:root {
    /* Color Palette - Exotic Dark Nature theme for Carnivorous Plants */
    --bg-color: #0f1412;         /* Very dark green-black backgorund */
    --surface-color: #1a2420;    /* Slightly lighter surface */
    --surface-hover: #23312c;
    --text-primary: #e0e8e4;
    --text-secondary: #90a09a;
    --accent-color: #e24b4b;     /* Vivid reds representing Nepenthes traps/Drosera */
    --accent-hover: #fa5c5c;
    --green-accent: #4ade80;     /* Fresh green */
    --border-color: #2c3a35;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
    
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 999px;
    
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', 'Noto Sans JP', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography Helpers */
.accent-color { color: var(--accent-color); }
.text-danger { color: #f87171; }
h1, h2, h3, h4 { font-weight: 700; }

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

.mobile-header { display: none; }

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--surface-color);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 10;
}

.logo {
    padding: 30px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.nav-menu {
    flex: 1;
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition);
    font-weight: 500;
}

.nav-item:hover {
    background-color: var(--surface-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background-color: rgba(226, 75, 75, 0.1);
    color: var(--accent-color);
}

.sidebar-footer {
    padding: 24px 16px;
    border-top: 1px solid var(--border-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    outline: none;
}

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

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(226, 75, 75, 0.3);
}

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

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

.btn-danger {
    background-color: #ef4444;
    color: white;
}
.btn-danger:hover { background-color: #dc2626; }

.primary-action-btn {
    width: 100%;
    padding: 14px;
    font-size: 1rem;
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: var(--transition);
}

.icon-btn:hover {
    color: var(--accent-color);
    background-color: rgba(226, 75, 75, 0.1);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 40px;
    transition: margin-left 0.3s ease;
}

/* お出迎え画面・規約画面では余白を解除 */
body[data-view="landing"] .main-content,
body[data-view="terms"] .main-content {
    margin-left: 0 !important;
}

/* --- View Visibility Management (Systemic Approach) --- */

/* 1. まず全ビューをデフォルトで非表示にする */
[id^="view-"] {
    display: none !important;
    animation: fadeIn 0.3s ease;
}

/* 2. body[data-view] に一致するビューだけを表示する */
body[data-view="landing"] #view-landing,
body[data-view="dashboard"] #view-dashboard,
body[data-view="locations"] #view-locations,
body[data-view="backup"] #view-backup,
body[data-view="help"] #view-help,
body[data-view="terms"] #view-terms {
    display: block !important;
}

/* 3. モードに応じた共通UI（サイドバー等）の制御 */
/* お出迎え画面・規約画面では、サイドバー・ヘッダー・フッターを強制非表示 */
body[data-view="landing"] .sidebar,
body[data-view="landing"] .mobile-header,
body[data-view="landing"] .bottom-nav,
body[data-view="terms"] .sidebar,
body[data-view="terms"] .mobile-header,
body[data-view="terms"] .bottom-nav {
    display: none !important;
}

/* それ以外の画面ではサイドバー・ヘッダーを標準表示 */
body:not([data-view="landing"]):not([data-view="terms"]) .sidebar {
    display: flex !important;
}
body:not([data-view="landing"]):not([data-view="terms"]) .mobile-header {
    display: flex !important;
}
body:not([data-view="landing"]):not([data-view="terms"]) .bottom-nav {
    display: flex !important;
}

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

.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.top-header h2 {
    font-size: 2rem;
    letter-spacing: -0.5px;
}

.stats-container {
    display: flex;
    gap: 16px;
}

.stat-box {
    background-color: var(--surface-color);
    padding: 12px 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    min-width: 120px;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

/* Controls Bar */
.controls-bar {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.search-box {
    flex: 1;
    position: relative;
}

.search-box i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.search-box input {
    width: 100%;
    padding: 12px 16px 12px 42px;
}

/* Form Elements */
input, select, textarea {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(226, 75, 75, 0.2);
}

.filter-box { display: flex; flex-wrap: wrap; gap: 12px; }
.filter-box select { padding: 12px 36px 12px 16px; min-width: 200px; max-width: 100%; }

/* Genus Groups for Dashboard Accordion */
.genus-group {
    background-color: var(--bg-color);
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.genus-header {
    background-color: var(--surface-color);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
    transition: var(--transition);
}

.genus-header:hover {
    background-color: var(--surface-hover);
}

.genus-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.genus-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--green-accent);
}

.genus-count-badge {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
}

.genus-header i.chevron {
    color: var(--text-secondary);
    transition: transform 0.3s ease;
}

