/* --- 布局与主屏幕样式 --- */

.phone-screen {
    width: 100%;
    height: 100vh;
    background-color: #ffffff;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
}

.screen {
    display: none;
    flex-direction: column;
    width: 100%;
    flex: 1;
    overflow: hidden;
    height: auto;
    animation: fadeIn 0.5s ease;
    order: 1; /* 确保所有屏幕内容在导航栏之前 */
}

.screen.active {
    display: flex;
}

.content {
    flex-grow: 1;
    overflow-y: auto;
    padding: 20px;
    padding-bottom: 80px; /* 防止被底部导航栏遮挡 */
    position: relative;
}

/* 头部导航栏 */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    padding-top: max(10px, env(safe-area-inset-top)); /* 适配灵动岛 */
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #eee;
    flex-shrink: 0;
    position: relative;
    z-index: 10;
}

body.has-statusbar .app-header {
    padding-top: calc(35px + env(safe-area-inset-top)) !important; /* 开启状态栏时，让顶部导航栏顺位下移 */
}

.app-header .back-btn,
.app-header .action-btn {
    background: none;
    border: none;
    font-size: 24px;
    font-weight: bold;
    color: var(--func-icon-color);
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-header .action-btn svg,
.app-header .back-btn svg {
    stroke: var(--func-icon-color);
}

.app-header .action-btn-group {
    display: flex;
    align-items: center;
    gap: 7px;
}

.app-header .action-btn-group .action-btn {
    font-size: 28px;
    padding: 0;
    width: 40px;
    height: 40px;
    background-color: transparent;
    color: var(--func-icon-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
}

.app-header .action-btn-group .action-btn svg {
    width: 22px;
    height: 22px;
    stroke: var(--func-icon-color);
    stroke-width: 2;
    fill: none;
}

.app-header .action-btn img {
    width: 28px;
    height: 28px;
}

.app-header .title-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.app-header .title {
    font-size: calc(18px * var(--app-font-scale));
    font-weight: 600;
    color: var(--global-title-color);
    margin: 0;
}

.app-header .subtitle {
    font-size: calc(12px * var(--app-font-scale));
    color: #888;
    display: flex;
    align-items: center;
    margin-top: 2px;
}

.online-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--online-status-color);
    margin-right: 5px;
}

.app-header .placeholder {
    width: 40px;
}

/* 主屏幕 (Home Screen) */
#home-screen {
    background-size: cover;
    background-position: center;
    transition: background-image 0.5s ease-in-out;
    padding: calc(45px + env(safe-area-inset-top)) 5px 25px;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

body.has-statusbar #home-screen {
    padding-top: calc(75px + env(safe-area-inset-top)) !important; /* 开启状态栏时，让内容下移防止遮挡 */
}

/* 顶栏状态栏 */
.home-top-statusbar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: calc(8px + env(safe-area-inset-top)) 16px 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-color, #333);
    background: transparent;
    pointer-events: none;
    font-family: var(--font-family);
}

.home-top-statusbar .htsb-time {
    font-variant-numeric: tabular-nums;
}

.home-top-statusbar .htsb-battery {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
}

.home-top-statusbar .htsb-battery-level {
    font-variant-numeric: tabular-nums;
}

/* 夜间模式 - 全局纯黑 */
body.night-mode-active {
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --white-color: #e0e0e0;
    --primary-color: #1e1e1e;
    --secondary-color: #666;
    --accent-color: #1e1e1e;
    --top-pinned-bg: #1a1a1a;
    --panel-bg: #181818;
    --chat-bottom-bar-bg: #181818;
    --folder-pill-bg: #1e1e1e;
    --folder-pill-text: #bbb;
    --folder-pill-active-bg: #333;
    --folder-pill-active-text: #fff;
    --global-title-color: #e0e0e0;
    --nav-icon-color: #777;
    --nav-active-icon-color: #e0e0e0;
    --kkt-icon-color: #e0e0e0;
    --func-icon-color: #e0e0e0;
}

body.night-mode-active {
    background: #0e0e0e;
}

body.night-mode-active .phone-screen {
    background-color: #121212;
}

body.night-mode-active .screen {
    background-color: #121212;
}

body.night-mode-active .app-header {
    background-color: #181818;
    border-bottom-color: #222;
    color: #e0e0e0;
}

body.night-mode-active .app-header .title,
body.night-mode-active .app-header .back-btn {
    color: #e0e0e0;
}

body.night-mode-active .content {
    background-color: #121212;
}

body.night-mode-active .kkt-group,
body.night-mode-active .kkt-item,
body.night-mode-active .collapsible-header {
    background-color: #181818 !important;
    color: #e0e0e0;
    border-color: #222 !important;
}

body.night-mode-active .kkt-item-label {
    color: #e0e0e0 !important;
}

body.night-mode-active input,
body.night-mode-active textarea,
body.night-mode-active select {
    background-color: #1e1e1e;
    color: #e0e0e0;
    border-color: #333;
}

body.night-mode-active .btn {
    border-color: #333;
}

body.night-mode-active .settings-sidebar {
    background-color: #121212;
}

body.night-mode-active .modal-overlay .modal-window {
    background-color: #181818;
    color: #e0e0e0;
}

