/* ==========================================================================
   BrotBoard Design System — Clean Grey/White Engineering Aesthetic
   ========================================================================== */

:root {
    --bg-page: #F8F9FA;
    --bg-surface: #FFFFFF;
    --bg-surface-subtle: #F3F4F6;
    --bg-hover: #E5E7EB;
    
    --border-color: #E5E7EB;
    --border-strong: #D1D5DB;
    
    --text-primary: #111827;
    --text-secondary: #4B5563;
    --text-muted: #9CA3AF;
    
    --accent-primary: #1F2937;
    --accent-hover: #111827;
    
    --color-danger: #EF4444;
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-info: #2563EB;
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    
    --shadow-subtle: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-card: 0 1px 3px 0 rgba(0, 0, 0, 0.08), 0 1px 2px 0 rgba(0, 0, 0, 0.04);
    --shadow-float: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
}

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

body, html {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: var(--font-sans);
    background-color: var(--bg-page);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    font-size: 13px;
    line-height: 1.4;
}

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

/* ==========================================================================
   Top Navigation
   ========================================================================== */

.top-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 48px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 0 16px;
    z-index: 20;
    user-select: none;
}

.nav-left, .nav-center, .nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.brand-mark {
    width: 10px;
    height: 10px;
    border-radius: 2px;
    background: #111827;
}

.brand-tag {
    font-size: 10px;
    font-weight: 500;
    color: var(--text-muted);
    background: var(--bg-surface-subtle);
    padding: 1px 5px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.divider {
    width: 1px;
    height: 20px;
    background-color: var(--border-color);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--color-success);
}

.status-dot.simulating {
    background: #3B82F6;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.8; }
    50% { transform: scale(1.15); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.8; }
}

/* Tool Buttons & Colors */
.tool-group {
    display: flex;
    background: var(--bg-surface-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2px;
    gap: 2px;
}

.tool-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.tool-btn:hover {
    color: var(--text-primary);
    background: rgba(0,0,0,0.04);
}

.tool-btn.active {
    background: var(--bg-surface);
    color: var(--text-primary);
    box-shadow: var(--shadow-subtle);
}

.color-palette {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-surface-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 3px 8px;
}

.palette-label {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
}

.color-dot-auto {
    font-size: 10px;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.15s ease;
    margin-right: 2px;
}

.color-dot-auto:hover {
    color: var(--text-primary);
    border-color: #111827;
}

.color-dot-auto.active {
    background: #111827;
    color: #FFFFFF;
    border-color: #111827;
}

.color-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--c);
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 0.1s ease, border-color 0.15s ease;
}

.color-dot:hover {
    transform: scale(1.15);
}

.color-dot.active {
    border-color: #111827;
    box-shadow: 0 0 0 1px var(--bg-surface);
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    height: 30px;
    padding: 0 12px;
    border-radius: var(--radius-md);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.action-btn.primary {
    background: #111827;
    color: #FFFFFF;
    border: 1px solid #111827;
}

.action-btn.primary:hover {
    background: #1F2937;
}

.action-btn.primary.running {
    background: #DC2626;
    border-color: #DC2626;
}

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

.action-btn.text:hover {
    background: var(--bg-surface-subtle);
    color: var(--text-primary);
}

.zoom-controls {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--bg-surface-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2px 6px;
    font-size: 11px;
    font-family: var(--font-mono);
}

.icon-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 2px 5px;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.icon-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

/* ==========================================================================
   Main Layout
   ========================================================================== */

.main-layout {
    display: flex;
    flex: 1;
    height: calc(100vh - 48px);
    overflow: hidden;
    position: relative;
}

/* Sidebar Library (Links) */
.sidebar-library {
    width: 260px;
    background: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 10;
    user-select: none;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.component-count {
    font-size: 11px;
    font-family: var(--font-mono);
    color: var(--text-muted);
    background: var(--bg-surface-subtle);
    padding: 1px 6px;
    border-radius: 10px;
}

.library-search {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-color);
}

.library-search input {
    width: 100%;
    padding: 6px 10px;
    font-size: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-page);
    outline: none;
    color: var(--text-primary);
    transition: border-color 0.15s ease;
}

.library-search input:focus {
    border-color: #111827;
    background: #FFFFFF;
}

.library-sections {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.cat-header {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 6px;
    padding-left: 4px;
}

.component-card-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: grab;
    transition: all 0.15s ease;
    margin-bottom: 6px;
}

