/**
 * SendConnect - Modern Professional Design
 * Complete redesign with Light/Dark Mode
 */

@import url('./design-system.css');

/* === Layout === */
.app-container {
    display: flex;
    min-height: 100vh;
    background-color: var(--color-bg-secondary);
}

/* === Sidebar === */
.sidebar {
    width: 260px;
    background-color: var(--color-sidebar-bg);
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    overflow-y: auto;
    z-index: var(--z-fixed);
    border-right: 1px solid var(--color-border);
    transition: background-color var(--transition-base), border-color var(--transition-base);
}

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

.navbar-logo {
    height: 120px;
    width: auto;
    object-fit: contain;
}

.sidebar-brand {
    color: var(--color-sidebar-text-active);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.sidebar-nav {
    padding: var(--space-md) 0;
}

.sidebar-nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    color: var(--color-sidebar-text);
    text-decoration: none;
    transition: all var(--transition-base);
    border-left: 3px solid transparent;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
}

.sidebar-nav-item:hover {
    background-color: var(--color-sidebar-hover);
    color: var(--color-sidebar-text-active);
    border-left-color: var(--color-sidebar-active);
}

.sidebar-nav-item.active {
    background-color: var(--color-sidebar-hover);
    color: var(--color-sidebar-text-active);
    border-left-color: var(--color-sidebar-active);
}

.sidebar-nav-item i {
    font-size: var(--font-size-lg);
    width: 20px;
    text-align: center;
}

/* Theme Switcher in Sidebar */
.theme-switcher {
    margin: var(--space-lg);
    padding: var(--space-md);
    background-color: var(--color-sidebar-hover);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: background-color var(--transition-base);
}

.theme-switcher:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.theme-switcher-label {
    color: var(--color-sidebar-text);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.theme-toggle {
    width: 48px;
    height: 24px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    position: relative;
    transition: background-color var(--transition-base);
}

.theme-toggle::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    background-color: white;
    border-radius: var(--radius-full);
    top: 3px;
    left: 3px;
    transition: transform var(--transition-base);
}

[data-theme="dark"] .theme-toggle::after {
    transform: translateX(24px);
}

/* === Main Content === */
.main-content {
    margin-left: 260px;
    flex: 1;
    padding: var(--space-2xl);
    max-width: calc(100% - 260px);
    min-height: 100vh;
}

/* === Sections === */
.section {
    background-color: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    margin-bottom: var(--space-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: background-color var(--transition-base), border-color var(--transition-base);
}

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

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.section-title i {
    color: var(--color-accent-primary);
}

/* === Dashboard Stats (Simplified) === */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.stat-card {
    background-color: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

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

.stat-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.stat-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    background-color: var(--color-accent-primary-light);
    color: var(--color-accent-primary);
}

.stat-card-value {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}

.stat-card-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-card-change {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    margin-top: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    line-height: 1.5;
}

.btn:focus {
    outline: 2px solid var(--color-accent-primary);
    outline-offset: 2px;
}

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

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

.btn-secondary {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

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

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

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

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

.btn-danger:hover {
    background-color: var(--color-error-dark);
}

.btn-sm {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-size-base);
}

/* === Forms === */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.form-control,
.form-select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

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

.form-control::placeholder {
    color: var(--color-text-tertiary);
}

.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.form-check-input {
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
}

.form-check-input:checked {
    background-color: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
}

.form-check-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    cursor: pointer;
}

/* === Cards === */
.card {
    background-color: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.card-header {
    padding: var(--space-lg);
    background-color: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

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

/* === Tables === */
.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--color-bg-primary);
}

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

.table thead th {
    padding: var(--space-md) var(--space-lg);
    text-align: left;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--color-border);
}

.table tbody tr {
    border-bottom: 1px solid var(--color-border-subtle);
    transition: background-color var(--transition-fast);
}

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

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

.table tbody td {
    padding: var(--space-md) var(--space-lg);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
}

/* === Badges === */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background-color: var(--color-success-light);
    color: var(--color-success-dark);
}

.badge-warning {
    background-color: var(--color-warning-light);
    color: var(--color-warning-dark);
}

.badge-error {
    background-color: var(--color-error-light);
    color: var(--color-error-dark);
}

.badge-info {
    background-color: var(--color-info-light);
    color: var(--color-info-dark);
}

.badge-primary {
    background-color: var(--color-accent-primary-light);
    color: var(--color-accent-primary-dark);
}