/* 夜间模式 - 聊天列表 */
body.night-mode-active .chat-item,
body.night-mode-active #chat-list-container .list-item {
    background-color: #121212 !important;
    border-bottom-color: #222 !important;
}

body.night-mode-active .chat-item:active,
body.night-mode-active #chat-list-container .list-item:hover {
    background-color: #1a1a1a !important;
}

body.night-mode-active .chat-item.pinned {
    background-color: #161616 !important;
}

body.night-mode-active .chat-item-blocked {
    background-color: #141414 !important;
}

body.night-mode-active .item-name,
body.night-mode-active #chat-list-container .item-name {
    color: #e0e0e0 !important;
}

body.night-mode-active .item-preview,
body.night-mode-active #chat-list-container .item-preview {
    color: #777 !important;
}

body.night-mode-active .item-time,
body.night-mode-active #chat-list-container .item-time {
    color: #555 !important;
}

body.night-mode-active .chat-list-header {
    background-color: #121212 !important;
    border-bottom-color: #222 !important;
}

body.night-mode-active .chat-list-header .title {
    color: #e0e0e0 !important;
}

/* 夜间模式 - 文件夹标签栏 */
body.night-mode-active .folder-tabs,
body.night-mode-active .tab-bar,
body.night-mode-active .chat-category-tabs {
    background-color: #121212 !important;
    border-bottom-color: #222 !important;
}

body.night-mode-active .tab-item {
    background-color: #1e1e1e !important;
    color: #bbb !important;
    border-color: #333 !important;
}

body.night-mode-active .tab-item.active,
body.night-mode-active .tab-item.active.pill-black {
    background-color: #333 !important;
    color: #fff !important;
    border-color: #333 !important;
}

body.night-mode-active .tab-item.pill-white,
body.night-mode-active .tab-item.tab-manage {
    background-color: #1e1e1e !important;
    border-color: #333 !important;
    color: #999 !important;
}

/* 夜间模式 - 聊天详情页 */
body.night-mode-active #chat-room-screen {
    background-color: #0e0e0e !important;
}

body.night-mode-active #chat-room-screen .content {
    background-color: #0e0e0e !important;
}

body.night-mode-active .message-bubble {
    background-color: #1e1e1e;
    color: #e0e0e0;
}

body.night-mode-active .message-wrapper.sent .message-bubble {
    background-color: #2a2a2a;
    color: #e0e0e0;
}

body.night-mode-active .message-input-area,
body.night-mode-active .bottom-input-area,
body.night-mode-active .chat-input-wrapper {
    background-color: #181818 !important;
    border-top-color: #222 !important;
}

body.night-mode-active .message-input-area textarea,
body.night-mode-active .message-input-area input[type="text"] {
    background-color: #1e1e1e !important;
    color: #e0e0e0 !important;
    border-color: #333 !important;
}

body.night-mode-active .message-input-area .icon-btn.circle-bg {
    background-color: #1e1e1e !important;
    color: #e0e0e0 !important;
}

body.night-mode-active .message-info .sender-name {
    color: #aaa;
}

body.night-mode-active .message-info .message-time {
    color: #666;
}

/* 夜间模式 - 底部导航 */
body.night-mode-active .bottom-nav {
    background-color: #121212 !important;
    border-top-color: #222 !important;
}

/* 夜间模式 - 搜索栏 */
body.night-mode-active .search-bar,
body.night-mode-active .search-input {
    background-color: #1e1e1e !important;
    color: #e0e0e0 !important;
    border-color: #333 !important;
}

/* 夜间模式 - 表情包面板 */
body.night-mode-active #panel-sticker-area,
body.night-mode-active #panel-sticker-area .header,
body.night-mode-active #sticker-manage-bar {
    background-color: #181818 !important;
}

body.night-mode-active .sticker-category-bar {
    background-color: #181818 !important;
    border-bottom-color: #222 !important;
}

/* 夜间模式 - 设置侧边栏 */
body.night-mode-active .settings-sidebar {
    background-color: #121212 !important;
}

body.night-mode-active .settings-sidebar .header {
    background-color: #181818 !important;
    border-bottom-color: #222 !important;
}

