;
    }
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-content {
    background-color: var(--surface-color);
    border-radius: 1rem;
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.modal-header h2 {
    margin: 0;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    transition: all 0.2s;
}

.modal-close:hover {
    background-color: var(--bg-color);
    color: var(--text-primary);
}

.modal-content form {
    padding: 1.5rem;
}

.modal-actions {
    display: flex;
    gap: 0.75rem;
    padding: 1.5rem;
    border-top: 2px solid var(--border-color);
    background-color: var(--bg-color);
    border-bottom-left-radius: 1rem;
    border-bottom-right-radius: 1rem;
}

/* Messwerte Section */
.messwerte-section {
    margin: 1.5rem 0;
    padding: 1.5rem;
    background-color: var(--bg-color);
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
}

.messwerte-section h3 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: var(--text-primary);
}

#messwerteContainer {
    margin-bottom: 1rem;
}

.messwert-row {
    margin-bottom: 1rem;
}

.messwert-inputs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    align-items: end;
}

.input-group {
    display: flex;
    flex-direction: column;
}

.input-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
    font-weight: 500;
}

.input-with-unit {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.input-with-unit input {
    flex: 1;
}

.input-with-unit .unit {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    min-width: 40px;
}

textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 0.95rem;
    font-family: inherit;
    resize: vertical;
    transition: border-color 0.2s;
}

textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Details Modal Content */
#detailsContent {
    padding: 1.5rem;
}

#detailsContent h3 {
    color: var(--text-primary);
    font-size: 1.1rem;
}

.text-success {
    color: var(--success-color);
    font-weight: 600;
}

.text-error {
    color: var(--error-color);
    font-weight: 600;
}

.text-secondary {
    color: var(--text-secondary);
    font-style: italic;
}

/* Mobile Anpassungen für Modal */
@media (max-width: 768px) {
    .modal {
        padding: 0;
    }
    
    .modal-content {
        max-height: 100vh;
        border-radius: 0;
    }
    
    .messwert-inputs {
        grid-template-columns: 1fr;
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .modal-actions .btn {
        width: 100%;
    }
}