/* 心旅 - 旅行攻略与民宿筛选推荐平台 */
/* 设计风格：自然疗愈、科学温度、慢旅心境 */

:root {
    /* 色彩系统 */
    --color-primary: #416f59;
    --color-primary-light: #c8d9cb;
    --color-accent: #d3ab78;
    --color-bg: #f7f4e6;
    --color-bg-dark: #284b3b;
    --color-text: #344128;
    --color-text-secondary: #6d754d;
    --color-border: #dfdbc5;
    --color-card-bg: #fffdf6;
    --color-success: #3f745b;
    --color-warning: #a9783f;
    --color-error: #D62828;
    
    /* 字体 */
    --font-serif: 'Noto Serif SC', serif;
    --font-sans: 'Noto Sans SC', sans-serif;
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(45, 106, 79, 0.08);
    --shadow-md: 0 4px 16px rgba(45, 106, 79, 0.12);
    --shadow-lg: 0 8px 32px rgba(45, 106, 79, 0.16);
    
    /* 过渡 */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.75;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* 头部 */
.header {
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-primary) 100%);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.logo-icon {
    font-size: 2.5rem;
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-bg);
    letter-spacing: 0.1em;
}

.tagline {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--color-primary-light);
    font-style: italic;
}

/* 主内容 */
.main {
    padding: var(--spacing-xl) 0;
}

/* 表单区域 */
.form-section {
    background: var(--color-card-bg);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-header h2 {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.section-header p {
    color: var(--color-text-secondary);
}

/* 表单组 */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.label-icon {
    font-size: 1.25rem;
}

/* 定位输入 */
.location-input {
    display: flex;
    gap: var(--spacing-sm);
}

.location-input input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    background: var(--color-bg);
    cursor: text;
}

.location-input input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.btn-icon:disabled {
    cursor: not-allowed;
    opacity: 0.65;
}

.btn-icon {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.btn-icon:hover {
    background: var(--color-bg-dark);
}

.location-hint {
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* 选项网格 */
.option-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-sm);
}

.mood-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}

.fitness-grid {
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
}

.season-grid {
    grid-template-columns: repeat(4, 1fr);
}

.option-card {
    position: relative;
    cursor: pointer;
}

.option-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.option-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--color-bg);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    transition: var(--transition);
    text-align: center;
}

.option-card:hover .option-content {
    border-color: var(--color-primary-light);
    transform: translateY(-2px);
}

.option-card input:checked + .option-content {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-bg) 100%);
}

.option-icon {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xs);
}

.option-text {
    font-weight: 600;
    color: var(--color-text);
}

.option-desc {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

/* 文本域 */
textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 1rem;
    resize: vertical;
    background: var(--color-bg);
    transition: var(--transition);
}

textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* 提交按钮 */
.btn-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-bg-dark) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* 加载状态 */
.loading-section {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.loading-container {
    max-width: 500px;
    margin: 0 auto;
}

.loading-animation {
    margin-bottom: var(--spacing-xl);
}

.compass {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto;
}

.compass-ring {
    position: absolute;
    inset: 0;
    border: 4px solid var(--color-primary-light);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.compass-needle {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 4px;
    height: 50px;
    background: linear-gradient(to bottom, var(--color-primary) 50%, var(--color-accent) 50%);
    transform-origin: bottom center;
    transform: translate(-50%, -100%);
    animation: rotate 3s ease-in-out infinite;
    border-radius: 2px;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.7; }
}

@keyframes rotate {
    0% { transform: translate(-50%, -100%) rotate(0deg); }
    25% { transform: translate(-50%, -100%) rotate(45deg); }
    50% { transform: translate(-50%, -100%) rotate(0deg); }
    75% { transform: translate(-50%, -100%) rotate(-45deg); }
    100% { transform: translate(-50%, -100%) rotate(0deg); }
}

.loading-text {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-top: var(--spacing-md);
    animation: fadeInOut 3s ease-in-out infinite;
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.loading-steps {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.loading-step {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    opacity: 0.5;
    transition: var(--transition);
}

