/* Common Styles for Smart Home Manager - Dark Theme */

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

:root {
    /* Dark Theme Colors */
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --primary-light: rgba(59, 130, 246, 0.1);
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    
    /* Background Colors */
    --bg-color: #0f172a;
    --bg-secondary: #1e293b;
    --card-bg: #1e293b;
    --card-hover: #334155;
    
    /* Text Colors */
    --text-color: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    /* Border Colors */
    --border-color: #334155;
    --border-hover: #475569;
    
    /* Shadows */
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
    --transition-slow: 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.05) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.05) 0px, transparent 50%);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    transition: background-color var(--transition-base);
    overflow-x: hidden;
}

html {
    overflow-x: hidden;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1rem;
    width: 100%;
}

header {
    background: var(--card-bg);
    padding: 1.5rem 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

header:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-xl);
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.header-home-link {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: inherit;
}

.header-home-link:focus-visible {
    outline: 2px solid rgba(59, 130, 246, 0.6);
    outline-offset: 4px;
    border-radius: 12px;
}

.header-logo {
    width: 64px;
    height: 64px;
    object-fit: contain;
    border-radius: 14px;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border-color);
    padding: 0.4rem;
}

.header-title {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    color: var(--text-color);
    background: linear-gradient(135deg, var(--primary-color), var(--success-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.nav-toggle {
    margin-left: auto;
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-color);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.nav-toggle:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow);
}

.nav-toggle svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

nav {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    background: var(--bg-secondary);
    padding: 0.5rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

nav a {
    padding: 0.625rem 1.25rem;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: 8px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    font-size: 0.875rem;
    white-space: nowrap;
}

nav a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-light);
    opacity: 0;
    transition: opacity var(--transition-base);
    border-radius: 8px;
}

nav a:hover {
    color: var(--primary-color);
}

nav a:hover::before {
    opacity: 1;
}

nav a.active {
    color: var(--primary-color);
    background: var(--primary-light);
    border: 1px solid rgba(59, 130, 246, 0.3);
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.1);
}

nav a.active::before {
    opacity: 1;
}

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

.section-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-color);
    letter-spacing: -0.01em;
}

.section-title-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.section-title-group h2 {
    margin: 0;
}

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

.view-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.view-toggle-btn {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    padding: 0.35rem 0.75rem;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition-base);
}

.view-toggle-btn:hover {
    color: var(--text-color);
}

.view-toggle-btn.is-active {
    background: var(--primary-color);
    color: #f8fafc;
    box-shadow: var(--shadow);
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.btn:disabled,
.btn[disabled] {
    opacity: 0.55;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}


.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(59, 130, 246, 0.5);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
    border: 1px solid rgba(100, 116, 139, 0.3);
}

.btn-secondary:hover {
    background-color: #475569;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), #dc2626);
    color: white;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(239, 68, 68, 0.5);
}

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

.btn-icon {
    padding: 0.35rem;
    width: 32px;
    height: 32px;
    justify-content: center;
    position: relative;
    overflow: visible;
}

.btn-icon svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

.btn-icon[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 50%;
    bottom: calc(100% + 8px);
    transform: translateX(-50%);
    background: rgba(15, 23, 42, 0.9);
    color: var(--text-color);
    border: 1px solid rgba(148, 163, 184, 0.35);
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    font-size: 0.7rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
    z-index: 2;
}

.btn-icon[data-tooltip]:hover::after,
.btn-icon[data-tooltip]:focus-visible::after {
    opacity: 1;
}

.empty-state {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--text-secondary);
}

.empty-state-cell .empty-state {
    padding: 2rem 1rem;
}

.empty-state-icon {
    opacity: 0.4;
    filter: grayscale(0.3);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state-text {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.empty-state-subtext {
    font-size: 0.875rem;
}

/* Form Styles */
.form-container {
    margin-bottom: 2rem;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.form-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-xl);
}

.form-page {
    margin: 0 auto;
}

.form-page .section-header {
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.form-page .form-card {
    padding: 2.5rem;
    border-radius: 18px;
    border-color: rgba(71, 85, 105, 0.7);
    background: linear-gradient(180deg, rgba(30, 41, 59, 0.95), rgba(15, 23, 42, 0.92));
    box-shadow: var(--shadow-xl);
    position: relative;
}

.form-page .form-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), transparent 50%, rgba(16, 185, 129, 0.08));
    pointer-events: none;
}

.form-page .form-card > * {
    position: relative;
    z-index: 1;
}

.form-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.form-card-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

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

.form-page .form-row {
    gap: 1.25rem;
}

.form-page .power-row {
    grid-template-columns: minmax(220px, 320px);
    justify-content: start;
}

