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

body {
    font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
    background: #F5F0E6;
    color: #4A3C2A;
    min-height: 100vh;
    overflow-x: hidden;
}

#app {
    min-height: 100vh;
}

.screen {
    min-height: 100vh;
}

.hidden {
    display: none !important;
}

#loginScreen {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #F5F0E6 0%, #E8DFD0 100%);
}

.login-container {
    text-align: center;
    padding: 60px 40px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    border: 2px solid #D4C4A8;
    box-shadow: 0 10px 40px rgba(74, 60, 42, 0.1);
}

.login-container h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #4A3C2A;
}

.subtitle {
    font-size: 16px;
    color: #8B7355;
    margin-bottom: 40px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.login-form input {
    padding: 12px 20px;
    border: 2px solid #D4C4A8;
    border-radius: 10px;
    font-size: 16px;
    background: #FFF;
    outline: none;
    transition: border-color 0.3s;
}

.login-form input:focus {
    border-color: #8B7355;
}

.login-form button {
    padding: 12px 40px;
    background: linear-gradient(135deg, #8B7355 0%, #6B5344 100%);
    color: #FFF;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.login-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(107, 83, 68, 0.3);
}

.navbar {
    background: rgba(255, 255, 255, 0.95);
    padding: 15px 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 2px solid #D4C4A8;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 28px;
    font-weight: 700;
    color: #4A3C2A;
}

.nav-links {
    display: flex;
    gap: 10px;
}

.nav-btn {
    padding: 8px 20px;
    background: transparent;
    border: 2px solid #D4C4A8;
    border-radius: 20px;
    color: #8B7355;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.nav-btn:hover,
.nav-btn.active {
    background: #8B7355;
    border-color: #8B7355;
    color: #FFF;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

#logoutBtn {
    padding: 8px 16px;
    background: transparent;
    border: 2px solid #D4C4A8;
    border-radius: 15px;
    color: #8B7355;
    cursor: pointer;
    font-size: 13px;
}

#homeView {
    min-height: calc(100vh - 70px);
    position: relative;
}

.starry-sky {
    position: relative;
    height: 35vh;
    background: linear-gradient(180deg, #2A3F5F 0%, #4A5F7F 50%, #8BA5C5 100%);
}

.stars {
    position: absolute;
    width: 100%;
    height: 100%;
}

.stars::before,
.stars::after {
    content: '';
    position: absolute;
    width: 3px;
    height: 3px;
    background: #FFF;
    border-radius: 50%;
    box-shadow: 
        50px 30px #FFF,
        100px 80px #FFF,
        150px 20px #FFF,
        200px 100px #FFF,
        250px 50px #FFF,
        300px 120px #FFF,
        350px 30px #FFF,
        400px 90px #FFF,
        450px 60px #FFF,
        500px 110px #FFF,
        550px 40px #FFF,
        600px 80px #FFF,
        650px 20px #FFF,
        700px 100px #FFF,
        750px 50px #FFF,
        800px 120px #FFF;
    animation: twinkle 2s infinite;
}

.stars::after {
    animation-delay: 1s;
    box-shadow: 
        80px 70px #FFF,
        130px 40px #FFF,
        180px 90px #FFF,
        230px 30px #FFF,
        280px 110px #FFF,
        330px 60px #FFF,
        380px 20px #FFF,
        430px 80px #FFF,
        480px 50px #FFF,
        530px 100px #FFF,
        580px 30px #FFF,
        630px 90px #FFF,
        680px 40px #FFF,
        730px 120px #FFF,
        780px 70px #FFF;
}

@keyframes twinkle {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.grassland {
    position: relative;
    height: 65vh;
    background: linear-gradient(180deg, #8CBF8C 0%, #6DAF6D 50%, #5A9F5A 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.campfire {
    position: relative;
    z-index: 10;
}

.flames {
    position: relative;
    width: 100px;
    height: 120px;
}

.flame {
    position: absolute;
    bottom: 0;
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    animation: flicker 0.5s infinite alternate;
}

.flame-1 {
    width: 60px;
    height: 80px;
    left: 20px;
    background: linear-gradient(180deg, #FFD700 0%, #FF8C00 50%, #FF4500 100%);
}

.flame-2 {
    width: 40px;
    height: 60px;
    left: 30px;
    background: linear-gradient(180deg, #FFEC8B 0%, #FFA500 50%, #FF6347 100%);
    animation-delay: 0.2s;
}

