:root {
    --sidebar-width: 250px;
    --topbar-height: 64px;
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.2s ease;

    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
}

/* Light theme (default) */
[data-theme="light"] {
    --bg-primary: #f8f9fc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f0f2f5;
    --bg-card: #ffffff;
    --bg-sidebar: #1e293b;
    --bg-sidebar-hover: #334155;
    --bg-sidebar-active: #3b82f6;
    --bg-hover: #f1f5f9;
    --bg-input: #f8fafc;
    --bg-badge: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-sidebar: #cbd5e1;
    --text-sidebar-active: #ffffff;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-light: #eff6ff;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --success: #22c55e;
    --success-light: #dcfce7;
    --warning: #f59e0b;
    --chart-fill: #3b82f6;
    --chart-prod: #f59e0b;
    --chart-cons: #ef4444;
    --chart-export: #22c55e;
    --shadow-color: rgba(0,0,0,0.08);
}

/* Dark theme */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #1e293b;
    --bg-card: #1e293b;
    --bg-sidebar: #0f172a;
    --bg-sidebar-hover: #1e293b;
    --bg-sidebar-active: #3b82f6;
    --bg-hover: #334155;
    --bg-input: #1e293b;
    --bg-badge: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-sidebar: #94a3b8;
    --text-sidebar-active: #ffffff;
    --border: #334155;
    --border-light: #1e293b;
    --accent: #60a5fa;
    --accent-hover: #3b82f6;
    --accent-light: #1e3a5f;
    --danger: #f87171;
    --danger-hover: #ef4444;
    --success: #4ade80;
    --success-light: #14532d;
    --warning: #fbbf24;
    --chart-fill: #60a5fa;
    --chart-prod: #fbbf24;
    --chart-cons: #f87171;
    --chart-export: #4ade80;
    --shadow-color: rgba(0,0,0,0.3);
}

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

body {
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    transition: background 0.3s, color 0.3s;
    overflow-x: hidden;
    width: 100%;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

button { cursor: pointer; font-family: inherit; }

.hidden { display: none !important; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }
.dashboard .card.mb-4 { margin-bottom: 1.5rem; }
.text-muted { color: var(--text-muted); }
.inline-feedback { padding: 0.6rem 0.75rem; border-radius: var(--radius-sm); font-size: 0.85rem; font-weight: 500; }
.inline-feedback-success { background: var(--success-light); color: var(--success); border: 1px solid color-mix(in srgb, var(--success) 25%, transparent); }
.inline-feedback-error { background: color-mix(in srgb, var(--danger) 10%, var(--bg-card)); color: var(--danger); border: 1px solid color-mix(in srgb, var(--danger) 20%, transparent); }

/* Layout */
.layout-main { display: flex; min-height: 100vh; padding-top: var(--topbar-height); }
.layout-auth { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--bg-primary); }

.main-wrapper { flex: 1; margin-left: var(--sidebar-width); display: flex; flex-direction: column; transition: margin-left var(--transition); }
.main-content { flex: 1; padding: 1.5rem; max-width: 1400px; width: 100%; margin: 0 auto; }

/* Sidebar */
.sidebar {
    position: fixed; left: 0; top: var(--topbar-height); bottom: 0;
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    display: flex; flex-direction: column;
    z-index: 90;
    transition: transform var(--transition);
}
.sidebar-brand {
    padding: 1.5rem; display: flex; align-items: center; gap: 0.75rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.brand-icon { color: var(--accent); }
.brand-text { color: #fff; font-size: 1.25rem; font-weight: 700; letter-spacing: -0.5px; }
.sidebar-toggle {
    background: none; border: none;
    color: var(--text-sidebar); padding: 0.85rem 1rem;
    cursor: pointer; display: flex; align-items: center; gap: 0.65rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    font-size: 0.85rem; font-family: inherit;
}
.sidebar-toggle:hover { color: #fff; background: var(--bg-sidebar-hover); }
.sidebar-toggle-label { font-weight: 500; }
.brand-link { display: flex; align-items: center; gap: 0.75rem; color: var(--accent); min-width: 0; }
.brand-link:hover { color: var(--accent-hover); }
.topbar-home-link { display: flex; align-items: center; gap: 0.4rem; color: var(--accent); min-width: 0; }
.topbar-home-link:hover { color: var(--accent-hover); }

.sidebar-nav { flex: 1; padding: 0.75rem; overflow-y: auto; }
.nav-link {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.65rem 0.85rem; border-radius: var(--radius-sm);
    color: var(--text-sidebar); font-size: 0.925rem; font-weight: 500;
    transition: all var(--transition); margin-bottom: 2px;
}
.nav-link:hover { background: var(--bg-sidebar-hover); color: #fff; }
.nav-link.active { background: var(--bg-sidebar-active); color: var(--text-sidebar-active); }
.nav-icon { display: flex; width: 20px; justify-content: center; }

.sidebar-footer { padding: 0.75rem; border-top: 1px solid rgba(255,255,255,0.06); display: flex; flex-direction: column; align-items: stretch; gap: 0.75rem; }
.theme-form { display: flex; }
.theme-btn {
    background: none; border: none; color: var(--text-sidebar);
    padding: 0.5rem; border-radius: var(--radius-sm); display: flex;
    transition: all var(--transition);
}
.theme-btn:hover { background: var(--bg-sidebar-hover); color: #fff; }

/* Topbar */
.topbar {
    height: var(--topbar-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; padding: 0 1rem;
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 100;
    gap: 0.5rem;
}
.topbar-left { display: flex; align-items: center; gap: 0.4rem; min-width: 0; flex: 1; overflow: hidden; }
.topbar-hamburger {
    background: none; border: none; color: var(--text-primary);
    cursor: pointer; padding: 4px; border-radius: 6px;
    display: flex; align-items: center;
}
.topbar-hamburger:hover { background: var(--bg-hover); }
.topbar-logo { flex-shrink: 0; display: block; }
.topbar-brand { font-size: 1rem; font-weight: 700; color: var(--accent); white-space: nowrap; }
.topbar-sep { color: var(--border); font-size: 1.1rem; user-select: none; }
.topbar-title { font-size: 0.95rem; font-weight: 600; color: var(--text-primary); white-space: nowrap; margin: 0; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.topbar-rooms {
    display: flex; align-items: center; gap: 0.25rem;
    overflow-x: auto; flex: 1; scrollbar-width: none;
    padding: 0 0.25rem;
}
.topbar-rooms::-webkit-scrollbar { display: none; }
.topbar-room {
    padding: 0.2rem 0.55rem; border-radius: 999px;
    font-size: 0.72rem; font-weight: 500; white-space: nowrap;
    color: var(--text-secondary); background: var(--bg-tertiary);
    text-decoration: none; transition: all 0.2s;
    border: 1px solid transparent;
}
.topbar-room:hover { background: var(--accent); color: #fff; }
.topbar-room.active { background: var(--accent); color: #fff; }
.topbar-right { display: flex; align-items: center; gap: 0.75rem; flex-shrink: 0; }
.topbar-title h1 { font-size: 1.2rem; font-weight: 600; color: var(--text-primary); }