/* === Modals === */
.modal-backdrop {
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal {
    z-index: var(--z-modal);
}

.modal-dialog {
    max-width: 600px;
    margin: 1.75rem auto;
    position: relative;
}

.modal-dialog-centered {
    display: flex;
    align-items: center;
    min-height: calc(100% - 3.5rem);
}

.modal-dialog-scrollable {
    max-height: calc(100% - 3.5rem);
}

.modal-dialog-scrollable .modal-content {
    max-height: calc(100vh - 3.5rem);
}

.modal-content {
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 3.5rem);
    overflow: hidden;
}

.modal-header {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin: 0;
}

.modal-body {
    padding: var(--space-lg);
    overflow-y: auto;
    flex: 1;
    min-height: 0;
    max-height: calc(100vh - 180px);
}

/* Template Preview Modal spezifische Styles */
#templatePreviewModal .modal-body {
    padding: 0;
    overflow: visible;
}

#templatePreviewModal iframe {
    display: block;
}

.modal-footer {
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-md);
    flex-shrink: 0;
}

/* Große Modals (nur für spezielle Fälle) */
.modal-xl {
    max-width: 900px;
}

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

/* Responsive Modals */
@media (max-width: 768px) {
    .modal-dialog {
        max-width: calc(100% - 2rem);
        margin: 1rem auto;
    }
    
    .modal-xl {
        max-width: calc(100% - 2rem);
    }
    
    .modal-lg {
        max-width: calc(100% - 2rem);
    }
}

.btn-close {
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

/* === Alerts === */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid;
    margin-bottom: var(--space-lg);
}

.alert-success {
    background-color: var(--color-success-light);
    border-color: var(--color-success);
    color: var(--color-success-dark);
}

.alert-warning {
    background-color: var(--color-warning-light);
    border-color: var(--color-warning);
    color: var(--color-warning-dark);
}

.alert-error {
    background-color: var(--color-error-light);
    border-color: var(--color-error);
    color: var(--color-error-dark);
}

.alert-info {
    background-color: var(--color-info-light);
    border-color: var(--color-info);
    color: var(--color-info-dark);
}

/* === Toasts === */
.toast {
    background-color: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--space-sm);
    animation: fadeIn var(--transition-base) ease-out;
}

.toast-header {
    background-color: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md) var(--space-lg);
    font-weight: var(--font-weight-medium);
    display: flex;
    align-items: center;
    color: var(--color-text-primary);
}

.toast-success .toast-header {
    background-color: var(--color-success-light);
    color: var(--color-success-dark);
    border-bottom-color: var(--color-success);
}

.toast-error .toast-header {
    background-color: var(--color-error-light);
    color: var(--color-error-dark);
    border-bottom-color: var(--color-error);
}

.toast-warning .toast-header {
    background-color: var(--color-warning-light);
    color: var(--color-warning-dark);
    border-bottom-color: var(--color-warning);
}

.toast-info .toast-header {
    background-color: var(--color-info-light);
    color: var(--color-info-dark);
    border-bottom-color: var(--color-info);
}

.toast-body {
    padding: var(--space-lg);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
}

/* === Progress Bars === */
.progress {
    height: 8px;
    background-color: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--color-accent-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

/* === Empty States === */
.empty-state {
    text-align: center;
    padding: var(--space-3xl);
    color: var(--color-text-secondary);
}

.empty-state-icon {
    font-size: var(--font-size-4xl);
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-lg);
}

.empty-state-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.empty-state-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* === Responsive === */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-base);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        max-width: 100%;
        padding: var(--space-lg);
    }
    
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: var(--space-lg);
    }
}

/* === Scrollbar === */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border-strong);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-tertiary);
}

/* === Focus States === */
*:focus-visible {
    outline: 2px solid var(--color-accent-primary);
    outline-offset: 2px;
}

/* === Animations === */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.fade-in {
    animation: fadeIn var(--transition-slow) ease-out;
}

/* === Spam Score Styles === */
.spam-score-good {
    color: var(--color-success);
    font-weight: var(--font-weight-semibold);
}

.spam-score-medium {
    color: var(--color-warning);
    font-weight: var(--font-weight-semibold);
}

.spam-score-bad {
    color: var(--color-error);
    font-weight: var(--font-weight-semibold);
}