.component-card-item:hover {
    border-color: var(--border-strong);
    background: var(--bg-surface-subtle);
    transform: translateY(-1px);
    box-shadow: var(--shadow-subtle);
}

.card-item-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.card-item-title {
    font-weight: 500;
    font-size: 12px;
    color: var(--text-primary);
}

.card-item-desc {
    font-size: 11px;
    color: var(--text-muted);
}

.card-item-pins-badge {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-secondary);
    background: var(--bg-surface-subtle);
    border: 1px solid var(--border-color);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-page);
}

.hint-box {
    display: flex;
    gap: 8px;
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* ==========================================================================
   Canvas Viewport
   ========================================================================== */

.canvas-viewport {
    flex: 1;
    position: relative;
    background: #F9FAFB;
    overflow: hidden;
    cursor: default;
}

#circuit-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
}

.canvas-overlay-hints {
    position: absolute;
    bottom: 12px;
    left: 16px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(4px);
    border: 1px solid var(--border-color);
    padding: 4px 10px;
    border-radius: var(--radius-md);
    font-size: 11px;
    color: var(--text-muted);
    display: flex;
    gap: 8px;
    pointer-events: none;
    user-select: none;
}

/* Pin Tooltip */
.pin-tooltip {
    position: absolute;
    z-index: 50;
    background: #111827;
    color: #F9FAFB;
    border-radius: var(--radius-md);
    padding: 6px 10px;
    pointer-events: none;
    font-size: 11px;
    box-shadow: var(--shadow-float);
    transform: translate(12px, 12px);
    min-width: 130px;
}

.tooltip-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 2px;
}

.tooltip-pin-name {
    font-family: var(--font-mono);
    font-weight: 600;
    color: #FFFFFF;
}

.tooltip-badge {
    font-size: 9px;
    font-weight: 600;
    background: #374151;
    padding: 1px 4px;
    border-radius: 3px;
    color: #9CA3AF;
}

.tooltip-desc {
    color: #9CA3AF;
    font-size: 10px;
    margin-bottom: 2px;
}

.tooltip-voltage {
    font-family: var(--font-mono);
    font-size: 10px;
    color: #60A5FA;
}

/* ==========================================================================
   Sidebar Inspector (Rechts)
   ========================================================================== */

.sidebar-inspector {
    width: 280px;
    background: var(--bg-surface);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 10;
    user-select: none;
    overflow-y: auto;
}

.sidebar-inspector.collapsed {
    display: none;
}

.inspector-section {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
}

.section-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.status-alerts {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.alert-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 8px 10px;
    border-radius: var(--radius-md);
    font-size: 11px;
    line-height: 1.4;
}

.alert-item.success {
    background: #ECFDF5;
    color: #065F46;
    border: 1px solid #A7F3D0;
}

.alert-item.error {
    background: #FEF2F2;
    color: #991B1B;
    border: 1px solid #FECACA;
}

.alert-item.warning {
    background: #FFFBEB;
    color: #92400E;
    border: 1px solid #FDE68A;
}

.alert-item.info {
    background: #EFF6FF;
    color: #1E40AF;
    border: 1px solid #BFDBFE;
}

.alert-icon {
    font-weight: bold;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.metric-card {
    background: var(--bg-surface-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px 6px;
    text-align: center;
}

.metric-value {
    font-size: 18px;
    font-weight: 600;
    font-family: var(--font-mono);
    color: var(--text-primary);
}

.metric-label {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 2px;
}

.pin-state-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-height: 200px;
    overflow-y: auto;
}

.empty-state {
    font-size: 11px;
    color: var(--text-muted);
    text-align: center;
    padding: 16px 8px;
    line-height: 1.4;
}

.pin-state-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 8px;
    background: var(--bg-surface-subtle);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 11px;
}

.pin-state-name {
    color: var(--text-secondary);
}

.pin-state-badge {
    font-size: 10px;
    padding: 1px 5px;
    border-radius: 3px;
    font-weight: 600;
}

.pin-state-badge.high {
    background: #DCFCE7;
    color: #15803D;
}

.pin-state-badge.low {
    background: #F3F4F6;
    color: #4B5563;
}

/* ==========================================================================
   Custom Component Creator Modal & Form Styles
   ========================================================================== */

.sidebar-title-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.action-btn.sm {
    height: 24px;
    padding: 0 8px;
    font-size: 11px;
}

.card-item-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.btn-delete-comp {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 12px;
    padding: 2px 4px;
    border-radius: var(--radius-sm);
    opacity: 0.6;
    transition: all 0.15s ease;
}