.topbar-actions { display: flex; align-items: center; gap: 1rem; }
.clock { font-family: var(--font-mono); font-size: 0.9rem; color: var(--text-secondary); font-weight: 500; white-space: nowrap; }
.date-display { font-size: 0.82rem; color: var(--text-muted); white-space: nowrap; }
.weather-display { font-size: 0.85rem; color: var(--text-secondary); white-space: nowrap; }
.topbar-rooms { display: flex; gap: 0.3rem; margin-right: 1rem; }
.topbar-rooms::-webkit-scrollbar { display: none; }
.room-chip-wrap { position: relative; }
.room-chip { padding: 0.2rem 0.55rem; border-radius: 20px; font-size: 0.72rem; font-weight: 500; color: var(--text-secondary); background: var(--bg-tertiary); white-space: nowrap; text-decoration: none; transition: all 0.2s; display: block; }
.room-chip:hover { background: var(--accent); color: #fff; }
.room-dropdown { display: none; position: absolute; top: 100%; left: 0; margin-top: 0.25rem; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 0.5rem; min-width: 180px; z-index: 300; box-shadow: var(--shadow-lg); }
.room-chip-wrap:hover .room-dropdown { display: block; }
.room-device { display: block; padding: 0.25rem 0.5rem; font-size: 0.78rem; color: var(--text-secondary); border-radius: var(--radius-sm); white-space: nowrap; }
.room-device:hover { background: var(--bg-hover); }

.weather-display { font-size: 0.85rem; font-weight: 500; color: var(--text-primary); white-space: nowrap; }

.user-menu { position: relative; cursor: pointer; z-index: 200; }
.user-avatar {
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--accent); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.85rem; font-weight: 700;
    overflow: hidden; transition: box-shadow 0.2s;
}
.user-avatar:hover { box-shadow: 0 0 0 3px var(--accent-light); }
.user-avatar img { width: 100%; height: 100%; object-fit: cover; }
.user-dropdown {
    display: none; position: absolute; right: 0; top: 100%; margin-top: 8px;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); min-width: 200px;
    box-shadow: var(--shadow-lg); z-index: 200; padding: 0.5rem;
}
.user-menu:hover .user-dropdown,
.user-menu.open .user-dropdown,
.user-menu:focus-within .user-dropdown { display: block; }
.user-menu::after { content: ''; position: absolute; top: 100%; left: 0; right: 0; height: 10px; }
.user-info { padding: 0.6rem 0.85rem; border-bottom: 1px solid var(--border); margin-bottom: 0.35rem; }
.user-name { display: block; font-weight: 700; font-size: 0.95rem; }
.user-role { display: block; font-size: 0.78rem; color: var(--text-muted); text-transform: capitalize; margin-top: 0.1rem; }
.dropdown-item { display: flex; align-items: center; gap: 0.6rem; padding: 0.6rem 0.85rem; color: var(--text-primary); border-radius: var(--radius-sm); font-size: 0.9rem; text-decoration: none; transition: background 0.15s; }
.dropdown-item:hover { background: var(--bg-hover); }
.dropdown-form { margin: 0; }
.dropdown-button { width: 100%; border: 0; background: transparent; text-align: left; font-family: inherit; font-size: 0.9rem; cursor: pointer; }
.dropdown-icon { display: inline-flex; color: var(--text-secondary); }
@media (max-width: 600px) {
    .user-dropdown { right: 0; left: auto; }
}

/* Cards */
.card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); overflow: hidden;
}
.card-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 1rem 1.25rem; border-bottom: 1px solid var(--border);
}
.card-title { font-size: 0.95rem; font-weight: 600; }
.card-subtitle { display: block; margin-top: 0.15rem; font-size: 0.78rem; color: var(--text-muted); }
.btn-icon { background: none; border: 1px solid var(--border); border-radius: 50%; width: 34px; height: 34px; display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 1rem; color: var(--text-secondary); transition: all var(--transition); }
.btn-icon:hover { background: var(--bg-hover); color: var(--accent); border-color: var(--accent); }
.refresh-inverter-btn { width: 38px; height: 38px; border-radius: 12px; background: linear-gradient(180deg, var(--bg-card), var(--bg-hover)); box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
.refresh-inverter-btn svg { transition: transform 0.25s ease; }
.refresh-inverter-btn:hover svg { transform: rotate(36deg); }
.card-body { padding: 1.25rem; }
.card-footer { padding: 0.75rem 1.25rem; border-top: 1px solid var(--border); }

/* Stats row */
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.stat-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1.25rem;
    display: flex; align-items: center; gap: 1rem;
}
.stat-icon { color: var(--accent); }
.stat-icon svg { display: block; }
.stat-info { flex: 1; }
.stat-value { display: block; font-size: 1.4rem; font-weight: 700; color: var(--text-primary); font-family: var(--font-mono); }
.stat-value.large { font-size: 1.6rem; }
.stat-label { display: block; font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }
.network-stats-row .stat-card { align-items: stretch; }
.mini-sparkline { width: 100%; height: 36px; margin-top: 0.35rem; }
.mini-gauge-wrap { display: flex; flex-direction: column; align-items: center; justify-content: center; min-width: 90px; }
.mini-gauge { width: 92px; height: 54px; display: block; }
.mini-gauge-max { font-size: 0.68rem; color: var(--text-muted); margin-top: -2px; white-space: nowrap; }
.network-device-list { display: flex; flex-direction: column; }
.nd-row { display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap; padding: 0.55rem 0; font-size: 0.85rem; }
.nd-row:first-child { padding-top: 0; }
.nd-row.nd-offline { opacity: 0.55; }
.nd-name { font-weight: 600; }
.nd-ip { font-family: var(--font-mono); font-size: 0.8rem; }
.nd-type { color: var(--text-secondary); }
.nd-wifi { color: var(--text-muted); }
.nd-lan { color: var(--text-muted); }
.nd-sep { color: var(--border); user-select: none; }
.nd-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.nd-dot.online { background: var(--success); box-shadow: 0 0 6px var(--success); }
.nd-dot.offline { background: var(--text-muted); }
.nd-divider { height: 1px; background: var(--border-light); }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.5rem 1rem; border-radius: var(--radius-sm);
    font-size: 0.875rem; font-weight: 500; border: 1px solid var(--border);
    background: var(--bg-secondary); color: var(--text-primary);
    transition: all var(--transition);
}
.btn:hover { background: var(--bg-hover); }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { background: var(--danger-hover); }
.btn-sm { padding: 0.3rem 0.65rem; font-size: 0.8rem; }
.btn-block { width: 100%; justify-content: center; }
.btn-active { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-group { display: flex; gap: 0.25rem; }
.action-group { display: flex; gap: 0.35rem; flex-wrap: wrap; }