/* === Live Campaign Styles === */
.live-campaign-card {
    border-left: 3px solid var(--color-accent-primary);
    animation: fadeIn var(--transition-slow) ease-out;
}

.live-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.live-stat-item {
    text-align: center;
    padding: var(--space-md);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-md);
}

.live-stat-value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

.live-stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: var(--space-xs);
}

.live-progress-container {
    position: relative;
    height: 12px;
    background-color: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-top: var(--space-md);
}

.live-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent-primary) 0%, var(--color-accent-secondary) 100%);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-xs);
    position: relative;
    overflow: hidden;
}

/* === Code Blocks === */
code {
    background-color: var(--color-bg-tertiary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-family: var(--font-family-mono);
    font-size: var(--font-size-sm);
    color: var(--color-accent-primary);
}

/* === Input Groups === */
.input-group {
    display: flex;
    gap: var(--space-sm);
    align-items: stretch;
}

.input-group .form-control {
    flex: 1;
}

.input-group .btn {
    white-space: nowrap;
}

/* === Nav Tabs === */
.nav-tabs {
    border-bottom: 1px solid var(--color-border);
    display: flex;
    gap: var(--space-sm);
}

.nav-tabs .nav-link {
    padding: var(--space-md) var(--space-lg);
    border: none;
    border-bottom: 2px solid transparent;
    background: none;
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-base);
}

.nav-tabs .nav-link:hover {
    color: var(--color-text-primary);
    border-bottom-color: var(--color-border);
}

.nav-tabs .nav-link.active {
    color: var(--color-accent-primary);
    border-bottom-color: var(--color-accent-primary);
}

/* === Template File Cards === */
.template-file-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    background-color: var(--color-bg-elevated);
    cursor: pointer;
}

.template-file-card:hover {
    border-color: var(--color-accent-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.template-file-card.border-primary {
    border-color: var(--color-accent-primary);
    background-color: var(--color-accent-primary-light);
    box-shadow: var(--shadow-md);
}

/* === Loading States === */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-accent-primary);
    border-radius: var(--radius-full);
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* === Bootstrap Compatibility (for Modals) === */
.mb-3 { margin-bottom: var(--space-lg); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }
.ms-2 { margin-left: var(--space-sm); }
.me-2 { margin-right: var(--space-sm); }
.me-auto { margin-right: auto; }
.p-3 { padding: var(--space-lg); }
.text-muted { color: var(--color-text-secondary); }
.text-center { text-align: center; }
.d-flex { display: flex; }
.justify-content-between { justify-content: space-between; }
.align-items-center { align-items: center; }
.gap-2 { gap: var(--space-sm); }
.flex-wrap { flex-wrap: wrap; }
.row { display: flex; flex-wrap: wrap; margin-left: calc(var(--space-md) * -1); margin-right: calc(var(--space-md) * -1); }
.col-md-6 { flex: 0 0 50%; max-width: 50%; padding-left: var(--space-md); padding-right: var(--space-md); }
@media (max-width: 768px) {
    .col-md-6 { flex: 0 0 100%; max-width: 100%; }
}

/* === Modal Verbesserungen === */
.modal.show {
    display: flex !important;
    align-items: center;
    justify-content: center;
}

.modal.fade .modal-dialog {
    transition: transform 0.3s ease-out;
    transform: translate(0, -50px);
}

.modal.show .modal-dialog {
    transform: none;
}

/* Scrollbare Bereiche in Modals */
.modal-body .table-responsive {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

/* Textarea in Modals */
.modal-body textarea {
    resize: vertical;
    min-height: 100px;
}

/* Form Groups in Modals */
.modal-body .form-group {
    margin-bottom: var(--space-md);
}

.modal-body .mb-3 {
    margin-bottom: var(--space-md);
}

/* === Modal Verbesserungen === */
.modal.show {
    display: flex !important;
    align-items: center;
    justify-content: center;
}

.modal.fade .modal-dialog {
    transition: transform 0.3s ease-out;
    transform: translate(0, -50px);
}

.modal.show .modal-dialog {
    transform: none;
}

/* Scrollbare Bereiche in Modals */
.modal-body .table-responsive {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

/* Textarea in Modals */
.modal-body textarea {
    resize: vertical;
    min-height: 100px;
}

/* Form Groups in Modals */
.modal-body .form-group {
    margin-bottom: var(--space-md);
}

.modal-body .mb-3 {
    margin-bottom: var(--space-md);
}