/* layout.css - iOS 风 phone-shell 布局 + 顶部 header + 浮岛 dock */
.phone-shell {
    width: 100%;
    max-width: 1200px;
    min-height: 100vh;
    margin: 0 auto;
    padding: max(10px, env(safe-area-inset-top)) 16px calc(120px + env(safe-area-inset-bottom));
    display: flex;
    flex-direction: column;
}

/* 顶部导航（参考 app-header） */
.top-nav, .app-header {
    min-height: 64px;
    padding: 6px 4px 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    position: sticky;
    top: 0;
    z-index: 50;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: none;
}
.nav-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    min-width: 0;
}
.eyebrow {
    margin: 0 0 3px;
    color: var(--blue);
    font-size: 10px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    max-width: min(520px, calc(100vw - 104px));
}
.brand-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--blue);
    box-shadow: 0 0 12px rgba(var(--blue-rgb), 0.6);
    animation: pulse 2.4s ease-in-out infinite;
    margin-right: 6px;
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.85); }
}
.nav-title {
    font-size: 18px;
    font-weight: 650;
    letter-spacing: 0;
    line-height: 1.06;
    color: var(--ink);
}
.nav-subtitle {
    font-size: 12px;
    color: var(--muted);
    font-weight: 580;
    margin-left: 4px;
    font-variant-numeric: tabular-nums;
}
.nav-status {
    display: flex;
    align-items: center;
    gap: 7px;
}
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: var(--glass-gradient);
    color: var(--red);
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--radius-full);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    box-shadow: var(--hairline), var(--soft-shadow);
    transition: var(--transition);
}
.status-pill.online {
    color: var(--green);
}
.pill-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    box-shadow: 0 0 6px currentColor;
}

/* 圆形图标按钮（参考 icon-button） */
.icon-btn, .icon-button, .small-icon {
    border: 0;
    display: grid;
    place-items: center;
    color: var(--ink);
    background: var(--glass-gradient);
    box-shadow: var(--hairline), var(--soft-shadow), var(--accent-glow);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    width: 34px;
    height: 34px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}
.icon-btn:hover, .icon-button:hover {
    color: var(--blue);
}
.icon-btn:active, .icon-button:active, .small-icon:active {
    transform: translateY(1px);
}
.icon-btn svg, .icon-button svg, .small-icon svg {
    width: 17px;
    height: 17px;
    stroke-width: 2.2;
}

/* 主容器 */
.page-container {
    flex: 1;
    width: 100%;
    margin: 0 auto;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* 底部 Dock - 浮岛毛玻璃 */
.bottom-dock {
    position: fixed;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 32px);
    max-width: 560px;
    z-index: 50;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
    background: var(--glass-gradient);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border-radius: var(--radius-xl);
    box-shadow: var(--hairline), 0 12px 36px rgba(15, 23, 42, 0.14), 0 4px 12px rgba(15, 23, 42, 0.08);
}
.dock-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 8px 22px;
    color: var(--subtle);
    text-decoration: none;
    font-size: 11px;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    min-width: 70px;
    background: transparent;
    border: 0;
    cursor: pointer;
    position: relative;
}
.dock-item svg { opacity: 0.7; transition: var(--transition); width: 22px; height: 22px; }
.dock-item.active {
    color: var(--blue);
    background: rgba(var(--blue-rgb), 0.12);
}
.dock-item.active svg { opacity: 1; }
.dock-item:active { transform: scale(0.94); }
.dock-item.active::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--blue);
    box-shadow: 0 0 6px var(--blue);
}

/* 主题面板 */
.theme-panel {
    position: fixed;
    top: 80px;
    right: 16px;
    width: 280px;
    max-width: calc(100vw - 32px);
    background: var(--glass-gradient);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 0;
    border-radius: var(--radius-xl);
    box-shadow: var(--hairline), var(--shadow-lg);
    padding: 16px;
    z-index: 100;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}
.theme-panel.show {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}
.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}
.panel-header h3 { font-size: 15px; font-weight: 700; }
.close-btn {
    background: transparent;
    border: 0;
    font-size: 22px;
    color: var(--muted);
    cursor: pointer;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    line-height: 1;
}
.close-btn:hover { background: rgba(var(--blue-rgb), 0.08); color: var(--blue); }
.panel-body { display: flex; flex-direction: column; gap: 12px; }
.theme-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.theme-row label { font-size: 13px; color: var(--muted); font-weight: 500; }
.theme-row input[type="color"] {
    width: 44px;
    height: 28px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: 2px;
    background: transparent;
}
.theme-row input[type="range"] { flex: 1; }
.theme-actions { display: flex; gap: 8px; margin-top: 4px; }
.theme-actions .btn { flex: 1; }