.loading-step.active {
    opacity: 1;
    background: var(--color-primary-light);
}

.loading-step.completed {
    opacity: 1;
    background: var(--color-success);
    color: white;
}

/* 结果区域 */
.results-section {
    margin-top: var(--spacing-lg);
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.results-header h2 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-primary);
}

.btn-restart {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-bg);
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.btn-restart:hover {
    background: var(--color-primary);
    color: white;
}

.results-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.analysis-grid {
    display: grid;
    gap: var(--spacing-md);
}

.insight-card {
    padding: clamp(1.5rem, 4vw, 2.25rem);
    border: 1px solid var(--color-border);
    border-radius: 28px;
    background: rgba(255, 253, 246, 0.96);
    box-shadow: 0 2px 6px rgba(52, 65, 40, 0.12);
}

.insight-heading {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.9rem;
}

.insight-heading h3 {
    color: var(--color-text);
    font-family: var(--font-serif);
    font-size: 1.35rem;
}

.insight-icon {
    color: var(--color-accent);
    font-size: 1.55rem;
    line-height: 1;
}

.insight-card-fitness .insight-icon,
.insight-card-preference .insight-icon {
    color: var(--color-text-secondary);
}

.insight-card p {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    line-height: 1.9;
}

/* 推荐卡片 */
.recommendation-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 2px 7px rgba(52, 65, 40, 0.1);
}

.recommendation-notice {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin: 18px 0 26px;
    padding: 16px 20px;
    color: #486a58;
    background: #f8f7e9;
    border: 1px solid rgba(93, 124, 99, 0.2);
    border-radius: 18px;
    line-height: 1.7;
}

.recommendation-notice span {
    flex: 0 0 auto;
    font-size: 1.2rem;
}

.recommendation-notice p {
    margin: 0;
}

.recommendation-card:hover {
    box-shadow: 0 4px 14px rgba(52, 65, 40, 0.13);
}

.card-header {
    padding: clamp(1.5rem, 4vw, 2.25rem);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-card-bg);
    color: var(--color-text);
}

.destination-heading {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.destination-icon {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: #edf1e5;
    color: var(--color-primary);
    font-size: 1.55rem;
    font-weight: 700;
}

.destination-title-group {
    flex: 1;
    min-width: 0;
}

.card-title-row {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: var(--spacing-sm);
}

.match-score {
    flex: 0 0 auto;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    border: 1px solid #d8ddc8;
    background: #f6f6ea;
    color: var(--color-text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
}

.card-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin: 0;
}

.region-chip {
    display: inline-flex;
    align-items: center;
    max-width: 100%;
    padding: 0.35rem 0.7rem;
    overflow: hidden;
    border: 1px solid #d7dfca;
    border-radius: 999px;
    color: var(--color-text-secondary);
    font-size: 0.82rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.destination-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: 0.65rem;
}

.destination-summary {
    margin-top: var(--spacing-md);
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.85;
}

.best-time {
    margin-top: 0.6rem;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.card-body {
    padding: clamp(1.25rem, 4vw, 2rem);
}

.transport-panel {
    margin-bottom: var(--spacing-lg);
    padding: clamp(1.25rem, 3vw, 1.75rem);
    border: 1px solid var(--color-border);
    border-radius: 22px;
    background: #fffdf7;
}

.transport-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.transport-panel-header .section-title {
    margin: 0;
    color: var(--color-text);
    font-family: var(--font-serif);
    font-size: 1.1rem;
}

.roundtrip-chip {
    flex: 0 0 auto;
    padding: 0.35rem 0.7rem;
    border: 1px solid #d8dfcd;
    border-radius: 999px;
    color: var(--color-primary);
    font-size: 0.82rem;
}

.transport-options {
    display: grid;
    align-items: start;
    justify-items: start;
    gap: 0.65rem;
}