.genus-group.open .genus-header i.chevron {
    transform: rotate(180deg);
}

.genus-content {
    padding: 20px;
    display: none;
}

.genus-group.open .genus-content {
    display: block;
    animation: slideDown 0.3s ease;
}

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

/* Grid */
.plants-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

/* Cards */
.plant-card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.plant-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--green-accent), var(--accent-color));
    opacity: 0.3;
    transition: var(--transition);
}

.plant-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(226, 75, 75, 0.3);
}

.plant-card:hover::before { opacity: 1; }

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.card-title-area h3 {
    font-size: 1.25rem;
    margin-bottom: 4px;
    word-break: break-all;
}

.scientific-name {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-style: italic;
    font-family: serif;
}

.card-actions {
    display: flex;
    gap: 4px;
}

.card-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 0.9rem;
}

.info-row {
    display: flex;
    gap: 8px;
    align-items: flex-start;
}

.info-row i {
    width: 16px;
    margin-top: 4px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.info-content {
    flex: 1;
}

.info-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 2px;
}

.tag {
    display: inline-block;
    background-color: rgba(74, 222, 128, 0.1);
    color: var(--green-accent);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.location-tag {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
}

.card-footer {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stock-control {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-color);
    padding: 4px;
    border-radius: var(--radius-full);
}

.stock-control button {
    width: 28px; height: 28px;
    border-radius: 50%;
    border: none;
    background: var(--surface-color);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
}

.stock-control button:hover { background: var(--border-color); color: var(--accent-color); }
.stock-value { font-weight: 700; width: 20px; text-align: center; }

/* Empty state */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-secondary);
}
.empty-state i { font-size: 4rem; color: var(--border-color); margin-bottom: 20px; }
.empty-state.hidden { display: none; }

/* Locations View */
.location-manager { max-width: 600px; }
.location-form { display: flex; gap: 12px; margin-bottom: 32px; }
.location-form input { flex: 1; padding: 12px 16px; }

.locations-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.location-item {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.location-details {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 4px;
}

.location-badge {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.location-badge.env-indoor { color: var(--green-accent); border: 1px solid rgba(74, 222, 128, 0.2); }
.location-badge.env-outdoor { color: #fbbf24; border: 1px solid rgba(251, 191, 36, 0.2); }
.location-badge.water-bottom { color: #60a5fa; border: 1px solid rgba(96, 165, 250, 0.2); }

/* Help/Guide View */
.help-container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.help-subtitle {
    font-size: 1.25rem;
    margin-bottom: 16px;
    color: var(--green-accent);
    display: flex;
    align-items: center;
    gap: 10px;
}

.help-desc {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}

/* Data Flow Visual */
.quick-guide-box {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.data-flow-visual {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    padding: 20px 0;
}

.flow-step {
    flex: 1;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.flow-icon {
    width: 60px;
    height: 60px;
    background: var(--surface-color);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--green-accent);
}

.flow-label {
    font-weight: 600;
    font-size: 0.95rem;
}

.flow-detail {
    font-size: 0.8rem;
    color: var(--text-secondary);
    max-width: 140px;
}

.flow-arrow {
    font-size: 1.5rem;
    color: var(--border-color);
}

/* Help Cards */
.help-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.help-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: transform 0.2s;
}

.help-card:hover {
    transform: translateY(-4px);
}

.help-card h4 {
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--green-accent);
}

.help-example-img {
    width: 100%;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    border: 1px solid var(--border-color);
}

.help-alert {
    display: flex;
    gap: 12px;
    padding: 16px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    line-height: 1.5;
}

.help-alert.info {
    background: rgba(30, 41, 59, 0.5);
    border-left: 4px solid #3b82f6;
    color: #93c5fd;
}

/* Landing / Welcome View */
#view-landing {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3000;
    background: var(--background-color);
    overflow-y: auto;
    display: none;
}

#view-landing.active {
    display: block;
}

.landing-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 24px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 48px;
    animation: fadeIn 0.8s ease-out;
}

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

.landing-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.landing-logo-img {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    margin-bottom: 4px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    border: 2px solid rgba(16, 185, 129, 0.2);
}

.landing-hero h1 {
    font-size: 3rem;
    letter-spacing: 0.2em;
    color: var(--green-accent);
    margin: 0;
}

.landing-tagline {
    font-size: 1.1rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.landing-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    text-align: left;
}

.feature-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: all 0.3s ease;
}

.feature-item i {
    font-size: 1.5rem;
    color: var(--green-accent);
}

.feature-item h3 {
    font-size: 1.1rem;
    margin: 0;
    color: var(--text-primary);
}

