/**
 * IMMOBILIENVERWALTUNG - Gemeinsames Stylesheet
 * ==============================================
 *
 * Wird verwendet von:
 * - Auth-Service
 * - Firmen-Service
 * - Personen-Service
 * - Schema-Service
 *
 * Schriftarten: Barlow Condensed (Überschriften) + Inter (Text)
 * Akzentfarbe: Grün (#059669)
 */

/* ============================================================================
   CSS VARIABLEN
   ============================================================================ */

:root {
    /* Farben */
    --color-primary: #059669;
    --color-primary-dark: #047857;
    --color-primary-light: #d1fae5;
    --color-secondary: #64748b;
    --color-success: #22c55e;
    --color-danger: #ef4444;
    --color-warning: #f59e0b;

    /* Grautöne */
    --color-bg: #f8fafc;
    --color-bg-card: #ffffff;
    --color-border: #e2e8f0;
    --color-text: #1e293b;
    --color-text-muted: #64748b;
    --color-text-light: #94a3b8;

    /* Abstände */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Schatten */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    /* Rundungen */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;

    /* Schriftarten */
    --font-heading: 'Barlow Condensed', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ============================================================================
   RESET & BASIS
   ============================================================================ */

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
}

/* ============================================================================
   LOGIN SCREEN
   ============================================================================ */

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.login-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl);
    width: 100%;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.login-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.login-header h1 {
    font-size: 1.5rem;
    color: var(--color-text);
}

.login-header .subtitle {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

/* ============================================================================
   LAYOUT
   ============================================================================ */

.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.app-header {
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-lg) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.header-content h1 {
    font-size: 1.75rem;
    color: var(--color-text);
}

.header-content .subtitle {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.user-badge {
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.main-content {
    flex: 1;
    padding: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.app-footer {
    background: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-md) var(--spacing-xl);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.8125rem;
}

/* ============================================================================
   BUTTONS
   ============================================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.625rem 1.25rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
}

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

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--color-border);
}

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

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
}

.btn-small {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-icon {
    padding: 0.5rem;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* ============================================================================
   FORMS
   ============================================================================ */

.form-group {
    margin-bottom: var(--spacing-lg);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-card);
    color: var(--color-text);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

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

.form-group input::placeholder {
    color: var(--color-text-light);
}

.form-hint {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.form-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.form-section h3 {
    font-size: 1rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

/* PIN Input */
.pin-input {
    text-align: center;
    font-size: 1.5rem;
    letter-spacing: 0.5rem;
    font-family: monospace;
}

/* ============================================================================
   ALERTS & MESSAGES
   ============================================================================ */

.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.alert-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

.alert-success {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #166534;
}

.alert-warning {
    background: #fffbeb;
    border: 1px solid #fde68a;
    color: #92400e;
}

.alert-info {
    background: var(--color-primary-light);
    border: 1px solid #a7f3d0;
    color: var(--color-primary-dark);
}

.alert-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* ============================================================================
   CARDS & PANELS
   ============================================================================ */

.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2 {
    font-size: 1.125rem;
    margin: 0;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
}

/* ============================================================================
   STATS GRID
   ============================================================================ */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.stat-icon.users,
.stat-icon.personen {
    background: #dbeafe;
    color: #2563eb;
}

.stat-icon.sessions,
.stat-icon.aktiv {
    background: #d1fae5;
    color: #059669;
}

.stat-icon.locked,
.stat-icon.inaktiv {
    background: #fef3c7;
    color: #d97706;
}

.stat-icon.firmen {
    background: #e0e7ff;
    color: #4f46e5;
}

.stat-icon.mieter {
    background: #fce7f3;
    color: #db2777;
}

.stat-icon.interessenten {
    background: #cffafe;
    color: #0891b2;
}

.stat-content h3 {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
}

/* ============================================================================
   TABELLEN
   ============================================================================ */

.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

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

th {
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--color-bg);
}

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

/* ============================================================================
   BADGES
   ============================================================================ */

.badge {
    display: inline-flex;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
}

.badge-admin {
    background: #fef3c7;
    color: #92400e;
}

.badge-verwalter {
    background: #dbeafe;
    color: #1e40af;
}

.badge-anwender {
    background: #d1fae5;
    color: #065f46;
}

.badge-leser {
    background: #f1f5f9;
    color: #475569;
}

.badge-gesperrt,
.badge-inaktiv {
    background: #fef2f2;
    color: #991b1b;
}

.badge-aktiv {
    background: #d1fae5;
    color: #065f46;
}

.badge-interessent {
    background: #cffafe;
    color: #0891b2;
}

.badge-bewerber {
    background: #fef3c7;
    color: #92400e;
}

.badge-mieter {
    background: #d1fae5;
    color: #065f46;
}

.badge-ex-mieter {
    background: #f1f5f9;
    color: #475569;
}

.badge-buerge {
    background: #e0e7ff;
    color: #4f46e5;
}

.firmen-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.firma-tag {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.firma-tag.alle {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