/* 主题模式切换（亮色/暗黑） */
.theme-mode-switch {
    display: flex;
    gap: 4px;
    padding: 3px;
    background: var(--glass-inner);
    border-radius: var(--radius-full);
    box-shadow: inset 0 0 0 1px var(--color-border-light);
}
.mode-btn {
    border: 0;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--muted);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-sans);
}
.mode-btn.active {
    background: var(--blue);
    color: #fff;
    box-shadow: 0 4px 12px rgba(var(--blue-rgb), 0.28);
}
.mode-btn:not(.active):hover {
    color: var(--ink);
    background: rgba(var(--blue-rgb), 0.08);
}

/* Modal + Toast */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at 50% 100%, rgba(10, 132, 255, 0.16), transparent 34%), rgba(8, 10, 14, 0.32);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal-overlay.show { display: flex; }
.modal {
    background: linear-gradient(145deg, var(--surface-strong), var(--surface) 56%, var(--surface-soft));
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 0;
    border-radius: var(--radius-xl);
    padding: 22px;
    width: 100%;
    max-width: 360px;
    box-shadow: var(--hairline), var(--shadow-lg);
}
.modal h3 { font-size: 16px; font-weight: 700; margin-bottom: 14px; color: var(--ink); }
.modal input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--glass-inner);
    color: var(--ink);
    font-size: 14px;
    font-family: var(--font-mono);
    margin-bottom: 14px;
    transition: var(--transition);
}
.modal input:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(var(--blue-rgb), 0.18);
}
.modal-message {
    padding: 16px 0;
    line-height: 1.6;
    white-space: pre-wrap;
    font-size: 14px;
    color: var(--text-2);
}
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; }

.toast-container {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
    max-height: calc(100vh - 160px);
    overflow: hidden;
}
.toast {
    background: var(--glass-gradient);
    color: var(--ink);
    padding: 10px 18px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    box-shadow: var(--hairline), var(--soft-shadow);
    animation: toast-in 240ms cubic-bezier(0.4, 0, 0.2, 1);
    max-width: 90vw;
}
.toast.success { color: var(--green); }
.toast.error { color: var(--red); }
.toast.warning { color: var(--orange); }
@keyframes toast-in {
    from { opacity: 0; transform: translateY(-12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 响应式 - 大屏 */
@media (min-width: 768px) {
    .phone-shell { padding-left: 32px; padding-right: 32px; }
    .nav-title { font-size: 22px; }
    .nav-subtitle { font-size: 13px; }
    .page-container { gap: 14px; }
    .card { padding: 20px 22px; }
    .info-grid { grid-template-columns: repeat(3, 1fr); gap: 0 24px; }
    .cell-grid, .cells-grid { grid-template-columns: repeat(8, 1fr); gap: 12px 10px; }
    .temp-grid, .temperature-list { grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 10px; }
    .hero-card { padding: 22px; }
    .metric-value { font-size: 32px; }
    .form-grid-2 { grid-template-columns: repeat(3, 1fr); }
    .form-actions { gap: 12px; }
    .form-actions .btn { min-width: 140px; }
    .dock-item { padding: 8px 28px; font-size: 12px; }
    .dock-item svg { width: 24px; height: 24px; }
}
@media (min-width: 1200px) {
    .phone-shell { padding-left: 48px; padding-right: 48px; }
    .cell-grid, .cells-grid { grid-template-columns: repeat(10, 1fr); }
    .info-grid { grid-template-columns: repeat(4, 1fr); }
    .temp-grid, .temperature-list { grid-template-columns: repeat(8, minmax(0, 1fr)); }
}