:root {
    --bg: #0f1419;
    --card: #1a2332;
    --text: #e7ecf3;
    --muted: #8b98a8;
    --accent: #3dd68c;
    --accent-hover: #2fb872;
    --danger: #f07178;
    --border: #2a3544;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

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

.container { max-width: 960px; margin: 0 auto; padding: 1rem; }

.topbar {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding-top: env(safe-area-inset-top);
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    min-height: 3rem;
}

.brand { font-weight: 700; font-size: 1.1rem; color: var(--text); min-width: 0; flex: 1; }

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.topbar-user {
    font-size: 0.85rem;
    max-width: 8rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
    color: var(--text);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
    display: block;
    width: 1.15rem;
    height: 2px;
    background: currentColor;
    border-radius: 1px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle-icon {
    position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
    content: "";
    position: absolute;
    left: 0;
}

.nav-toggle-icon::before { top: -6px; }
.nav-toggle-icon::after { top: 6px; }

body.nav-open .nav-toggle-icon { background: transparent; }
body.nav-open .nav-toggle-icon::before { transform: translateY(6px) rotate(45deg); }
body.nav-open .nav-toggle-icon::after { transform: translateY(-6px) rotate(-45deg); }

.nav-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 90;
    background: rgba(0, 0, 0, 0.55);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
}

body.nav-open .nav-backdrop {
    display: block;
}

.site-nav {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    z-index: 100;
    flex-direction: column;
    width: min(18rem, 88vw);
    max-width: 100%;
    height: 100%;
    height: 100dvh;
    background: var(--card);
    border-left: 1px solid var(--border);
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.35);
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
    padding-right: env(safe-area-inset-right);
}

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

body.nav-open {
    overflow: hidden;
}

.site-nav-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 1rem 1rem 0.75rem;
    border-bottom: 1px solid var(--border);
}

.site-nav-user {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    min-width: 0;
}

.site-nav-user strong {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nav-close {
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    border-radius: 8px;
    background: var(--bg);
    color: var(--muted);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
}

.site-nav-body {
    flex: 1;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 0.5rem 0.75rem;
    -webkit-overflow-scrolling: touch;
}

.site-nav-label {
    margin: 0.85rem 0.5rem 0.35rem;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--muted);
}

.site-nav-link {
    display: block;
    padding: 0.75rem 0.85rem;
    border-radius: 8px;
    color: var(--text);
    font-size: 0.95rem;
    text-decoration: none;
    -webkit-tap-highlight-color: transparent;
}

.site-nav-link:hover,
.site-nav-link:active {
    background: rgba(61, 214, 140, 0.1);
    text-decoration: none;
    color: var(--accent);
}

.site-nav-foot {
    padding: 0.75rem;
    border-top: 1px solid var(--border);
}

.site-nav-logout {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
    color: var(--danger);
    font-size: 0.95rem;
    cursor: pointer;
}

.push-panel { margin-bottom: 0.75rem; }
.push-status { margin: 0.35rem 0 0.5rem; }
.push-status.push-ok { color: var(--accent); }
.push-status.push-off { color: var(--muted); }
.push-hint { margin: 0 0 0.5rem; color: var(--muted); line-height: 1.35; }
.site-nav-push-btn {
    width: 100%;
    margin-bottom: 0.35rem;
    text-align: center;
    font-size: 0.9rem;
}

@media (max-width: 480px) {
    .brand-tag { display: none; }
    .topbar-user { display: none; }
}

@media (min-width: 481px) {
    .topbar-user { max-width: 12rem; }
}

@media (min-width: 900px) {
    .topbar-user { max-width: 16rem; }
}

.muted { color: var(--muted); }
.small { font-size: 0.875rem; }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.dashboard-activity {
    padding: 0.65rem 1rem;
}

.collapse-panel-separated {
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border);
}

.collapse-panel summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.35rem 0;
    cursor: pointer;
    font-weight: 600;
    list-style: none;
    user-select: none;
}

.collapse-panel summary::-webkit-details-marker {
    display: none;
}

.collapse-panel summary::before {
    content: '▸';
    margin-right: 0.45rem;
    color: var(--muted);
    flex-shrink: 0;
}

.collapse-panel[open] summary::before {
    content: '▾';
}

.collapse-panel summary > span:first-child {
    flex: 1;
    min-width: 0;
}

.collapse-panel-body {
    max-height: 16rem;
    overflow-y: auto;
    margin: 0.35rem 0 0.15rem;
    padding-right: 0.15rem;
}

.collapse-panel-body .todo-item:last-child,
.collapse-panel-body li:last-child {
    margin-bottom: 0;
}

.collapse-panel-foot {
    display: inline-block;
    margin-top: 0.5rem;
}

.narrow { max-width: 420px; }

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

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 720px) {
    .grid-2 { grid-template-columns: 1fr; }
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .page-header .actions {
        flex-wrap: wrap;
        width: 100%;
    }
}

.box-card { display: block; color: inherit; transition: border-color 0.15s; }
.box-card:hover { border-color: var(--accent); text-decoration: none; }

label {
    display: block;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

input, textarea, select {
    width: 100%;
    margin-top: 0.35rem;
    padding: 0.55rem 0.65rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg);
    color: var(--text);
}

.btn {
    display: inline-block;
    padding: 0.55rem 1rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--card);
    color: var(--text);
    cursor: pointer;
    font-size: 0.95rem;
}