/* 夜间模式 - 通用卡片和面板 */
body.night-mode-active .modal-overlay .modal-window {
    background-color: #181818 !important;
    color: #e0e0e0;
}

body.night-mode-active .collapsible-content {
    background-color: #181818 !important;
}

/* 夜间模式 - 各功能页面 */
body.night-mode-active .wallpaper-preview {
    border-color: #333;
}

body.night-mode-active pre,
body.night-mode-active code {
    background-color: #1a1a1a !important;
    color: #ddd;
}

.home-screen-swiper {
    display: flex;
    width: 200%; /* Two pages */
    flex: 1;
    overflow: hidden;
    transition: transform 0.4s ease-in-out;
}

.home-screen-page {
    width: 50%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}

.page-indicator {
    position: absolute;
    bottom: 160px; /* Adjust based on dock height */
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
}

.page-indicator .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.25);
    transition: background-color 0.3s;
}

.page-indicator .dot.active {
    background-color: rgba(0, 0, 0, 0.374);
}

/* Home Screen Widgets */
.home-widget-container {
    position: relative;
    width: 230px;
    height: 150px;
    margin: 10px auto 30px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.central-circle {
    width: 95px;
    height: 95px;
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    background-size: cover;
    background-position: center;
    transition: transform 0.3s ease;
}

.central-circle:hover {
    transform: scale(1.05);
}

.satellite-oval {
    position: absolute;
    width: 120px;
    height: 45px;
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    border-radius: 18px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    padding: 0 8px;
    gap: 10px;
    font-size: 11px;
    color: var(--text-color);
    font-weight: 405;
    transition: all 0.3s ease;
    overflow: hidden;
}

.satellite-oval:hover {
    transform: scale(1.08);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.satellite-emoji {
    font-size: 16px;
    width: 25px;
    height: 25px;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    cursor: text;
    border-radius: 50%;
    transition: background-color 0.2s;
}

.satellite-text {
    flex-grow: 1;
    text-align: left;
    line-height: 1.4;
    white-space: normal;
    cursor: text;
    transition: background-color 0.2s;
    border-radius: 5px;
    padding: 2px 4px;
    margin: -2px -4px;
}

[contenteditable]:focus {
    outline: 2px solid var(--accent-color);
    background-color: rgba(144, 202, 249, 0.2);
}

.oval-top-left { top: 20px; left: -62px; }
.oval-top-right { top: 20px; right: -62px; }
.oval-bottom-left { bottom: 20px; left: -62px; }
.oval-bottom-right { bottom: 20px; right: -62px; }

.widget-battery {
    color: #666;
    font-family: var(--font-family);
    text-shadow: 0 5px 3px rgba(0,0,0,0.1);
    font-size: 17px;
    position: absolute;
    display: flex;
    align-items: center;
    bottom: -15px;
    right: -45px;
}

.widget-battery svg {
    margin-right: 5px;
}

.widget-time {
    color: var(--text-color);
    font-family: var(--font-family);
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -20px;
    font-size: 25px;
    font-weight: 600;
}

.widget-date {
    color: #666;
    font-family: var(--font-family);
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
    position: absolute;
    width: 130px;
    text-align: center;
    bottom: -15px;
    left: -45px;
    font-size: 15px;
}

.widget-signature {
    color: var(--text-color);
    font-family: var(--font-family);
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -50px;
    font-size: 14px;
    font-weight: 500;
    width: 90%;
    max-width: 300px;
    background-color: transparent;
    border: none;
    outline: none;
    text-align: center;
    padding: 5px;
    border-radius: 8px;
    transition: background-color 0.3s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.widget-signature:focus {
    background-color: rgba(0, 0, 0, 0.05);
    white-space: normal;
    overflow: visible;
}

.widget-signature:empty::before {
    content: attr(placeholder);
    color: #999;
    pointer-events: none;
}

#home-screen.day-mode .widget-signature:focus {
     background-color: rgba(255, 255, 255, 0.1);
}

#home-screen.day-mode .widget-signature:empty::before {
    color: rgba(255, 255, 255, 0.7);
}

#home-screen.day-mode .satellite-oval,
#home-screen.day-mode .widget-time,
#home-screen.day-mode .widget-date,
#home-screen.day-mode .widget-battery,
#home-screen.day-mode .widget-signature,
#home-screen.day-mode .app-icon .app-name {
    color: var(--white-color);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

/* App Grid */
.app-grid {
    width: 100%;
    padding: 15px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(4, 1fr);
    gap: 15px;
    justify-content: center;
    align-content: flex-start;
    margin-top: 20px;
    height: calc(100% - 280px);
}