.flame-3 {
    width: 25px;
    height: 40px;
    left: 38px;
    background: linear-gradient(180deg, #FFFFE0 0%, #FFD700 50%, #FF8C00 100%);
    animation-delay: 0.4s;
}

@keyframes flicker {
    0% { transform: scaleY(1) scaleX(1); }
    100% { transform: scaleY(1.1) scaleX(0.9); }
}

.words-bonfire {
    position: absolute;
    top: -180px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    width: 400px;
}

.word-item {
    background: rgba(255, 255, 255, 0.9);
    padding: 8px 16px;
    border-radius: 15px;
    border: 2px solid #D4C4A8;
    font-size: 14px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    animation: float 3s ease-in-out infinite;
}

.word-item:nth-child(1) { animation-delay: 0s; }
.word-item:nth-child(2) { animation-delay: 0.3s; }
.word-item:nth-child(3) { animation-delay: 0.6s; }
.word-item:nth-child(4) { animation-delay: 0.9s; }
.word-item:nth-child(5) { animation-delay: 1.2s; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.words-ground {
    position: absolute;
    bottom: 50px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    width: 600px;
}

.words-ground .word-item {
    background: rgba(255, 255, 255, 0.8);
    animation: none;
    font-size: 13px;
}

.game-container,
.search-container,
.recommend-container {
    max-width: 600px;
    margin: 40px auto;
    padding: 30px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    border: 2px solid #D4C4A8;
}

.game-container h2,
.search-container h2,
.recommend-container h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #4A3C2A;
}

.timer {
    text-align: center;
    font-size: 48px;
    font-weight: 700;
    color: #8B7355;
    margin-bottom: 20px;
}

.score {
    text-align: center;
    font-size: 24px;
    margin-bottom: 30px;
    color: #6B5344;
}

.word-display {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    color: #4A3C2A;
    margin-bottom: 30px;
    padding: 30px;
    background: #F5F0E6;
    border-radius: 15px;
    border: 2px dashed #D4C4A8;
}

.answer-input {
    width: 100%;
    padding: 15px;
    font-size: 18px;
    border: 2px solid #D4C4A8;
    border-radius: 10px;
    margin-bottom: 15px;
    outline: none;
}

.answer-input:focus {
    border-color: #8B7355;
}

.submit-btn,
.match-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #8B7355 0%, #6B5344 100%);
    color: #FFF;
    border: none;
    border-radius: 10px;
    font-size: 18px;
    cursor: pointer;
    transition: transform 0.2s;
}

.submit-btn:hover,
.match-btn:hover {
    transform: translateY(-2px);
}

.search-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
}

.search-bar input {
    flex: 1;
    padding: 12px 15px;
    border: 2px solid #D4C4A8;
    border-radius: 10px;
    font-size: 16px;
    outline: none;
}

.search-bar button {
    padding: 12px 25px;
    background: #8B7355;
    color: #FFF;
    border: none;
    border-radius: 10px;
    cursor: pointer;
}

.search-results {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.search-result-item {
    padding: 15px;
    background: #F5F0E6;
    border-radius: 10px;
    border: 2px solid #D4C4A8;
}

.recommend-form {
    margin-top: 30px;
    padding: 20px;
    background: #F5F0E6;
    border-radius: 15px;
    border: 2px dashed #D4C4A8;
}

.recommend-form h3 {
    margin-bottom: 15px;
    color: #6B5344;
}

.recommend-form input,
.language-select {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 2px solid #D4C4A8;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
}

.recommend-form button {
    width: 100%;
    padding: 12px;
    background: #8B7355;
    color: #FFF;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

.sort-buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.sort-btn {
    padding: 8px 20px;
    background: transparent;
    border: 2px solid #D4C4A8;
    border-radius: 15px;
    color: #8B7355;
    cursor: pointer;
}

.sort-btn.active {
    background: #8B7355;
    color: #FFF;
    border-color: #8B7355;
}

.recommend-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.recommend-item {
    padding: 20px;
    background: #F5F0E6;
    border-radius: 15px;
    border: 2px solid #D4C4A8;
}

.recommend-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.recommend-words {
    font-size: 18px;
    font-weight: 600;
    color: #4A3C2A;
}

.star-btn {
    background: transparent;
    border: none;
    font-size: 20px;
    cursor: pointer;
}