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 500; color: var(--text-secondary); margin-bottom: 0.35rem; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 0.55rem 0.75rem;
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    background: var(--bg-input); color: var(--text-primary);
    font-family: inherit; font-size: 0.9rem;
    transition: border var(--transition);
}
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(59,130,246,0.15); }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }

/* Login */
.login-container { width: 100%; max-width: 400px; padding: 2rem; }
.login-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 2.5rem; }
.login-header { text-align: center; margin-bottom: 2rem; }
.login-header svg { color: var(--accent); margin-bottom: 0.75rem; }
.login-header h2 { font-size: 1.5rem; color: var(--text-primary); margin-bottom: 0.35rem; }
.login-header p { color: var(--text-muted); font-size: 0.9rem; }

/* Device grid */
.page-header { margin-bottom: 1.5rem; }
.page-header h2 { font-size: 1.3rem; font-weight: 700; color: var(--text-primary); }
.page-header p { color: var(--text-muted); font-size: 0.9rem; }

.filter-chips { display: flex; gap: 0.5rem; flex-wrap: wrap; margin: 1rem 0; }
.chip {
    padding: 0.3rem 0.75rem; border-radius: 20px;
    font-size: 0.8rem; font-weight: 500;
    background: var(--bg-tertiary); color: var(--text-secondary);
    border: 1px solid var(--border);
}
.chip:hover { background: var(--bg-hover); }
.chip-active { background: var(--accent); color: #fff; border-color: var(--accent); }
.chip-tuya { background: var(--accent-light); color: var(--accent); border: none; padding: 0.15rem 0.5rem; }

.device-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; min-width: 0; }
.device-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1.25rem;
    display: flex; gap: 1rem; position: relative;
    transition: transform var(--transition), box-shadow var(--transition);
}
.device-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.device-inactive { opacity: 0.55; }
.device-icon { color: var(--accent); }
.device-info { flex: 1; }
.device-name { font-size: 1rem; font-weight: 600; margin-bottom: 0.15rem; }
.device-type, .device-room, .device-ip, .device-mac { display: block; font-size: 0.8rem; color: var(--text-muted); }
.device-badge {
    position: absolute; top: 0.75rem; right: 0.75rem;
    font-size: 0.65rem; font-weight: 600; text-transform: uppercase;
    padding: 0.15rem 0.4rem; border-radius: 4px;
    background: var(--bg-badge); color: var(--text-secondary);
}
.device-network-dot { position: absolute; top: 0.95rem; right: 4.5rem; width: 9px; height: 9px; border-radius: 50%; }
.device-network-dot.online { background: var(--success); box-shadow: 0 0 6px var(--success); }
.device-network-dot.offline { background: var(--text-muted); }
.badge { padding: 0.15rem 0.4rem; border-radius: 4px; font-size: 0.7rem; font-weight: 600; }
.badge-admin { background: var(--danger); color: #fff; }
.badge-user { background: var(--accent); color: #fff; }
.badge-readonly { background: var(--bg-badge); color: var(--text-secondary); }
.badge-tuya { background: var(--accent-light); color: var(--accent); }

.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; }
.status-dot.online { background: var(--success); box-shadow: 0 0 6px var(--success); }
.status-dot.offline { background: var(--text-muted); }

/* Data table */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 0.6rem 0.85rem; text-align: left; font-size: 0.85rem; }
.data-table th { font-weight: 600; color: var(--text-secondary); border-bottom: 2px solid var(--border); }
.data-table td { border-bottom: 1px solid var(--border-light); }
.data-table tr:hover td { background: var(--bg-hover); }
.data-table code { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); background: var(--bg-input); padding: 0.1rem 0.3rem; border-radius: 3px; }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-wrap table { min-width: 540px; }
.page-header-stack-mobile { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; }

/* Relay control */
.relay-control-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1rem; }
.relay-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); overflow: hidden;
}
.relay-card-header { padding: 1rem 1.25rem; background: var(--bg-tertiary); display: flex; align-items: center; justify-content: space-between; }
.relay-card-header h4 { font-size: 0.95rem; }
.relay-card-header-compact { align-items: flex-start; gap: 0.75rem; }
.relay-card-subtitle { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.25rem; font-size: 0.78rem; color: var(--text-muted); }
.relay-inline-state { font-weight: 700; }
.relay-inline-state.is-on { color: var(--success); }
.relay-inline-state.is-off { color: var(--text-secondary); }
.relay-card-body { padding: 1.25rem; }
.relay-detail { display: flex; flex-direction: column; gap: 0.25rem; margin-bottom: 1rem; font-size: 0.8rem; color: var(--text-muted); }
.relay-actions { display: flex; gap: 0.5rem; }
.relay-actions form { flex: 1; }
.btn-relay { width: 100%; padding: 0.6rem; font-weight: 600; border-radius: var(--radius-sm); border: none; color: #fff; font-size: 0.9rem; }
.btn-relay-on { background: var(--success); }
.btn-relay-on:hover { filter: brightness(1.1); }
.btn-relay-off { background: var(--danger); }
.btn-relay-off:hover { filter: brightness(1.1); }

.relay-grid { display: grid; gap: 0.75rem; }
.relay-item {
    display: flex; align-items: center; gap: 0.5rem;
    padding: 0.75rem; background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}
.relay-info { flex: 1; }
.relay-name { font-weight: 600; font-size: 0.9rem; }
.relay-room { display: block; font-size: 0.75rem; color: var(--text-muted); }
.relay-form { flex-shrink: 0; }
.relay-item .btn-relay-on, .relay-item .btn-relay-off { padding: 0.3rem 0.75rem; font-size: 0.75rem; border-radius: 6px; }

/* Relay status indicators */
.relay-status {
    padding: 0.2rem 0.6rem; border-radius: 6px;
    font-size: 0.7rem; font-weight: 700; letter-spacing: 0.5px;
}
.status-on { background: var(--success-light); color: var(--success); }
.status-off { background: var(--bg-badge); color: var(--text-muted); }