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

.form-page .form-group label:not(.checkbox-label) {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.form-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.form-label-row label {
    margin-bottom: 0;
}

.form-help-btn {
    width: 26px;
    height: 26px;
    min-width: 26px;
    padding: 0.2rem;
}

.form-help-btn[data-tooltip]::after {
    text-transform: none;
    white-space: normal;
    width: max-content;
    max-width: min(240px, 80vw);
}

.form-page .form-group input,
.form-page .form-group select,
.form-page .form-group textarea {
    background-color: rgba(15, 23, 42, 0.9);
    border-color: rgba(51, 65, 85, 0.8);
    box-shadow: inset 0 1px 0 rgba(148, 163, 184, 0.08);
}

.form-page .form-group input:focus,
.form-page .form-group select:focus,
.form-page .form-group textarea:focus {
    background-color: rgba(15, 23, 42, 0.98);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2), inset 0 1px 0 rgba(148, 163, 184, 0.1);
}

.form-page .form-group input::placeholder,
.form-page .form-group textarea::placeholder {
    color: rgba(148, 163, 184, 0.7);
}

.form-section {
    padding: 1.5rem 1.75rem;
    border-radius: 14px;
    border: 1px solid rgba(71, 85, 105, 0.6);
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.7), rgba(30, 41, 59, 0.65));
    box-shadow: inset 0 1px 0 rgba(148, 163, 184, 0.06);
    margin-bottom: 1.5rem;
}

.form-section:last-of-type {
    margin-bottom: 0;
}

.form-section-title {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.form-section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, rgba(71, 85, 105, 0.7), transparent);
}

.form-page #power-ports-section.is-collapsed {
    display: none;
}

.form-section .form-row:last-child {
    margin-bottom: 0;
}

.form-group.is-hidden {
    visibility: hidden;
    pointer-events: none;
}

.form-group.is-collapsed {
    display: none;
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal.is-hidden {
    display: none;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-xl);
    width: min(520px, 92vw);
    padding: 1.5rem;
    display: grid;
    gap: 1rem;
    z-index: 1;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.modal-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-color);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

.dialog-message {
    color: var(--text-secondary);
    line-height: 1.6;
    white-space: pre-line;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.875rem;
    font-family: inherit;
    background-color: var(--bg-secondary);
    color: var(--text-color);
    transition: all var(--transition-base);
}

.form-group input[type="date"] {
    color-scheme: dark;
}

.form-group input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1) brightness(1.4) saturate(0);
    opacity: 0.9;
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: var(--border-hover);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    background-color: var(--card-bg);
}

.form-group input:invalid:not(:placeholder-shown) {
    border-color: var(--danger-color);
}

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

.form-page .checkbox-label {
    display: inline-flex;
    padding: 0.5rem 0.75rem;
    border-radius: 999px;
    border: 1px solid rgba(71, 85, 105, 0.6);
    background: rgba(15, 23, 42, 0.6);
    transition: all var(--transition-base);
    font-size: 0.8125rem;
    text-transform: none;
    letter-spacing: normal;
}

.form-page .checkbox-label:hover {
    border-color: var(--border-hover);
    color: var(--text-color);
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
    cursor: pointer;
}

.checkbox-label span {
    user-select: none;
}

.form-group.checkbox-group {
    padding-top: 0;
}

.power-details-row {
    align-items: end;
}

.power-details-row .checkbox-group {
    align-self: end;
}

.power-details-row .form-group {
    margin-bottom: 0;
}

.form-group.checkbox-group .checkbox-label {
    margin-bottom: 0;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: capitalize;
}

.status-working {
    background-color: rgba(16, 185, 129, 0.2);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-pending {
    background-color: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-wishlist {
    background-color: rgba(56, 189, 248, 0.2);
    color: #38bdf8;
    border: 1px solid rgba(56, 189, 248, 0.3);
}

.status-not-working {
    background-color: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Form Subsection Title */
.form-subsection-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    margin-top: 1.25rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(71, 85, 105, 0.6);
}

/* Table Styles */
.table-container {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    overflow-x: auto;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.table-container::-webkit-scrollbar {
    display: none;
}

.table-container:hover {
    border-color: var(--border-hover);
}

/* Port Management Styles */
.ports-container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.form-page .ports-container {
    gap: 1rem;
}

.port-item {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.875rem;
    transition: border-color var(--transition-base);
}

.form-page .port-item {
    background: rgba(15, 23, 42, 0.65);
    border-radius: 12px;
    border-color: rgba(71, 85, 105, 0.6);
    padding: 1rem 1.25rem;
    box-shadow: inset 0 1px 0 rgba(148, 163, 184, 0.05);
}