.star-btn.starred {
    color: #FFD700;
}

.match-status {
    text-align: center;
    margin-bottom: 20px;
    padding: 20px;
    background: #F5F0E6;
    border-radius: 10px;
}

/* 管理员界面样式 */
.admin-container {
    max-width: 800px;
    margin: 40px auto;
    padding: 30px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    border: 2px solid #D4C4A8;
}

.admin-container h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #4A3C2A;
}

.admin-add {
    margin-bottom: 30px;
    padding: 20px;
    background: #F5F0E6;
    border-radius: 15px;
    border: 2px dashed #D4C4A8;
}

.admin-add h3 {
    margin-bottom: 15px;
    color: #6B5344;
}

.admin-form {
    display: flex;
    gap: 10px;
    align-items: center;
}

.admin-form input {
    flex: 1;
    padding: 10px;
    border: 2px solid #D4C4A8;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
}

.admin-form button {
    padding: 10px 25px;
    background: #8B7355;
    color: #FFF;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

.admin-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid #D4C4A8;
    padding-bottom: 10px;
}

.admin-tab {
    padding: 10px 20px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: #8B7355;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.admin-tab:hover {
    background: #F5F0E6;
}

.admin-tab.active {
    background: #8B7355;
    color: #FFF;
}

.admin-tab-content {
    display: block;
}

.admin-word-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.admin-word-item {
    padding: 20px;
    background: #F5F0E6;
    border-radius: 15px;
    border: 2px solid #D4C4A8;
}

.admin-word-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.admin-word-text {
    font-size: 18px;
    font-weight: 600;
    color: #4A3C2A;
}

.admin-word-meta {
    font-size: 12px;
    color: #8B7355;
}

.admin-word-actions {
    display: flex;
    gap: 10px;
}

.admin-word-actions button {
    padding: 6px 12px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
}

.admin-edit-btn {
    background: #6DAF6D;
    color: #FFF;
}

.admin-delete-btn {
    background: #D9534F;
    color: #FFF;
}

.admin-save-btn {
    background: #8B7355;
    color: #FFF;
}

.admin-cancel-btn {
    background: #999;
    color: #FFF;
}

.admin-edit-form {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px dashed #D4C4A8;
}

.admin-edit-form input {
    flex: 1;
    padding: 8px;
    border: 2px solid #D4C4A8;
    border-radius: 6px;
    font-size: 14px;
    outline: none;
}

.admin-user-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.admin-user-item {
    padding: 20px;
    background: #F5F0E6;
    border-radius: 15px;
    border: 2px solid #D4C4A8;
}

.admin-user-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.admin-user-info {
    font-size: 16px;
    color: #4A3C2A;
}

.admin-user-tag {
    display: inline-block;
    padding: 2px 8px;
    background: #8B7355;
    color: white;
    border-radius: 4px;
    font-size: 12px;
    margin-left: 10px;
}

.admin-user-meta {
    font-size: 12px;
    color: #8B7355;
}

.admin-user-edit-form {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px dashed #D4C4A8;
}

.admin-user-edit-form input {
    padding: 8px;
    border: 2px solid #D4C4A8;
    border-radius: 6px;
    font-size: 14px;
    outline: none;
}

.admin-user-edit-form label {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* 时间配置表单 */
.time-config-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.time-config-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.time-config-item label {
    font-weight: bold;
    color: #4A3C2A;
}

.time-config-item > div {
    display: flex;
    align-items: center;
    gap: 10px;
}

.time-config-item input {
    padding: 8px;
    border: 2px solid #D4C4A8;
    border-radius: 6px;
    font-size: 14px;
    width: 80px;
}

.time-config-item input[type="text"] {
    width: 200px;
}

#saveTimeConfig {
    padding: 12px 30px;
    background: linear-gradient(135deg, #8B7355 0%, #6B5344 100%);
    color: #FFF;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    cursor: pointer;
    transition: transform 0.2s;
    align-self: flex-start;
}

#saveTimeConfig:hover {
    transform: translateY(-2px);
}

/* 推荐状态标签 */
.rec-status-pending {
    background: #FFC107;
    color: #333;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    margin-left: 10px;
}

.rec-status-approved {
    background: #4CAF50;
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    margin-left: 10px;
}

.rec-status-rejected {
    background: #F44336;
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    margin-left: 10px;
}

.rec-reviewed-by {
    font-size: 12px;
    color: #8B7355;
    margin-top: 5px;
}