.feature-item p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
}

.feature-item.alert-caution {
    border-color: rgba(245, 158, 11, 0.3);
    background: rgba(245, 158, 11, 0.02);
}

.feature-item.alert-caution i {
    color: #f59e0b;
}

.feature-item.alert-caution h3 {
    color: #fbbf24;
}

.landing-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    width: 100%;
}

.landing-terms-agreement {
    width: 100%;
    max-width: 500px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: left;
}

.terms-summary-box h3 {
    font-size: 0.95rem;
    margin: 0 0 12px 0;
    color: var(--green-accent);
}

.terms-summary-box ul {
    margin: 0 0 12px 0;
    padding-left: 1.25rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.terms-summary-box p {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.terms-summary-box a {
    color: var(--green-accent);
    text-decoration: underline;
}

.terms-checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-primary);
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.terms-checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--green-accent);
}

.btn-lg {
    padding: 16px 48px;
    font-size: 1.2rem;
    letter-spacing: 0.1em;
    border-radius: 100px;
    transition: all 0.3s ease;
}

.btn-primary:disabled {
    background-color: #333 !important;
    color: #666 !important;
    cursor: not-allowed;
    opacity: 0.5;
    box-shadow: none;
}

/* Terms View Specific */
.terms-page-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.terms-page-header h2 {
    font-size: 1.2rem;
    margin: 0;
}

.terms-page-container {
    padding: 24px 20px;
    max-width: 800px;
    margin: 0 auto;
}

.terms-content-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.terms-content-card h4 {
    color: var(--green-accent);
    margin: 24px 0 12px 0;
    font-size: 1.1rem;
    border-bottom: 1px solid rgba(16, 185, 129, 0.2);
    padding-bottom: 4px;
}

.terms-content-card h4:first-child {
    margin-top: 0;
}

.terms-content-card p {
    margin-bottom: 16px;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.terms-footer-note {
    margin-top: 32px;
    padding-top: 16px;
    border-top: 1px dashed var(--border-color);
    text-align: right;
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

/* Help View - Terms Footer */
.manual-footer-terms {
    margin-top: 40px;
    text-align: center;
    padding-bottom: 20px;
}

.section-divider {
    border: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--border-color), transparent);
    margin-bottom: 24px;
}

.manual-footer-terms p {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    margin-bottom: 16px;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.landing-footer-note {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Mobile Adjustments */
@media (max-width: 600px) {
    .landing-container { padding: 20px 16px; gap: 16px; }
    .landing-hero h1 { font-size: 1.8rem; margin-top: 5px; }
    .landing-logo-img { 
        width: 80px !important; 
        height: 80px !important; 
        object-fit: cover;
    }
    .landing-tagline { font-size: 0.9rem; margin-bottom: 5px; }
    .feature-item { padding: 16px; gap: 8px; }
    .landing-features { gap: 12px; }
    .btn-lg { width: 100%; padding: 14px; }
}
@media (max-width: 768px) {
    .data-flow-visual {
        flex-direction: column;
        gap: 24px;
    }
    .flow-arrow {
        transform: rotate(90deg);
    }
    .flow-detail {
        max-width: 100%;
    }
}
.backup-manager { display: flex; flex-direction: column; gap: 24px; max-width: 700px; }
.backup-box { background-color: var(--surface-color); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 24px; }
.backup-box h3 { margin-bottom: 8px; display: flex; align-items: center; gap: 8px; font-size: 1.1rem; }
.backup-box p { color: var(--text-secondary); margin-bottom: 20px; font-size: 0.9rem; }
.backup-actions { display: flex; align-items: center; gap: 12px; }
.backup-actions button { min-width: 200px; }
.danger-zone { border-color: rgba(239, 68, 68, 0.4); }
.danger-zone h3 i { color: #ef4444; }

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 4000; 
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.open { opacity: 1; visibility: visible; }
@keyframes modalFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-content {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    transform: scale(0.95);
    transition: var(--transition);
}

.modal-overlay.open .modal-content { transform: scale(1); }
.form-modal { max-width: 700px; max-height: 90vh; overflow-y: auto; }
.confirm-modal { max-width: 400px; padding: 24px; text-align: center; }

.modal-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.close-btn { background: none; border: none; color: var(--text-secondary); font-size: 1.2rem; cursor: pointer; }
.close-btn:hover { color: var(--text-primary); }

.plant-form { padding: 24px; display: flex; flex-direction: column; gap: 20px; }
.form-row { display: flex; gap: 20px; }
.form-group { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.full-width { flex: 100%; }