.btn.primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #0f1419;
    font-weight: 600;
}

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

.btn.danger {
    border-color: var(--danger);
    color: var(--danger);
}

.link-btn {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    padding: 0;
    font: inherit;
}

.inline { display: inline; }

.actions { display: flex; gap: 0.5rem; align-items: center; }

.alert {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
}

.alert-success {
    background: rgba(61, 214, 140, 0.15);
    border: 1px solid var(--accent);
}

.alert-error {
    background: rgba(240, 113, 120, 0.15);
    border: 1px solid var(--danger);
}

.badge {
    display: inline-block;
    padding: 0.1rem 0.45rem;
    border-radius: 4px;
    background: var(--border);
    font-size: 0.75rem;
}

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.5rem; border-bottom: 1px solid var(--border); }

.list { list-style: none; padding: 0; margin: 0; }
.list li { padding: 0.35rem 0; border-bottom: 1px solid var(--border); }

hr { border: none; border-top: 1px solid var(--border); margin: 1rem 0; }

.brand { display: flex; flex-direction: column; color: var(--text); text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand-name { font-weight: 700; font-size: 1.15rem; }
.brand-tag { font-size: 0.75rem; color: var(--muted); font-weight: 400; }

.badge-ok { background: rgba(61, 214, 140, 0.2); color: var(--accent); }
.badge-off { background: rgba(139, 152, 168, 0.2); color: var(--muted); }

.box-card-top { display: flex; justify-content: space-between; align-items: start; gap: 0.5rem; }

.sensor-mini { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.85rem; margin: 0.5rem 0; }

.sensor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.75rem;
}

.sensor-tile {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem;
    text-align: center;
}

.sensor-label { font-size: 0.8rem; color: var(--muted); }
.sensor-value { font-size: 1.4rem; font-weight: 700; color: var(--accent); margin: 0.25rem 0; }
.sensor-time { font-size: 0.7rem; color: var(--muted); }

.grid-2.compact { gap: 0.5rem; }
.grid-2.compact label { margin-bottom: 0.5rem; }

.checkbox { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1rem; }
.checkbox input { width: auto; margin: 0; }

.password-field {
    margin-bottom: 0.75rem;
}

.password-field > input[type="password"],
.password-field > input[type="text"] {
    margin-top: 0;
    margin-bottom: 0.5rem;
}

.password-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--muted);
    margin: 0;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.password-toggle-input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.password-toggle-switch {
    position: relative;
    width: 2.5rem;
    height: 1.35rem;
    background: var(--border);
    border-radius: 999px;
    transition: background 0.2s ease;
    flex-shrink: 0;
}

.password-toggle-switch::after {
    content: "";
    position: absolute;
    top: 2px;
    left: 2px;
    width: 1rem;
    height: 1rem;
    background: var(--text);
    border-radius: 50%;
    transition: transform 0.2s ease;
}

.password-toggle-input:checked + .password-toggle-switch {
    background: var(--accent);
}

.password-toggle-input:checked + .password-toggle-switch::after {
    transform: translateX(1.15rem);
    background: #0f1419;
}

.password-toggle-input:checked ~ .password-toggle-text {
    color: var(--accent);
}

.api-key code {
    display: block;
    margin-top: 0.35rem;
    padding: 0.5rem;
    background: var(--bg);
    border-radius: 4px;
    font-size: 0.75rem;
    word-break: break-all;
}

.device-block { padding: 0.75rem 0; border-bottom: 1px solid var(--border); }
.device-block:last-child { border-bottom: none; }

.api-doc pre {
    background: var(--bg);
    padding: 0.75rem;
    border-radius: 6px;
    overflow-x: auto;
    font-size: 0.75rem;
    line-height: 1.45;
}

.mt { margin-top: 1rem; }
.todo-list { list-style: none; padding: 0; margin: 0; }
.todo-item {
    display: flex; justify-content: space-between; align-items: center; gap: 1rem;
    padding: 0.75rem 0; border-bottom: 1px solid var(--border);
}
.todo-item.priority-high { border-left: 3px solid var(--danger); padding-left: 0.5rem; }
.todo-item.priority-critical { border-left: 3px solid #ff4444; padding-left: 0.5rem; }
.todo-item.priority-medium { border-left: 3px solid #e6c229; padding-left: 0.5rem; }
.badge.priority-critical { background: rgba(255, 68, 68, 0.25); color: #ff8888; }
.badge.priority-high { background: rgba(240, 113, 120, 0.2); color: var(--danger); }
.badge.priority-medium { background: rgba(230, 194, 41, 0.2); color: #e6c229; }

.ai-card { margin-bottom: 1rem; }
.ai-card-head { display: flex; justify-content: space-between; align-items: start; gap: 0.5rem; margin-bottom: 0.5rem; }
.inline-form { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: end; }
.inline-form select { width: auto; min-width: 120px; margin-top: 0; }
.inline-form .btn { margin-top: 0.35rem; }

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: end;
}
.filter-row label { margin-bottom: 0; flex: 1; min-width: 140px; }
.filter-row select { margin-top: 0.35rem; }
.filter-row .btn { margin-top: 0.35rem; }

.cycle-active { border-left: 3px solid var(--accent); padding-left: 0.75rem; }
.mono { font-family: Consolas, monospace; letter-spacing: 0.02em; }
code { font-family: Consolas, monospace; font-size: 0.85em; }
h3 { font-size: 1rem; margin: 0.75rem 0 0.5rem; }