.actions {
    display: flex;
    gap: var(--spacing-xs);
}

/* ============================================================================
   MODAL
   ============================================================================ */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: auto;
    transform: scale(0.95);
    transition: transform 0.2s ease;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal.modal-large {
    max-width: 700px;
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.25rem;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

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

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

/* ============================================================================
   TABS
   ============================================================================ */

.tabs {
    display: flex;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-lg);
}

.tab {
    padding: var(--spacing-sm) var(--spacing-md);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.15s ease;
}

.tab:hover {
    color: var(--color-text);
}

.tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ============================================================================
   CHECKBOX GROUP (Firmen-Auswahl)
   ============================================================================ */

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-sm);
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.15s ease;
}

.checkbox-item:hover {
    background: var(--color-bg);
}

.checkbox-item input[type="checkbox"] {
    width: auto;
}

.checkbox-item label {
    margin: 0;
    font-weight: 400;
    cursor: pointer;
}

.checkbox-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.alle-firmen-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* ============================================================================
   FILTER & SUCHE
   ============================================================================ */

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-md);
}

.filter-bar input,
.filter-bar select {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-card);
}

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

.search-input {
    flex: 1;
    min-width: 200px;
}

/* ============================================================================
   PAGINATION
   ============================================================================ */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.pagination button {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    background: var(--color-bg-card);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.875rem;
}

.pagination button:hover:not(:disabled) {
    background: var(--color-bg);
}

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

.pagination-info {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* ============================================================================
   FIRMEN GRID (Firmen-Service spezifisch)
   ============================================================================ */

.firmen-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.firma-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: box-shadow 0.15s ease;
}

.firma-card:hover {
    box-shadow: var(--shadow-md);
}

.firma-card-header {
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 1px solid var(--color-border);
}

.firma-card-body {
    padding: var(--spacing-lg);
}

.firma-card-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

/* ============================================================================
   ASSET UPLOAD (Firmen-Service spezifisch)
   ============================================================================ */

.asset-upload-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.asset-upload-item {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    cursor: pointer;
    transition: all 0.15s ease;
}

.asset-upload-item:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.asset-preview {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.asset-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.asset-preview-icon {
    font-size: 2rem;
    color: var(--color-text-light);
}

.asset-label {
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.asset-hint {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ============================================================================
   BANKVERBINDUNGEN LISTE
   ============================================================================ */

.bank-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.bank-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.bank-item.is-standard {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.bank-item-info {
    flex: 1;
}

.bank-item-name {
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.bank-item-iban {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-family: monospace;
}

.bank-item-actions {
    display: flex;
    gap: var(--spacing-xs);
}

/* ============================================================================
   RESPONSIVE
   ============================================================================ */

@media (max-width: 768px) {
    .app-header {
        padding: var(--spacing-md);
    }

    .main-content {
        padding: var(--spacing-md);
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .header-content h1 {
        font-size: 1.25rem;
    }

    th, td {
        padding: var(--spacing-sm);
        font-size: 0.8125rem;
    }

    .actions {
        flex-direction: column;
    }

    .filter-bar {
        flex-direction: column;
    }

    .firmen-grid {
        grid-template-columns: 1fr;
    }

    .asset-upload-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ============================================================================
   UTILITY
   ============================================================================ */

.hidden {
    display: none !important;
}

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

.text-muted {
    color: var(--color-text-muted);
}

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

.text-danger {
    color: var(--color-danger);
}

.mt-1 { margin-top: var(--spacing-md); }
.mt-2 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-md); }
.mb-2 { margin-bottom: var(--spacing-lg); }
.mr-1 { margin-right: var(--spacing-md); }
.ml-1 { margin-left: var(--spacing-md); }

/* ============================================================================
   FIRMEN-KARTEN - FIX für gleichmäßiges Layout (Patch 2026-01-18)
   ============================================================================ */

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

.firma-card {
    display: flex;
    flex-direction: column;
    min-height: 380px;
}

.firma-card-header {
    min-height: 90px;
}

.firma-card-header h3 {
    font-family: 'Barlow Condensed', sans-serif;
}

.firma-card-body {
    flex: 1;
}

.firma-card-body strong {
    font-family: 'Barlow Condensed', sans-serif;
}

.firma-card-footer {
    margin-top: auto;
}

@media (max-width: 768px) {
    .firmen-grid { grid-template-columns: 1fr; }
    .firma-card { min-height: auto; }
}

/* FIX: Header-Bereich fixe Höhe für gleichmäßigen Trennstrich */
.firma-card-header {
    min-height: 100px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.firma-card-header > div:first-child {
    flex: 1;
    min-height: 70px;
}