.port-item:hover {
    border-color: var(--border-hover);
}

.port-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.port-label {
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.875rem;
}

.port-remove-btn {
    padding: 0.25rem;
    width: 32px;
    height: 32px;
    min-width: 32px;
}

.port-body {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.port-main-row,
.port-extra-row {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.port-main-row {
    align-items: flex-end;
}

.port-extra-row {
    align-items: center;
}

.port-extra-row.is-hidden {
    display: none;
}

.port-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    min-width: 160px;
    flex: 0 0 180px;
}

.port-field label {
    font-size: 0.75rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.port-body label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.port-search-wrapper {
    position: relative;
}

.port-ethernet-fields {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.port-ethernet-fields.is-hidden {
    display: none;
}

.port-main-row .port-search-wrapper {
    flex: 1;
}

.port-device-search {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-secondary);
    color: var(--text-color);
    transition: all var(--transition-base);
}

.port-device-search:hover {
    border-color: var(--border-hover);
}

.port-device-search:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.port-device-search.port-search-valid {
    border-color: var(--success-color);
}

.port-device-search.port-search-invalid {
    border-color: var(--danger-color);
    background-color: rgba(239, 68, 68, 0.05);
}

.port-device-search.port-search-invalid:focus {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.port-select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--bg-secondary);
    color: var(--text-color);
    transition: all var(--transition-base);
}

.port-connection-row .port-select {
    flex: 0 0 200px;
}

@media (max-width: 768px) {
    .port-main-row,
    .port-extra-row {
        flex-direction: column;
        align-items: stretch;
    }

    .port-field {
        width: 100%;
        flex: 1 1 auto;
    }

    .port-ethernet-fields {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
    }

    .port-main-row .port-search-wrapper,
    .port-main-row .port-select {
        width: 100%;
        flex: 1 1 auto;
    }
}

.port-select:hover {
    border-color: var(--border-hover);
}

.port-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
    background-color: var(--card-bg);
}

.port-search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 0.25rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-shadow: var(--shadow-lg);
    max-height: 250px;
    overflow-y: auto;
    z-index: 100;
}

.port-search-results.is-hidden {
    display: none;
}

.port-search-result-item {
    padding: 0.625rem 0.875rem;
    cursor: pointer;
    transition: background-color var(--transition-fast);
    border-bottom: 1px solid var(--border-color);
}

.port-search-result-item:last-child {
    border-bottom: none;
}

.port-search-result-item:hover {
    background: var(--card-hover);
}

.port-search-result-item.no-results {
    color: var(--text-secondary);
    cursor: default;
    text-align: center;
    font-size: 0.875rem;
}

.form-page #add-port-btn,
.form-page #add-power-port-btn {
    justify-self: start;
    align-self: start;
    width: auto;
    padding-inline: 0.9rem;
}

.port-search-result-item.no-results:hover {
    background: transparent;
}

.port-search-result-name {
    font-size: 0.875rem;
    color: var(--text-color);
    font-weight: 500;
    margin-bottom: 0.125rem;
}

.port-search-result-meta {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0.5rem;
    }

    header {
        padding: 1rem;
    }

    .header-title {
        font-size: 1.5rem;
    }

    .header-logo {
        width: 52px;
        height: 52px;
    }

    .section-header {
        flex-direction: column;
        align-items: stretch;
    }

    .section-header h2 {
        font-size: 1.25rem;
    }

    .section-header.section-header-inline {
        flex-direction: row;
        align-items: center;
        flex-wrap: nowrap;
        gap: 0.75rem;
    }

    .section-header.section-header-inline .section-title-group {
        min-width: 0;
    }

    .section-header.section-header-inline .btn {
        width: auto;
        padding: 0.5rem 0.9rem;
        font-size: 0.75rem;
        white-space: nowrap;
        flex: 0 0 auto;
    }

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

    .btn-icon {
        width: 32px;
        min-width: 32px;
        flex: 0 0 auto;
    }

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

    .form-card {
        padding: 1rem;
    }

    .form-page .form-card {
        padding: 1.5rem;
    }

    .form-section {
        padding: 1.25rem;
    }

    .form-card-header {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }

    .form-actions {
        flex-direction: column-reverse;
    }

    .form-actions .btn {
        width: 100%;
    }

    .form-page .form-actions {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 0.75rem;
    }

    .form-page .form-actions .btn {
        width: auto;
        min-width: 120px;
        flex: 0 0 auto;
    }

    .form-page .form-actions .btn:last-child {
        margin-left: auto;
    }

    .form-group.is-hidden {
        display: none;
        visibility: hidden;
    }
}