.transport-option {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    max-width: 100%;
    padding: 0.55rem 0.85rem;
    border: 1px solid #e4dfc5;
    border-radius: 999px;
    background: #fffbed;
    color: var(--color-text-secondary);
    font-size: 0.88rem;
}

.transport-option strong {
    color: var(--color-text);
}

.best-option {
    margin-top: var(--spacing-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.best-option strong {
    color: var(--color-text);
}

.transport-note {
    display: flex;
    align-items: flex-start;
    gap: 0.55rem;
    margin-top: var(--spacing-sm);
    padding: 0.75rem 0.85rem;
    border-radius: var(--radius-md);
    background: #fbf9e9;
    color: var(--color-primary);
    font-size: 0.9rem;
    line-height: 1.7;
}

.card-section {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.card-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.section-content {
    color: var(--color-text);
    line-height: 1.75;
}

.preference-section {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    background: rgba(47, 111, 94, 0.06);
}

.preference-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.preference-tags span {
    padding: 0.25rem 0.55rem;
    border-radius: 999px;
    background: rgba(47, 111, 94, 0.12);
    color: var(--color-primary);
    font-size: 0.8rem;
}

.cafe-list {
    display: grid;
    gap: var(--spacing-sm);
}

.cafe-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
}

.cafe-item p {
    margin: 0.25rem 0 0;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
}

.cafe-item a {
    flex: 0 0 auto;
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
}

.itinerary-list {
    display: grid;
    gap: var(--spacing-xs);
    margin: 0;
    padding-left: 1.4rem;
    color: var(--color-text);
    line-height: 1.7;
}

/* 地图容器 */
.map-container {
    position: relative;
    height: 260px;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-top: var(--spacing-sm);
    background: var(--color-bg);
    isolation: isolate;
}

.static-map-image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.map-placeholder {
    text-align: center;
    color: var(--color-text-secondary);
}

.map-actions {
    position: absolute;
    right: var(--spacing-sm);
    bottom: var(--spacing-sm);
    z-index: 5;
    display: flex;
    gap: var(--spacing-xs);
}

.map-action {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.96);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    box-shadow: var(--shadow-sm);
}

.static-map-fallback {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-lg);
    background: var(--color-bg);
    color: var(--color-text-secondary);
    text-align: center;
}

.static-map-fallback[hidden] {
    display: none;
}

.static-map-pin {
    font-size: 2rem;
}

@media (max-width: 600px) {
    .map-container {
        height: 230px;
    }

    .map-actions {
        right: var(--spacing-xs);
        bottom: var(--spacing-xs);
    }

    .map-action {
        padding: 0.45rem 0.6rem;
        font-size: 0.8rem;
    }
}

/* 交通信息 */
.transport-info {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xs);
}

.transport-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

.feasibility-badge {
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}

.feasibility-badge.high {
    background: var(--color-success);
    color: white;
}

.feasibility-badge.medium {
    border: 1px solid #d9c8a7;
    background: #f7edda;
    color: #875e2f;
}

.feasibility-badge.low {
    border: 1px solid #dfc8bd;
    background: #f7e8df;
    color: #95583e;
}

/* 天气信息 */
.weather-info {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xs);
}

.weather-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.weather-icon {
    font-size: 1.5rem;
}

/* 页脚 */
.footer {
    background: var(--color-bg-dark);
    color: var(--color-primary-light);
    text-align: center;
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-xl);
}

/* 响应式 */
@media (max-width: 768px) {
    .option-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .season-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-section {
        padding: var(--spacing-md);
    }
    
    .results-header {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }

    .destination-heading,
    .transport-panel-header,
    .cafe-item {
        align-items: flex-start;
    }

    .card-title-row {
        align-items: flex-start;
        flex-direction: column;
    }

    .transport-panel-header {
        flex-direction: column;
    }

    .transport-option {
        align-items: flex-start;
        border-radius: var(--radius-md);
    }

    .cafe-item {
        flex-direction: column;
    }
}