/* Riello grid */
.riello-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 0.75rem;
}
.riello-item { padding: 0.5rem; }
.riello-item span { display: block; font-size: 0.75rem; color: var(--text-muted); }
.riello-item strong { display: block; font-size: 1rem; font-weight: 700; margin-top: 2px; }

/* Stat battery */
.stat-battery .stat-icon { color: #8b5cf6; }
.stat-grid .stat-icon { color: #f59e0b; }

/* Device detail page */
.device-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
@media (max-width: 768px) { .device-detail { grid-template-columns: 1fr; } }

/* Grid 2 column */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 1rem; }

/* Charts */
.chart-container { position: relative; min-height: 200px; }
.chart-y-scale { position: absolute; left: 0; top: 0; bottom: 0; width: 40px; display: flex; flex-direction: column; justify-content: space-between; font-size: 0.65rem; color: var(--text-muted); padding: 0.5rem 0; }
.chart-y-scale span { display: block; text-align: right; padding-right: 4px; }
.bar-chart {
    display: flex; align-items: flex-end; gap: 2px;
    height: 200px; padding-top: 1rem;
}
.bar-item {
    flex: 1; display: flex; flex-direction: column; align-items: center;
    height: 100%; justify-content: flex-end;
}
.bar-fill {
    width: 100%; max-width: 20px; border-radius: 4px 4px 0 0;
    background: var(--chart-fill); min-height: 2px;
    transition: height 0.5s ease;
}
.bar-fill.bar-prod { background: var(--chart-prod); }
.bar-fill.bar-cons { background: var(--chart-cons); }
.bar-fill.bar-export { background: var(--chart-export); }
.bar-chart-dual .bar-item { justify-content: flex-end; }
.bar-pair { display: flex; align-items: flex-end; gap: 2px; height: 100%; width: 100%; justify-content: center; }
.bar-pair .bar-fill { width: 9px; }
.chart-legend { display: flex; gap: 1rem; justify-content: center; margin-top: 0.75rem; font-size: 0.78rem; color: var(--text-muted); }
.chart-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 0.35rem; }
.legend-prod { background: var(--chart-prod); }
.legend-cons { background: var(--chart-cons); }
.bar-date { font-size: 0.6rem; color: var(--text-muted); margin-top: 4px; transform: rotate(-45deg); transform-origin: top left; white-space: nowrap; }

/* System grid */
.system-grid { display: grid; gap: 0.5rem; }
.sys-item { display: flex; align-items: center; gap: 1rem; font-size: 0.9rem; }
.sys-item span:first-child { width: 80px; font-weight: 500; }
.sys-bar { flex: 1; height: 8px; background: var(--bg-tertiary); border-radius: 4px; overflow: hidden; }
.sys-fill { display: block; height: 100%; background: var(--accent); border-radius: 4px; transition: width 0.5s; }

/* Search bar */
.search-bar { display: flex; align-items: center; gap: 0.5rem; background: var(--bg-input); border: 1px solid var(--border); border-radius: var(--radius); padding: 0.5rem 1rem; margin-bottom: 1rem; max-width: 400px; }
.search-bar input { border: none; background: none; flex: 1; outline: none; color: var(--text-primary); font-size: 0.9rem; }
.search-bar svg { color: var(--text-muted); }

/* Toast */
.toast { position: fixed; top: 1rem; right: 1rem; padding: 0.85rem 1.25rem; border-radius: var(--radius); font-weight: 500; font-size: 0.9rem; z-index: 999; animation: slideIn 0.3s ease; box-shadow: var(--shadow-lg); }
.toast-success { background: var(--success); color: #fff; }
.toast-error { background: var(--danger); color: #fff; }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* Empty state */
.empty-state { text-align: center; padding: 3rem; color: var(--text-muted); }

/* Network stat */
.network-stat { display: flex; gap: 2rem; }
.net-item { flex: 1; }
.net-dir { display: block; font-size: 0.8rem; color: var(--text-muted); }
.net-value { display: block; font-size: 1.2rem; font-weight: 700; font-family: var(--font-mono); }

/* Energy dashboard */
.energy-dashboard .stats-row { margin-bottom: 1rem; }

/* Responsive */
@media (max-width: 1200px) {
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
    }
    .sidebar.open { transform: translateX(0); }
    .sidebar.collapsed { transform: translateX(-100%); }
    .main-wrapper { margin-left: 0; }
    .main-wrapper.expanded { margin-left: 0; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .grid-2 { grid-template-columns: 1fr; }
    .relay-control-grid { grid-template-columns: 1fr; }
    .topbar-rooms { display: none; }
    .topbar-room { display: none; }
}
/* Sidebar overlay */
.sidebar-overlay {
    display: none; position: fixed; inset: 0; z-index: 89;
    background: rgba(0,0,0,0.4);
}
.sidebar-overlay.active { display: block; }
.sidebar.open { z-index: 100; }
@media (max-width: 600px) {
    .stats-row { grid-template-columns: 1fr; }
    .data-table { font-size: 0.75rem; }
}

/* Collapsible sidebar */
.sidebar.collapsed { transform: translateX(-100%); }
.main-wrapper.expanded { margin-left: 0; }

@media (min-width: 1201px) {
    .main-wrapper.expanded { margin-left: 74px; }
    .sidebar.collapsed {
        width: 74px;
        transform: none;
    }
    .sidebar.collapsed .brand-text,
    .sidebar.collapsed .nav-label,
    .sidebar.collapsed .sidebar-user-info,
    .sidebar.collapsed .sidebar-toggle-label { display: none; }
    .sidebar.collapsed .sidebar-toggle { justify-content: center; padding: 0.75rem; }
    .sidebar.collapsed .sidebar-brand,
    .sidebar.collapsed .nav-link,
    .sidebar.collapsed .sidebar-footer { justify-content: center; }
    .sidebar.collapsed .nav-link { padding: 0.75rem; }
}

.sidebar-user {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.65rem; margin-bottom: 0.75rem;
    color: var(--text-sidebar); border-radius: var(--radius-sm);
    transition: background var(--transition), color var(--transition);
}
.sidebar-user:hover { background: var(--bg-sidebar-hover); color: #fff; }
.sidebar-avatar {
    width: 34px; height: 34px; border-radius: 50%; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    background: var(--accent); color: #fff; overflow: hidden;
    font-size: 0.75rem; font-weight: 700;
}
.sidebar-avatar img { width: 100%; height: 100%; object-fit: cover; }
.sidebar-user-info { display: flex; flex-direction: column; min-width: 0; }
.sidebar-user-info strong { font-size: 0.85rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-info small { font-size: 0.72rem; color: var(--text-muted); }