@media (max-width: 640px) {
    header {
        text-align: left;
    }

    .header-brand {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 0;
        flex-wrap: wrap;
    }

    .nav-toggle {
        display: inline-flex;
    }

    nav.site-nav {
        display: none;
        flex-direction: column;
        align-items: stretch;
        margin-top: 0.75rem;
    }

    nav.site-nav.is-open {
        display: flex;
    }

    nav.site-nav a {
        width: 100%;
        text-align: center;
    }

    .demo-mode-badge {
        margin-left: auto;
        margin-right: auto;
        order: 3;
        width: fit-content;
        max-width: 100%;
        justify-content: center;
        height: 28px;
        padding: 0 0.6rem;
        font-size: 0.65rem;
    }

    .demo-mode-badge::after {
        left: 0;
        transform: none;
        top: calc(100% + 6px);
        white-space: normal;
        max-width: min(320px, 90vw);
    }

    .section-header {
        flex-wrap: nowrap;
        align-items: center;
        gap: 0.75rem;
    }

    .section-header h2 {
        text-align: left;
        margin-left: 0.25rem;
    }

    .section-title-group {
        padding-left: 0.25rem;
    }

    .section-subtitle {
        margin-left: 0.25rem;
    }

    .section-title-group {
        min-width: 0;
    }

    .section-header .btn {
        width: auto;
        padding: 0.5rem 0.9rem;
        font-size: 0.75rem;
        white-space: nowrap;
        flex: 0 0 auto;
    }

    .modal {
        align-items: flex-start;
        padding: 1rem;
        overflow-y: auto;
    }

    .modal-content {
        width: 100%;
        max-height: calc(100vh - 2rem);
    }
}

@media (max-width: 480px) {
    .header-title {
        font-size: 1.25rem;
    }

    .header-logo {
        width: 44px;
        height: 44px;
    }

    .btn-icon {
        width: 28px;
        height: 28px;
        padding: 0.25rem;
        min-width: 28px;
        flex: 0 0 auto;
    }

    .btn-icon svg {
        width: 14px;
        height: 14px;
    }
}

/* ============================================
   Device Filters Styles (Shared Component)
   ============================================ */

.filters-container {
    margin-bottom: 1.5rem;
    padding: 1.25rem 1.5rem;
    background: linear-gradient(160deg, rgba(15, 23, 42, 0.92), rgba(30, 41, 59, 0.88));
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.25);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.35);
    display: grid;
    gap: 1rem;
    position: relative;
    overflow: hidden;
}

.filters-container::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.12), transparent 55%),
        radial-gradient(circle at bottom right, rgba(16, 185, 129, 0.1), transparent 60%);
    pointer-events: none;
}

.filters-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
    cursor: pointer;
}

.filters-header h3 {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    margin: 0;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1 1 200px;
}

.filters-header h3::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, rgba(148, 163, 184, 0.35), transparent);
}

.filters-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.filters-toggle svg {
    transition: transform var(--transition-base);
    transform: rotate(-90deg);
}

.filters-toggle.is-expanded svg {
    transform: rotate(0deg);
}

.filters-body {
    display: grid;
    gap: 1rem;
    position: relative;
    z-index: 1;
}

.filters-container.is-collapsed .filters-body {
    display: none;
}

.filters,
.filters-row {
    display: grid;
    gap: 0.75rem;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    align-items: center;
    margin: 0;
}

.filters-row.filters-secondary {
    grid-template-columns: minmax(320px, 1.2fr) repeat(2, minmax(200px, 1fr)) auto;
    align-items: end;
}

.filters-row.filters-secondary .filter-field-wide {
    grid-column: 1;
}

.filters-row.filters-secondary .btn {
    width: auto;
    min-height: 44px;
    padding: 0.65rem 1rem;
    justify-self: end;
}

.filters-primary {
    grid-template-columns: minmax(280px, 1fr) auto;
    align-items: end;
}

.filters-primary .btn {
    justify-self: end;
    align-self: end;
    min-height: 44px;
    padding: 0.75rem 1.1rem;
    font-size: 0.8rem;
}

.filters-primary .filter-input-wide,
.filters-primary .filter-field-wide {
    grid-column: 1 / 2;
}

.filter-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    min-width: 0;
}

.filter-field label {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: rgba(226, 232, 240, 0.6);
    font-weight: 600;
}

.filter-select {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.875rem;
    background: var(--bg-secondary);
    color: var(--text-color);
    min-width: 150px;
    transition: all var(--transition-base);
}