.component-card-item:hover .btn-delete-comp {
    opacity: 1;
}

.btn-delete-comp:hover {
    background: #FEE2E2;
    color: #DC2626;
}

.custom-tag {
    font-size: 9px;
    padding: 1px 4px;
    background: #EEF2F6;
    color: #475569;
    border-radius: 2px;
    border: 1px solid #CBD5E1;
}

/* Modal Backdrop & Dialog */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(17, 24, 39, 0.4);
    backdrop-filter: blur(2px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.modal-dialog {
    width: 580px;
    max-width: 90vw;
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-float);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-subtitle {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
}

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

.modal-form {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.form-row {
    display: flex;
    gap: 12px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.form-group.flex-1 { flex: 1; }
.form-group.flex-2 { flex: 2; }

.form-group label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input, .form-group select {
    padding: 6px 10px;
    font-size: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: #FFFFFF;
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.15s ease;
}

.form-group input:focus, .form-group select:focus {
    border-color: #111827;
}

/* Pin-Konfigurator Tabelle */
.pins-config-section {
    background: var(--bg-surface-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pins-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.pins-section-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pins-table-header {
    display: grid;
    grid-template-columns: 2fr 1.8fr 1.2fr 1.5fr 30px;
    gap: 8px;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    padding: 0 4px;
}

.pins-list-container {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 190px;
    overflow-y: auto;
}

.pin-row {
    display: grid;
    grid-template-columns: 2fr 1.8fr 1.2fr 1.5fr 30px;
    gap: 8px;
    align-items: center;
}

.pin-row input, .pin-row select {
    padding: 4px 6px;
    font-size: 11px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: #FFFFFF;
    color: var(--text-primary);
    outline: none;
}

.pin-row input:focus, .pin-row select:focus {
    border-color: #111827;
}

.pin-remove-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 24px;
    border-radius: var(--radius-sm);
}

.pin-remove-btn:hover {
    background: #FEE2E2;
    color: #DC2626;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 10px;
    padding-top: 14px;
    border-top: 1px solid var(--border-color);
}

/* ==========================================================================
   Project Header & Inline Rename
   ========================================================================== */

/* Buttons, die nur eingeloggt genutzt werden können */
.auth-only {
    display: none !important;
}

body.user-authenticated .auth-only {
    display: inline-flex !important;
}

body.user-authenticated button.auth-only {
    display: inline-flex !important;
}

body.user-authenticated button.icon-btn-inline.auth-only {
    display: inline-flex !important;
}

.project-header-info {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    background: var(--bg-surface-subtle);
    border: 1px solid var(--border-color);
    transition: all 0.15s ease;
    max-width: 260px;
}

body.user-authenticated .project-header-info {
    cursor: pointer;
}

body.user-authenticated .project-header-info:hover {
    background: var(--bg-hover);
    border-color: var(--border-strong);
}

.project-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.icon-btn-inline {
    background: none;
    border: none;
    font-size: 11px;
    cursor: pointer;
    opacity: 0.6;
    padding: 0 2px;
    transition: opacity 0.15s ease;
}

.icon-btn-inline:hover {
    opacity: 1;
}

/* ==========================================================================
   User Navigation & Auth States
   ========================================================================== */

.auth-nav-container {
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
}

.btn-auth-trigger {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    background: var(--bg-surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    font-size: 12px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.15s ease;
    box-shadow: var(--shadow-subtle);
}

.btn-auth-trigger:hover {
    background: var(--bg-surface-subtle);
    border-color: var(--accent-primary);
}

.guest-indicator {
    font-size: 11px;
    color: var(--text-muted);
    background: var(--bg-surface-subtle);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    border: 1px dashed var(--border-color);
}

/* User Profile Pill & Dropdown */
.user-profile-menu {
    position: relative;
}

.user-pill-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 3px 10px 3px 4px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.user-pill-btn:hover {
    background: var(--bg-surface-subtle);
    border-color: var(--border-strong);
}

.user-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #1F2937;
    color: #FFFFFF;
    font-size: 11px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    text-transform: uppercase;
}

.user-name {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-primary);
    max-width: 110px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-caret {
    font-size: 9px;
    color: var(--text-muted);
    transition: transform 0.15s ease;
}

.user-dropdown-popup {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 220px;
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-float);
    padding: 6px;
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.dropdown-user-header {
    padding: 8px 10px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 4px;
}

.dropdown-user-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
}

.dropdown-user-email {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 7px 10px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--text-primary);
    cursor: pointer;
    text-align: left;
    transition: background-color 0.1s ease;
}