/* Relay toggle grid */
.relay-toggle-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 0.75rem; }
.relay-toggle-card {
    display: flex; flex-direction: column;
    padding: 0.85rem 1rem; border-radius: var(--radius);
    border: 2px solid var(--border);
    gap: 0.6rem; background: var(--bg-secondary);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.relay-toggle-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.relay-toggle-card.relay-on { border-color: var(--success); background: var(--success-light); }
.relay-toggle-card.relay-off { border-color: var(--border); }
.relay-toggle-card.relay-disabled { opacity: 0.55; }
.relay-toggle-info { display: flex; flex-direction: column; gap: 0.18rem; min-width: 0; }
.relay-toggle-top { display: flex; flex-direction: column; gap: 0.15rem; align-items: flex-start; }
.relay-toggle-name { font-weight: 600; font-size: 0.95rem; display: block; }
.relay-toggle-room { font-size: 0.7rem; color: var(--text-muted); }
.relay-list-card .relay-toggle-top { gap: 0.35rem; }
.room-relay-detail-card { gap: 0.75rem; align-items: stretch; }
.room-relay-detail-top { gap: 0.35rem; }
.room-relay-detail-name { overflow-wrap: anywhere; }
.room-relay-detail-toggle { width: 100%; }
.relay-toggle-btn {
    padding: 0.45rem 0.9rem; border-radius: 20px; border: 1px solid;
    font-size: 0.8rem; font-weight: 700; cursor: pointer;
    transition: all 0.2s ease; width: 100%; text-align: center;
    -webkit-tap-highlight-color: transparent;
}
.relay-toggle-btn.btn-on { background: var(--success); color: #fff; border-color: var(--success); }
.relay-toggle-btn.btn-off { background: transparent; color: var(--text-secondary); border-color: var(--border); }

/* Energy flow dashboard */
.energy-flow-card { overflow: visible; }
.energy-flow {
    position: relative; min-height: 380px;
    display: grid;
    grid-template-columns: repeat(3, minmax(90px, 160px));
    grid-template-rows: repeat(3, minmax(90px, auto));
    gap: 0.85rem 6rem; align-items: center; justify-content: center;
    padding: 0.75rem;
    background:
        radial-gradient(circle at center, rgba(59,130,246,0.12), transparent 34%),
        linear-gradient(135deg, rgba(245,158,11,0.08), rgba(34,197,94,0.05));
    border: 1px solid var(--border-light);
    border-radius: calc(var(--radius) + 4px);
}
.energy-node {
    position: relative; z-index: 2;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    min-height: 85px; padding: 0.5rem; text-align: center;
    background: var(--bg-card);
    background: color-mix(in srgb, var(--bg-card) 88%, transparent);
    border: 1px solid var(--border);
    border-radius: 14px; box-shadow: var(--shadow);
}
.node-solar { grid-column: 2; grid-row: 1; border-color: rgba(245,158,11,0.45); }
.node-mppt { min-height: 60px; padding: 0.4rem; border-color: rgba(245,158,11,0.35); transform: scale(0.9); }
.node-mppt strong { font-size: 0.82rem; }
.node-mppt small { font-size: 0.68rem; }
.node-mppt1 { grid-column: 1; grid-row: 1; }
.node-mppt2 { grid-column: 3; grid-row: 1; }
.node-battery { grid-column: 1; grid-row: 2; border-color: rgba(139,92,246,0.45); }
.node-inverter { grid-column: 2; grid-row: 2; border-color: rgba(59,130,246,0.55); transform: scale(1.02); }
.node-house { grid-column: 3; grid-row: 2; border-color: rgba(34,197,94,0.45); }
.node-grid { grid-column: 2; grid-row: 3; border-color: rgba(239,68,68,0.35); }
.node-icon { font-size: 1.5rem; line-height: 1; margin-bottom: 0.2rem; }
.node-label { font-size: 0.72rem; color: var(--text-muted); font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
.energy-node strong { display: block; margin-top: 0.1rem; font-family: var(--font-mono); font-size: 1rem; color: var(--text-primary); }
.energy-node small { display: block; margin-top: 0.15rem; color: var(--text-secondary); font-size: 0.7rem; }
.battery-bar { width: 100%; height: 6px; margin-top: 0.5rem; overflow: hidden; border-radius: 999px; background: var(--bg-tertiary); }
.battery-bar span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--success), var(--warning)); }
.flow-line {
    position: absolute; z-index: 1; background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.7; border-radius: 999px;
}
.flow-line::after {
    content: ''; position: absolute; width: 10px; height: 10px; border-radius: 50%; background: var(--accent);
    box-shadow: 0 0 12px var(--accent); animation: flowPulse 1.8s infinite ease-in-out;
}
.flow-solar { left: 50%; top: 30%; width: 4px; height: 70px; transform: translateX(-50%); background: linear-gradient(180deg, var(--warning), var(--accent)); }
.flow-solar::after { left: -3px; top: 50%; }
.flow-mppt1 { left: 27%; top: 22%; width: 18%; height: 4px; background: linear-gradient(90deg, var(--warning), var(--accent)); }
.flow-mppt1::after { right: 10%; top: -3px; background: var(--warning); box-shadow: 0 0 12px var(--warning); }
.flow-mppt2 { right: 27%; top: 22%; width: 18%; height: 4px; background: linear-gradient(90deg, var(--accent), var(--warning)); }
.flow-mppt2::after { left: 10%; top: -3px; background: var(--warning); box-shadow: 0 0 12px var(--warning); }
.flow-battery { left: 28%; top: 50%; width: 18%; height: 4px; transform: translateY(-50%); }
.flow-battery::after { right: 20%; top: -3px; }
.flow-house { right: 28%; top: 50%; width: 18%; height: 4px; transform: translateY(-50%); background: linear-gradient(90deg, var(--accent), var(--success)); }
.flow-house::after { right: 18%; top: -3px; background: var(--success); box-shadow: 0 0 12px var(--success); }
.flow-grid { left: 50%; bottom: 30%; width: 4px; height: 70px; transform: translateX(-50%); background: linear-gradient(180deg, var(--accent), var(--danger)); }
.flow-grid::after { left: -3px; bottom: 45%; background: var(--danger); box-shadow: 0 0 12px var(--danger); }
@keyframes flowPulse { 0%,100% { transform: scale(0.7); opacity: 0.45; } 50% { transform: scale(1.35); opacity: 1; } }
.pv-stats-mini { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 0.6rem; }
.pv-stats-mini div { padding: 0.5rem; background: var(--bg-tertiary); border-radius: var(--radius-sm); text-align: center; border: 1px solid var(--border-light); }
.pv-stats-mini small { display: block; font-size: 0.65rem; color: var(--text-muted); }
.pv-stats-mini strong { display: block; font-size: 0.88rem; margin-top: 2px; font-family: var(--font-mono); }
.pv-stats-mini span { display: block; font-size: 0.68rem; color: var(--text-secondary); margin-top: 2px; }