.filter-input {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.875rem;
    background: var(--bg-secondary);
    color: var(--text-color);
    min-width: 220px;
    transition: all var(--transition-base);
}

.filters-container .filter-select,
.filters-container .filter-input {
    background-color: rgba(15, 23, 42, 0.75);
    border-color: rgba(148, 163, 184, 0.3);
    color: var(--text-color);
    min-width: 0;
    width: 100%;
}

.filter-input-wide {
    flex: 1 1 320px;
}

.filter-select:hover,
.filter-input:hover {
    border-color: var(--border-hover);
}

.filters-container .filter-select:focus,
.filters-container .filter-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
    background-color: rgba(15, 23, 42, 0.9);
}

select,
.filter-select,
.port-select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    padding-right: 2.4rem;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 20 20' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6 8l4 4 4-4' stroke='%23cbd5e1' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.9rem center;
    background-size: 0.55rem;
}

.filter-select.is-active,
.filter-input.is-active {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.filters-advanced {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 0.9rem;
    align-items: stretch;
}

@media (min-width: 1200px) {
    .filters-advanced {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .filters-row.filters-secondary {
        grid-template-columns: minmax(420px, 1.8fr) repeat(2, minmax(140px, 0.7fr)) auto;
    }
}

.filters-advanced > .filters-row {
    grid-column: 1 / -1;
}

.filters-block {
    background: rgba(15, 23, 42, 0.75);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 14px;
    padding: 0.9rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    min-width: 0;
    box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.35);
    width: 100%;
}

.filters-block-title {
    font-size: 0.75rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(226, 232, 240, 0.75);
    font-weight: 700;
}

.filters-block-body {
    display: grid;
    gap: 0.6rem;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    align-items: start;
}

.filters-block-body .filter-field {
    grid-column: 1 / -1;
}

.filters-block-body .filter-field + .filter-field {
    grid-column: auto;
}

.filters-block.is-connectivity-options .filters-block-body {
    display: grid;
    grid-template-columns: 1fr;
    align-content: start;
}

.checkbox-chip {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.6rem;
    border-radius: 10px;
    border: 1px solid rgba(148, 163, 184, 0.25);
    background: rgba(15, 23, 42, 0.65);
    transition: all var(--transition-base);
    min-width: 0;
    line-height: 1.2;
    color: var(--text-secondary);
    font-size: 0.78rem;
}

.checkbox-chip:hover {
    border-color: rgba(148, 163, 184, 0.5);
    color: var(--text-color);
}

.checkbox-chip.is-active {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
    color: var(--text-color);
}

.checkbox-chip input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.checkbox-chip span {
    flex: 1;
    min-width: 0;
}

.filters-advanced.is-collapsed {
    display: none;
}

.demo-mode-badge {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 32px;
    padding: 0 0.75rem;
    border-radius: 999px;
    border: 1px solid rgba(250, 204, 21, 0.35);
    background: rgba(251, 191, 36, 0.18);
    color: #fcd34d;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    position: relative;
}

.demo-mode-badge[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 50%;
    top: calc(100% + 10px);
    transform: translateX(-50%);
    background: rgba(15, 23, 42, 0.92);
    color: var(--text-color);
    border: 1px solid rgba(148, 163, 184, 0.35);
    padding: 0.4rem 0.6rem;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: none;
    letter-spacing: 0.01em;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
    z-index: 5;
}

.demo-mode-badge:hover::after,
.demo-mode-badge:focus-visible::after {
    opacity: 1;
}

body.demo-mode .header-brand .nav-toggle {
    margin-left: 0;
}

/* Responsive filters */
@media (max-width: 768px) {
    .filters-container {
        padding: 0.75rem;
        gap: 0.75rem;
    }

    .filters-header {
        flex-direction: row;
        align-items: center;
        gap: 0.5rem;
    }

    .filters-header h3::after {
        display: none;
    }

    .filters-header h3 {
        line-height: 1.1;
    }

    .filters-actions {
        width: auto;
        justify-content: flex-end;
    }

    .filters-actions .btn {
        flex: 0 0 auto;
        width: auto;
    }

    .filters-row,
    .filters-primary,
    .filters-row.filters-secondary {
        grid-template-columns: 1fr;
    }

    .filters-primary .filter-input-wide,
    .filters-primary .filter-field-wide {
        grid-column: auto;
    }

    .filters-primary .btn,
    .filters-row.filters-secondary .btn {
        width: 100%;
        justify-self: stretch;
    }

    .filters-advanced {
        grid-template-columns: 1fr;
    }

    .filters-block-body {
        grid-template-columns: 1fr;
    }
    
    body.demo-mode .header-brand .nav-toggle {
        margin-left: 0;
    }
}