.app-grid-widget-container {
    grid-column: span 2;
    grid-row: span 2;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.app-grid-widget {
    width: 85%;
    height: 85%;
    background-color: transparent;
    border-radius: 30px;
    padding: 0;
    box-sizing: border-box;
    border: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0;
    transition: transform 0.2s ease;
}

.app-grid-widget:hover { transform: none; }

.app-grid-placeholder-widget {
    grid-column: 3 / 5;
    grid-row: 3 / 5;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 18px;
    border: 2px dashed rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: rgba(0,0,0,0.4);
}

/* Heart Photo Widget */
.heart-photo-widget {
    grid-column: 3 / 5;
    grid-row: 3 / 5;
    width: 60%;
    height: auto;
    aspect-ratio: 83 / 95;
    justify-self: center;
    align-self: center;
    background-color: #F0F2F0;
    padding: 12px 12px 35px 12px;
    box-shadow: 0 5px 12px rgba(0,0,0,0.15);
    border: 1px solid #DCDCDC;
    border-bottom-color: #B0B0B0;
    border-right-color: #B0B0B0;
    border-radius: 4px;
    transform: rotate(4deg);
    position: relative;
    cursor: pointer;
    transition: transform 0.2s ease-in-out;
}

.heart-photo-widget:hover {
    transform: rotate(2deg) scale(1.05);
}

.heart-photo-widget::after {
    content: '';
    position: absolute;
    top: 12px;
    left: 12px;
    right: 12px;
    bottom: 35px;
    background-image: url('https://i.postimg.cc/XvFDdTKY/Smart-Select-20251013-023208.jpg');
    background-size: cover;
    background-position: center;
    box-shadow: inset 0px 1px 4px rgba(0, 0, 0, 0.25);
    border-bottom: 1px solid #C5C2BE;
}

/* Widget General (for paw button etc) */
.widget-top-bar {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 8px;
    color: rgba(0, 0, 0, 0.4);
}
.widget-status-text { font-size: 14px; font-weight: 600; }
.widget-icons { display: flex; align-items: center; gap: 8px; }
.widget-icons svg { width: 18px; height: 18px; fill: rgba(0, 0, 0, 0.4); }
.widget-main-image-container {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}
.widget-main-image {
    width: 85%;
    padding-bottom: 85%;
    background-size: cover;
    background-position: center;
    border-radius: 18px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}
.widget-speech-bubble {
    position: absolute;
    top: 10px;
    right: 0px;
    background-color: #fff;
    padding: 5px 10px;
    border-radius: 12px;
    font-size: 12px;
    color: #555;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.widget-paw-button {
    background-color: #fff;
    border-radius: 20px;
    padding: 6px 12px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    cursor: pointer;
    display: inline-flex;
    justify-content: center;
    align-items: center;
}
.widget-paw-button img { height: 20px; width: auto; }

/* Dock */
.dock {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px;
    background-color: transparent;
    backdrop-filter: none;
    border-radius: var(--border-radius);
    margin: 0 20px;
    min-height: 80px;
    gap: 15px;
    flex-shrink: 0;
}

.app-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    text-decoration: none;
}

.icon-img {
    width: 54px;
    height: 54px;
    border-radius: 15px;
    margin-bottom: 6px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease;
    object-fit: cover;
}

.app-icon:hover .icon-img {
    transform: translateY(-5px);
}

.app-icon .app-name {
    font-size: 12px;
    color: var(--text-color);
    font-weight: 500;
}

/* 底部导航栏 */
.bottom-nav {
    display: flex;
    justify-content: space-around;
    align-items: center;
    background-color: #fcfcfc;
    border-top: 1px solid #f0f0f0;
    padding: 5px 0;
    flex-shrink: 0;
    height: auto;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 9999;
}

.nav-item {
    background: none;
    border: none;
    padding: 10px 15px;
    cursor: pointer;
    position: relative;
    color: var(--nav-icon-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.nav-item svg {
    stroke-width: 2px;
    width: 26px;
    height: 26px;
    fill: currentColor;
    stroke: none;
}

.nav-item.active {
    color: var(--nav-active-icon-color);
}

.nav-item:nth-child(1) svg { transform: scale(1.1); }
.nav-item:nth-child(2) svg { transform: scale(0.9); }
.nav-item:nth-child(3) svg { transform: scale(0.85); }
.nav-item:nth-child(4) svg { transform: scale(1.2); }
.nav-item:nth-child(4) svg circle { fill: currentColor; }

.nav-icon-img {
    width: 26px;
    height: 26px;
    object-fit: contain;
    display: none;
}

.nav-badge {
    position: absolute;
    top: 5px;
    right: 5px;
    background-color: #ff3b30;
    color: white;
    font-size: 10px;
    font-weight: bold;
    min-width: 16px;
    height: 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}