.dropdown-item:hover {
    background: var(--bg-surface-subtle);
}

.dropdown-item.danger {
    color: var(--color-danger);
}

.dropdown-item.danger:hover {
    background: #FEF2F2;
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 4px 0;
}

/* ==========================================================================
   Auth Modal Styling
   ========================================================================== */

.auth-dialog {
    width: 440px;
}

.auth-brand-badge {
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--color-info);
    margin-bottom: 2px;
}

.auth-context-notice {
    margin: 14px 20px 0 20px;
    padding: 10px 12px;
    background: #EFF6FF;
    border: 1px solid #BFDBFE;
    border-radius: var(--radius-md);
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 11.5px;
    line-height: 1.45;
    color: #1E40AF;
}

.notice-icon {
    font-size: 14px;
    line-height: 1;
}

.auth-tabs {
    display: flex;
    background: var(--bg-surface-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 3px;
    margin: 14px 20px 0 20px;
    gap: 4px;
}

.auth-tab-btn {
    flex: 1;
    padding: 6px 12px;
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
}

.auth-tab-btn.active {
    background: #FFFFFF;
    color: var(--text-primary);
    font-weight: 600;
    box-shadow: var(--shadow-subtle);
}

.auth-alert {
    margin: 12px 20px 0 20px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 11.5px;
    line-height: 1.4;
}

.auth-alert.error {
    background: #FEF2F2;
    border: 1px solid #FCA5A5;
    color: #991B1B;
}

.auth-alert.success {
    background: #ECFDF5;
    border: 1px solid #A7F3D0;
    color: #065F46;
}

.auth-form {
    padding: 16px 20px 20px 20px;
}

.auth-footer {
    margin-top: 8px;
    padding-top: 12px;
}

.auth-quick-demo {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px dashed var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--text-muted);
}

.btn-demo-login {
    background: #F3F4F6;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    padding: 5px 12px;
    font-size: 11.5px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-demo-login:hover {
    background: #E5E7EB;
    border-color: #9CA3AF;
}

/* ==========================================================================
   Project Manager Modal ("Meine Schaltungen")
   ========================================================================== */

.projects-dialog {
    width: 640px;
}

.projects-modal-body {
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.projects-toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
}

.projects-toolbar input {
    flex: 1;
    padding: 7px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 12px;
    outline: none;
}

.projects-toolbar input:focus {
    border-color: var(--accent-primary);
}

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

.action-btn.secondary:hover {
    background: var(--bg-hover);
}

.projects-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 360px;
    overflow-y: auto;
    padding-right: 4px;
}

.project-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all 0.15s ease;
}

.project-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-subtle);
    background: #FAFAFA;
}

.project-card-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.project-card-title-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.project-card-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.project-card-active-tag {
    font-size: 9.5px;
    font-weight: 600;
    color: #065F46;
    background: #D1FAE5;
    padding: 1px 6px;
    border-radius: 10px;
}

.project-card-meta {
    font-size: 11px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 12px;
}

.project-card-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-open-proj {
    padding: 5px 12px;
    font-size: 11.5px;
    background: #1F2937;
    color: #FFFFFF;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.15s ease;
}

.btn-open-proj:hover {
    background: #111827;
}

.btn-del-proj {
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    padding: 4px 6px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-del-proj:hover {
    background: #FEE2E2;
    color: #DC2626;
    border-color: #FCA5A5;
}

/* ==========================================================================
   Rename Modal
   ========================================================================== */

.rename-dialog {
    width: 400px;
}

/* ==========================================================================
   Toast Notifications
   ========================================================================== */

.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast-item {
    pointer-events: auto;
    background: #1F2937;
    color: #FFFFFF;
    padding: 10px 16px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-float);
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: toastSlideIn 0.25s ease-out;
    max-width: 360px;
}

.toast-item.success {
    background: #064E3B;
    border-left: 4px solid #10B981;
}

.toast-item.error {
    background: #7F1D1D;
    border-left: 4px solid #EF4444;
}

.toast-item.info {
    background: #1E3A8A;
    border-left: 4px solid #3B82F6;
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateY(16px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ==========================================================================
   Intelligenter Autorouter — Styles
   ========================================================================== */

.auto-route-btn {
    background: #1F2937;
    color: #FFFFFF;
    border: 1px solid #374151;
    font-weight: 600;
    box-shadow: var(--shadow-subtle);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.auto-route-btn svg {
    color: #38BDF8;
    transition: transform 0.25s ease;
}