@media (max-width: 900px) {
    .energy-flow { grid-template-columns: 1fr; grid-template-rows: none; min-height: auto; justify-content: stretch; }
    .energy-node, .node-solar, .node-mppt1, .node-mppt2, .node-battery, .node-inverter, .node-house, .node-grid { grid-column: 1; grid-row: auto; transform: none; }
    .flow-line { display: none; }
}

/* Device detail relay state */
.detail-relay-state { display: flex; flex-direction: column; align-items: center; gap: 1rem; padding: 1.5rem; }
.detail-relay-indicator { display: flex; align-items: center; gap: 0.75rem; padding: 1rem 2rem; border-radius: var(--radius); font-size: 1.2rem; font-weight: 700; }
.detail-relay-indicator.relay-on { background: var(--success-light); color: var(--success); border: 2px solid var(--success); }
.detail-relay-indicator.relay-off { background: var(--bg-badge); color: var(--text-muted); border: 2px solid var(--border); }
.detail-relay-dot { width: 16px; height: 16px; border-radius: 50%; display: inline-block; }
.relay-on .detail-relay-dot { background: var(--success); box-shadow: 0 0 8px var(--success); }
.relay-off .detail-relay-dot { background: var(--text-muted); }
.detail-relay-updated { font-size: 0.8rem; color: var(--text-muted); }
.detail-relay-btn { width: 200px; padding: 0.7rem 2rem; border: none; border-radius: var(--radius-sm); font-size: 1rem; font-weight: 700; cursor: pointer; color: #fff; transition: filter 0.2s; }
.detail-relay-btn.btn-relay-on { background: var(--success); }
.detail-relay-btn.btn-relay-off { background: var(--danger); }
.detail-relay-btn:hover { filter: brightness(1.15); }
.device-relay-form { margin-top: 0.5rem; display: flex; }

/* Sensor cards */
.sensor-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(185px, 1fr)); gap: 0.75rem; }
.sensor-card {
    display: flex; flex-direction: column; gap: 0.4rem;
    padding: 1rem; border-radius: var(--radius);
    border: 2px solid var(--border); border-left: 5px solid var(--border);
    background: var(--bg-secondary);
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
    color: var(--text-primary); text-decoration: none;
}
.sensor-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.sensor-card.sensor-hot { border-left-color: var(--danger); }
.sensor-card.sensor-warm { border-left-color: var(--warning); }
.sensor-card.sensor-cool { border-left-color: var(--accent); }
.sensor-name { font-weight: 600; font-size: 0.9rem; }
.sensor-values { display: flex; gap: 0.75rem; margin-top: 0.25rem; align-items: baseline; }
.sensor-temp { font-family: var(--font-mono); font-size: 1.35rem; font-weight: 700; color: var(--danger); display: flex; align-items: center; gap: 0.3rem; }
.sensor-temp svg,
.sensor-hum svg { flex-shrink: 0; }
.sensor-hum { font-family: var(--font-mono); font-size: 1.35rem; font-weight: 700; color: var(--accent); display: flex; align-items: center; gap: 0.3rem; }
.sensor-bar { width: 100%; height: 6px; margin-top: 0.25rem; background: var(--bg-tertiary); border-radius: 999px; overflow: hidden; }
.sensor-bar-fill { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--accent), var(--warning), var(--danger)); transition: width 0.5s; }
.sensor-time { font-size: 0.7rem; color: var(--text-muted); }

/* Sensor chart SVG */
.sensor-chart-container { width: 100%; overflow-x: auto; }
.sensor-chart-svg { width: 100%; height: auto; display: block; }
.sensor-chart-wrap { position: relative; width: 100%; }
.chart-tooltip {
    display: none; position: absolute; pointer-events: none;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-sm); padding: 0.4rem 0.6rem;
    font-size: 0.78rem; box-shadow: var(--shadow); white-space: nowrap;
    z-index: 50;
}
.chart-tooltip strong { font-family: var(--font-mono); }
.chart-tooltip small { color: var(--text-muted); }
.chart-hit { cursor: crosshair; }
.legend-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 4px; vertical-align: middle; }

/* Clima controls */
.clima-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.clima-card { border: 1px solid var(--border); }
.clima-controls { display: flex; flex-direction: column; gap: 0.75rem; }
.clima-row { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; }
.clima-row > span:first-child { font-size: 0.85rem; font-weight: 500; color: var(--text-secondary); min-width: 80px; }
.clima-form { display: inline-flex; margin: 0; }
.clima-btn { padding: 0.5rem 1.5rem; border: 2px solid var(--border); border-radius: var(--radius-sm); font-weight: 700; font-size: 0.85rem; cursor: pointer; background: var(--bg-secondary); color: var(--text-primary); transition: all 0.2s; }
.clima-btn:hover { border-color: var(--accent); }
.clima-btn.active { background: var(--success); color: #fff; border-color: var(--success); }
.clima-temp { display: flex; align-items: center; gap: 0.5rem; }
.clima-temp-btn { width: 30px; height: 30px; border: 1px solid var(--border); border-radius: 50%; background: var(--bg-secondary); color: var(--text-primary); font-size: 1.1rem; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.clima-temp-btn:hover { border-color: var(--accent); }
.clima-temp-val { font-family: var(--font-mono); font-size: 1.5rem; font-weight: 700; min-width: 60px; text-align: center; }
.clima-modes, .clima-fan { display: flex; gap: 0.25rem; flex-wrap: wrap; }
.clima-mode-btn, .clima-fan-btn { padding: 0.3rem 0.6rem; border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 0.75rem; cursor: pointer; background: var(--bg-secondary); color: var(--text-primary); }
.clima-mode-btn.active, .clima-fan-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.clima-mode-btn:hover, .clima-fan-btn:hover { border-color: var(--accent); }
.device-relay-btn { flex: 1; padding: 0.35rem 0.75rem; border: 1px solid; border-radius: var(--radius-sm); font-size: 0.78rem; font-weight: 700; cursor: pointer; transition: filter 0.2s; -webkit-tap-highlight-color: transparent; }
.device-relay-btn.btn-relay-on, .device-relay-btn.btn-on { background: var(--success); color: #fff; border-color: var(--success); }
.device-relay-btn.btn-relay-off, .device-relay-btn.btn-off { background: transparent; color: var(--text-secondary); border-color: var(--border); }
.room-detail-relay-actions { width: 100%; display: flex; justify-content: flex-start; }
.device-card.relay-on-card { border-left: 3px solid var(--success); }
.device-card.relay-off-card { border-left: 3px solid var(--border); }
.device-card { position: relative; min-width: 0; }
.profile-avatar-upload { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.profile-avatar-preview { width: 80px; height: 80px; border-radius: 50%; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: 700; overflow: hidden; }
.profile-avatar-preview img { width: 100%; height: 100%; object-fit: cover; }