.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); }
.required { color: var(--accent-color); }

.form-group input, .form-group select, .form-group textarea { padding: 12px; }
.form-group textarea { resize: vertical; min-height: 80px; }

.compound-input { display: flex; gap: 8px; }
.compound-input select { flex: 1; padding: 12px; }
.compound-input input { flex: 2; }

.number-input { display: flex; }
.number-input input { flex: 1; text-align: center; border-radius: 0; border-left: none; border-right: none; }
.number-input button { 
    background: var(--bg-color); 
    border: 1px solid var(--border-color); 
    color: var(--text-primary); 
    padding: 0 16px; 
    cursor: pointer; 
}
.number-input button.minus { border-radius: var(--radius-md) 0 0 var(--radius-md); }
.number-input button.plus { border-radius: 0 var(--radius-md) var(--radius-md) 0; }

.form-actions { display: flex; justify-content: flex-end; gap: 12px; margin-top: 12px; }

.confirm-modal h3 { margin-bottom: 12px; }
.confirm-modal p { color: var(--text-secondary); margin-bottom: 24px; }
.confirm-modal .form-actions { justify-content: center; }

/* Responsive */
@media (max-width: 768px) {
    .app-container { flex-direction: column; padding-top: 80px; padding-bottom: 80px; }
    
    .mobile-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 4px 16px;
        background-color: var(--surface-color);
        border-bottom: 1px solid var(--border-color);
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
    }
    
    .mobile-header .logo {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 1.1rem;
        font-weight: 700;
    }
    
    .mobile-backup-btn {
        font-size: 1.15rem;
        color: var(--text-secondary);
    }
    
    #nav-backup { display: none !important; }
    
    .sidebar { 
        position: fixed; 
        bottom: 0; 
        left: 0; 
        right: 0; 
        width: 100%; 
        height: 64px; 
        flex-direction: row; 
        border-right: none; 
        border-top: 1px solid var(--border-color); 
        z-index: 1000; 
        box-shadow: 0 -2px 10px rgba(0,0,0,0.5);
    }
    
    .sidebar .logo { display: none; }
    
    .nav-menu { 
        flex-direction: row; 
        padding: 0; 
        gap: 0; 
        flex: 1; 
        justify-content: space-around; 
        align-items: center; 
    }
    
    .nav-item { 
        flex-direction: column; 
        gap: 4px; 
        padding: 8px 0; 
        font-size: 0.7rem; 
        justify-content: center; 
        border-radius: 0; 
        width: 30%; 
        text-align: center;
    }
    
    .nav-item i { font-size: 1.25rem; }
    
    .sidebar-footer { padding: 0; border: none; }
    
    .primary-action-btn {
        position: fixed;
        bottom: 80px;
        right: 20px;
        width: 60px;
        height: 60px;
        border-radius: 50%;
        padding: 0;
        box-shadow: var(--shadow-lg);
        z-index: 1010;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .primary-action-btn span {
        display: none;
    }
    
    .primary-action-btn i {
        font-size: 24px;
        margin: 0;
    }
    
    .main-content { margin-left: 0; padding: 16px; }
    
    /* Dashboard Top Header & Stats (Mobile) */
    .top-header { 
        flex-direction: column; 
        align-items: flex-start; 
        gap: 12px; 
        margin-bottom: 24px; 
        margin-top: 16px; 
    }
    .top-header h2 { font-size: 1.4rem; }
    .stats-container { width: 100%; gap: 12px; }
    .stat-box { flex: 1; min-width: 0; padding: 12px; }
    .stat-value { font-size: 1.25rem; }
    
    .form-row { flex-direction: column; gap: 20px; }
    .controls-bar { flex-direction: column; }
    .filter-box { display: flex; flex-direction: column; gap: 12px; }
    .filter-box select { width: 100%; min-width: auto; }
    
    .backup-actions { flex-direction: column; align-items: stretch; }
    .backup-actions button { width: 100%; font-size: 0.9rem; padding: 12px; }
}
/* PWA Update Toast */
.update-toast {
    position: fixed;
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: #1a1f1d;
    border: 1px solid var(--green-accent);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    border-radius: 50px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    z-index: 9999;
    transition: bottom 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    width: auto;
    min-width: 300px;
}

.update-toast.show {
    bottom: 30px;
}

.update-toast-content {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
}

.update-toast-content i {
    color: var(--green-accent);
}

@media (max-width: 600px) {
    .update-toast {
        width: 90%;
        bottom: -100px;
        padding: 10px 16px;
    }
    .update-toast.show {
        bottom: 20px;
    }
}