.auto-route-btn:hover {
    background: #111827;
    border-color: #4B5563;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}

.auto-route-btn:hover svg {
    transform: scale(1.15) rotate(5deg);
    color: #60A5FA;
}

/* Inspector Card */
.autoroute-inspector-card {
    background: var(--bg-surface-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.autoroute-inspector-desc {
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.w-full {
    width: 100%;
    justify-content: center;
}

/* Autoroute Modal Dialog */
.autoroute-dialog {
    max-width: 680px;
    width: 95vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.autoroute-badge {
    background: #EFF6FF;
    color: #1D4ED8;
    border: 1px solid #BFDBFE;
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 10px;
    font-weight: 600;
    margin-bottom: 4px;
}

.autoroute-modal-body {
    overflow-y: auto;
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex: 1;
}

.autoroute-toggles {
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: var(--bg-surface-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px;
}

.toggle-checkbox-row {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    user-select: none;
}

.toggle-checkbox-row input[type="checkbox"] {
    margin-top: 3px;
    cursor: pointer;
    width: 15px;
    height: 15px;
    accent-color: #111827;
}

.toggle-label-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.toggle-label-content strong {
    font-size: 12px;
    color: var(--text-primary);
}

.toggle-label-content span {
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.35;
}

.detected-devices-box {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px;
}

.box-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.detected-devices-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.detected-device-chip {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 4px 8px;
    font-size: 12px;
    box-shadow: var(--shadow-subtle);
}

.detected-device-chip .chip-type {
    font-size: 10px;
    padding: 1px 4px;
    border-radius: 2px;
    background: var(--bg-surface-subtle);
    color: var(--text-muted);
}

/* Results Panel */
.autoroute-results-panel {
    display: flex;
    flex-direction: column;
    gap: 16px;
    animation: fadeIn 0.2s ease;
}

.results-header-status {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #ECFDF5;
    border: 1px solid #A7F3D0;
    border-radius: var(--radius-md);
    padding: 12px 16px;
}

.results-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #10B981;
    color: #FFFFFF;
    font-weight: bold;
    font-size: 14px;
}

.results-title-group h4 {
    font-size: 13px;
    font-weight: 600;
    color: #065F46;
    margin-bottom: 2px;
}

.results-title-group p {
    font-size: 11px;
    color: #047857;
}

.results-sections {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

.results-section h5 {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.connections-list, .protected-pins-list {
    max-height: 220px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-surface);
}

.connection-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-color);
    font-size: 12px;
    gap: 8px;
}

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

.conn-left {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.conn-wire-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.conn-path {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 11px;
}

.conn-node {
    font-weight: 600;
    color: var(--text-primary);
}

.conn-pin {
    color: var(--text-secondary);
}

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

.conn-badge {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    background: var(--bg-surface-subtle);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    white-space: nowrap;
}

.conn-explanation {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.protected-pin-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-color);
    font-size: 11px;
}

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

.shield-badge {
    background: #FEF3C7;
    color: #92400E;
    border: 1px solid #FDE68A;
    font-weight: 600;
    font-family: var(--font-mono);
    padding: 1px 6px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

.protected-pin-reason {
    color: var(--text-secondary);
    line-height: 1.35;
}

/* Warning State for Pin Shortage */
.results-header-status.warning {
    background: #FFFBEB;
    border-color: #FCD34D;
}

.results-header-status.warning .results-icon {
    background: #F59E0B;
}

.results-header-status.warning .results-title-group h4 {
    color: #92400E;
}

.results-header-status.warning .results-title-group p {
    color: #B45309;
}

.results-header-status.error {
    background: #FEF2F2;
    border-color: #FECACA;
}

.results-header-status.error .results-icon {
    background: #EF4444;
}

.results-header-status.error .results-title-group h4 {
    color: #991B1B;
}

.results-header-status.error .results-title-group p {
    color: #B91C1C;
}

.section-title-warning {
    color: #DC2626 !important;
}

.unrouted-pins-list {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid #FECACA;
    border-radius: var(--radius-md);
    background: #FFF5F5;
}

.unrouted-pin-item {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 8px 12px;
    border-bottom: 1px solid #FEE2E2;
    font-size: 11px;
    gap: 8px;
}

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

.unrouted-pin-badge {
    background: #FEE2E2;
    color: #991B1B;
    border: 1px solid #FCA5A5;
    font-weight: 600;
    font-family: var(--font-mono);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

.unrouted-pin-reason {
    color: #7F1D1D;
    line-height: 1.35;
    margin-top: 2px;
}