/* Mobile bottom bar */
.mobile-bottom-bar { display: none; }
@media (max-width: 1200px) {
    .mobile-bottom-bar {
        display: flex; position: fixed; bottom: 0; left: 0; right: 0;
        z-index: 200; background: var(--bg-card); border-top: 1px solid var(--border);
        overflow-x: auto; white-space: nowrap; padding: 0.5rem;
        gap: 0.4rem; scrollbar-width: none;
    }
    .mobile-bottom-bar::-webkit-scrollbar { display: none; }
    .room-chip-bottom {
        flex: 0 0 auto; padding: 0.35rem 0.85rem; border-radius: 20px;
        font-size: 0.78rem; font-weight: 500; color: var(--text-secondary);
        background: var(--bg-tertiary); text-decoration: none; transition: all 0.2s;
    }
    .room-chip-bottom:hover { background: var(--accent); color: #fff; }
    .main-wrapper { padding-bottom: 55px; }
    .topbar-title h1 { font-size: 1rem; }
    .date-display, .weather-display, .clock { font-size: 0.75rem !important; }
    .topbar { padding: 0 0.75rem; }
    .topbar-right { gap: 0.45rem; min-width: 0; flex-shrink: 1; }
    .date-display { display: none; }
}

/* Room cards with relay controls */
.room-card { text-decoration: none; color: var(--text-primary); cursor: pointer; padding: 0; }
.room-card:hover { border-color: var(--accent); }
.room-card-header { display: flex; justify-content: space-between; align-items: center; padding: 0.75rem 0.85rem 0.4rem; }
.room-card-header h4 { font-size: 1rem; font-weight: 600; }
.room-card-temp { display: flex; gap: 0.5rem; font-family: var(--font-mono); font-size: 0.92rem; }
.room-card-temp .temp-val { color: var(--danger); }
.room-card-temp .hum-val { color: var(--accent); }
.room-card-summary { display: flex; gap: 0.5rem; flex-wrap: wrap; padding: 0 0.85rem 0.4rem; }
.summary-chip { font-size: 0.72rem; color: var(--text-secondary); background: var(--bg-tertiary); padding: 0.15rem 0.5rem; border-radius: 999px; }
.room-relay-row { display: flex; align-items: center; justify-content: space-between; gap: 0.4rem; padding: 0.35rem 0.85rem; border-top: 1px solid var(--border-light); min-width: 0; }
.room-relay-row:first-of-type { border-top: 1px solid var(--border-light); }
.room-relay-row:last-of-type { padding-bottom: 0.65rem; }
.room-relay-name { font-size: 0.82rem; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; flex-shrink: 1; }
.room-relay-name.on { color: var(--success); }
.room-relay-btn { padding: 0.2rem 0.7rem; border: 1px solid; border-radius: 999px; font-size: 0.72rem; font-weight: 600; cursor: pointer; transition: all 0.15s; -webkit-tap-highlight-color: transparent; }
.room-relay-btn.btn-on { background: var(--success); color: #fff; border-color: var(--success); }
.room-relay-btn.btn-off { background: transparent; color: var(--text-secondary); border-color: var(--border); }

@media (hover: hover) and (pointer: fine) {
    .relay-toggle-btn.btn-on:hover { filter: brightness(1.15); transform: scale(1.05); }
    .relay-toggle-btn.btn-off:hover { background: var(--danger); color: #fff; border-color: var(--danger); }
    .device-relay-btn:hover { filter: brightness(1.15); }
    .room-relay-btn.btn-off:hover { background: var(--danger); color: #fff; border-color: var(--danger); }
    .relay-toggle-btn.btn-off:hover, .device-relay-btn.btn-off:hover { background: var(--danger); color: #fff; }
}

/* Mobile layouts */
@media (max-width: 600px) {
    .hide-mobile { display: none !important; }
    .hide-desktop { display: block; }
    .hide-desktop.stats-compact { display: grid; }
    .stats-row { display: none; }
    .network-stats-compact { display: grid; }
    .relay-toggle-grid { grid-template-columns: repeat(2, 1fr); }
    .device-grid { grid-template-columns: 1fr; gap: 0.6rem; }
    .main-content { padding: 0.75rem; }
    .clima-grid { grid-template-columns: 1fr; }
    .page-header h2 { font-size: 1.1rem; }
    .device-card { padding: 0.85rem; gap: 0.6rem; }
    .card-body { padding: 0.85rem; }
    .relay-toggle-card { padding: 0.65rem 0.75rem; }
    .energy-flow { padding: 0.5rem; gap: 0.6rem; }
    .energy-node { padding: 0.5rem; min-height: 65px; }
    .pv-stats-mini { grid-template-columns: repeat(2, 1fr); gap: 0.4rem; }
    .pv-stats-mini div { padding: 0.5rem; }
    .sensor-grid { grid-template-columns: 1fr; }
    .btn-group { gap: 0.15rem; }
    .btn-group .btn-sm { padding: 0.25rem 0.45rem; font-size: 0.72rem; }
    .page-header { margin-bottom: 0.75rem; }
    .page-header h2 { font-size: 1rem; }
    .page-header-stack-mobile { flex-direction: column; align-items: stretch; }
    .page-header-stack-mobile .btn { width: 100%; justify-content: center; }
    .topbar { padding: 0 0.6rem; gap: 0.35rem; }
    .topbar-right { gap: 0.35rem; min-width: 0; flex-shrink: 1; }
    .weather-display { display: inline; }
    .clock { display: none; }
    .topbar-brand, .topbar-sep { display: none; }
    .topbar-title { font-size: 0.9rem; }
    .relay-toggle-card, .energy-node, .pv-stats-mini div { min-width: 0; }
    .relay-toggle-name { overflow-wrap: anywhere; }
    .table-wrap { overflow-x: auto; }
    .table-wrap table { min-width: 0; }
    .users-table thead { display: none; }
    .users-table,
    .users-table tbody,
    .users-table tr,
    .users-table td { display: block; width: 100%; }
    .users-table tr {
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        background: var(--bg-card);
        margin-bottom: 0.75rem;
        padding: 0.25rem 0;
    }
    .users-table td {
        border-bottom: 1px solid var(--border-light);
        padding: 0.55rem 0.85rem;
    }
    .users-table td:last-child { border-bottom: 0; }
    .users-table td::before {
        content: attr(data-label);
        display: block;
        font-size: 0.72rem;
        font-weight: 600;
        color: var(--text-muted);
        margin-bottom: 0.2rem;
        text-transform: uppercase;
        letter-spacing: 0.02em;
    }
    .users-table .action-group { margin-top: 0.15rem; }
    .network-stats-row { display: none; }
    .mini-gauge-wrap { min-width: 70px; }
    .mini-gauge { width: 70px; height: 42px; }
    .mini-gauge-max { display: none; }
    .sensor-chart-wrap.network-chart-wrap { max-width: 100%; overflow: hidden; }
    .network-chart-wrap .sensor-chart-svg { width: 100%; height: auto; max-height: 140px; }
    .card-header { padding: 0.5rem 0.85rem; }
    .card-title { font-size: 0.85rem; }
    .btn-group .btn-sm { padding: 0.2rem 0.35rem; font-size: 0.68rem; }
    .mt-4 { margin-top: 0.6rem; }
    .card.mb-4, .card.mt-4 { margin-bottom: 0.6rem; }
    .card .card-body { padding: 0.6rem 0.75rem; }
    .nd-row { display: block; padding: 0.65rem 0; }
    .nd-row .nd-sep { display: none; }
    .nd-row .nd-name,
    .nd-row .nd-ip,
    .nd-row .nd-type,
    .nd-row .nd-wifi,
    .nd-row .nd-lan { display: block; font-size: 0.82rem; padding: 0.1rem 0; }
    .nd-row .nd-name { font-size: 0.92rem; }
    .nd-row [data-label]::before { content: attr(data-label) ": "; font-weight: 600; color: var(--text-muted); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.02em; margin-right: 0.3rem; }
    .nd-row .nd-dot { position: absolute; top: 0.85rem; right: 0.85rem; }
    .nd-row { position: relative; }
    .mini-gauge { width: 70px; height: 42px; }
    .mini-gauge-max { display: none; }
}
@media (max-width: 380px) {
    .room-relay-row { flex-wrap: wrap; gap: 0.25rem; }
    .room-relay-name { white-space: normal; }
    .relay-toggle-grid { grid-template-columns: 1fr; }
    .main-content { padding: 0.5rem; }
    .stats-compact { padding: 0.5rem; gap: 0.3rem; }
    .stats-compact-item .stat-value { font-size: 0.85rem; }
    .topbar { padding: 0 0.45rem; }
    .topbar-title { font-size: 0.85rem; }
}
@media (min-width: 601px) {
    .hide-desktop { display: none !important; }
    .hide-mobile { display: table; }
}
/* Mobile unified stat card */
.stats-compact {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 0.75rem;
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.5rem;
    margin-bottom: 1rem; min-width: 0;
}
.stats-compact-item { display: flex; align-items: center; gap: 0.5rem; min-width: 0; }
.stats-compact-item > div { min-width: 0; }
.stats-compact-item .stat-value { font-size: 1rem; overflow-wrap: anywhere; }
.stats-compact-item .stat-label { font-size: 0.68rem; }
.floorplan-wrap { max-width: 776px; margin: 0 auto; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; }
.floorplan-wrap svg { width: 100%; height: auto; display: block; }
.fp-legend { max-width: 776px; margin: 1rem auto; padding: 1rem; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); }
.fp-legend h3 { margin-bottom: 0.75rem; font-size: 1rem; }
.fp-item { padding: 0.35rem 0; display: flex; align-items: center; gap: 0.6rem; font-size: 0.9rem; }
.fp-dot { display: inline-block; width: 12px; height: 12px; border-radius: 4px; flex-shrink: 0; }
.fp-label { font-size: 14px; font-weight: 700; fill: #1e293b; pointer-events: none; user-select: none; }
.fp-toolbar { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.75rem; padding: 0.6rem 0.85rem; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); }
.fp-room-picker { display: flex; align-items: center; gap: 0.35rem; font-size: 0.85rem; }
.fp-room-picker input { width: 140px; padding: 0.3rem 0.5rem; border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 0.82rem; background: var(--bg-input); color: var(--text-primary); }
.fp-canvas-wrap { position: relative; max-width: 776px; margin: 0 auto; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; touch-action: none; }
.fp-canvas-wrap svg { width: 100%; height: auto; display: block; }
.fp-bg { position: relative; }
.fp-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; pointer-events: all; }
.fp-room-list { max-width: 776px; margin: 0.75rem auto; padding: 0.85rem; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); }
.fp-room-list h3 { font-size: 0.95rem; margin-bottom: 0.5rem; }
.fp-item { display: flex; align-items: center; gap: 0.5rem; padding: 0.3rem 0; font-size: 0.85rem; }
.fp-count { font-size: 0.72rem; color: var(--text-muted); }
.fp-room-editor { max-width: 776px; margin: 0.75rem auto; padding: 0.85rem; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); }
.fp-editor-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-bottom: 0.75rem; }
.fp-editor-field label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 0.25rem; }
.fp-editor-field textarea { width: 100%; padding: 0.4rem 0.5rem; border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 0.82rem; background: var(--bg-input); color: var(--text-primary); resize: vertical; font-family: inherit; }
.fp-device-toggles { display: flex; flex-direction: column; gap: 0.35rem; }
.fp-device-btn { display: flex; align-items: center; gap: 0.4rem; font-size: 0.85rem; cursor: pointer; padding: 0.3rem 0.5rem; border-radius: var(--radius-sm); border: 1px solid var(--border); }
.fp-device-btn input { width: auto; accent-color: var(--accent); }
.fp-object-palette { max-width: 776px; margin: 0.75rem auto; padding: 0.75rem; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 0.5rem; }
.fp-palette-item { padding: 0.55rem 0.7rem; border: 1px dashed var(--border); border-radius: var(--radius-sm); background: var(--bg-input); display: flex; flex-direction: column; gap: 0.15rem; cursor: grab; user-select: none; }
.fp-palette-item span { font-size: 0.88rem; font-weight: 600; color: var(--text-primary); }
.fp-palette-item small { font-size: 0.72rem; color: var(--text-muted); }
.fp-palette-item:active { cursor: grabbing; }
.smartfloor-wrap { margin: 0; padding: 0; }
.smartfloor-svg { width: calc(100vh - 64px); height: auto; }
.smartfloor-wrap svg { width: 100%; height: auto; display: block; }
.smartfloor-legend { max-width: 776px; margin: 0.75rem auto; }
.smartfloor-legend h3 { font-size: 0.95rem; margin-bottom: 0.5rem; }
.smartfloor-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 0.6rem; }
.smart-room-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0.6rem 0.75rem; display: flex; flex-direction: column; gap: 0.2rem; }