/* 智能规划 - 差异化主题：青绿/深蓝 */
:root {
    --planning-min-width: 375px;
    --planning-max-width: 430px;
    --planning-primary: #0d9488;
    --planning-primary-dark: #0f766e;
    --planning-bg: #f0fdfa;
    --planning-card: #ffffff;
    --planning-text: #134e4a;
    --planning-text-muted: #5eead4;
    --planning-border: #99f6e4;
    --planning-accent: #2dd4bf;
    --planning-submit-bg: linear-gradient(135deg, #0d9488 0%, #0f766e 100%);
    --planning-tag-active: #0d9488;
    --planning-tag-bg: #ccfbf1;
}

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

html, body {
    margin: 0; padding: 0; min-height: 100%;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: #fff;
    color: var(--planning-text);
    font-size: clamp(14px, 4vw, 16px);
    line-height: 1.5;
}

.app-container {
    width: 100vw;
    max-width: 100vw;
    min-height: 100vh;
    margin: 0;
    background: #fff;
    display: flex;
    flex-direction: column;
    padding-bottom: 0;
}

.main-content { flex: 1; padding: 16px 14px 24px; }

.planning-section { max-width: 100%; }

.planning-container {
    background: var(--planning-card);
    border-radius: 16px;
    padding: 20px 16px;
    box-shadow: 0 4px 20px rgba(13, 148, 136, 0.08);
    border: none;
}

.planning-title {
    font-size: 1.5rem;
    color: var(--planning-primary-dark);
    margin-bottom: 8px;
    font-weight: 600;
}

.planning-intro {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--planning-border);
}

.planning-intro p {
    font-size: 0.9rem;
    color: var(--planning-text);
    margin-bottom: 4px;
}

.planning-hint {
    font-size: 0.8rem;
    color: #64748b;
}

/* 出发地与目的地合并区块（仿参考图） */
.origin-destination-block {
    background: #fff;
    border-radius: 12px;
    border: 1px solid var(--planning-border);
    margin-bottom: 18px;
    overflow: hidden;
}

.od-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    cursor: pointer;
    transition: background 0.2s;
    min-height: 48px;
}

.od-row:hover { background: #f8fafc; }

.od-row-departure { border-bottom: 1px solid var(--planning-border); }

.od-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.od-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.od-icon-pin {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%230d9488'%3E%3Cpath d='M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5c-1.38 0-2.5-1.12-2.5-2.5s1.12-2.5 2.5-2.5 2.5 1.12 2.5 2.5-1.12 2.5-2.5 2.5z'/%3E%3C/svg%3E");
}

.od-icon-search {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2364748b'%3E%3Cpath d='M15.5 14h-.79l-.28-.27A6.471 6.471 0 0016 9.5 6.5 6.5 0 109.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z'/%3E%3C/svg%3E");
}

.od-label {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--planning-primary-dark);
}

.od-right {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    color: #64748b;
}

.od-right-boxed {
    flex: 1;
    max-width: 200px;
    margin-left: 8px;
    padding: 10px 12px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: #fafafa;
    justify-content: flex-end;
}

.od-value {
    flex: 1;
    text-align: right;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.od-value-placeholder { color: #94a3b8; }

.od-arrow {
    color: #94a3b8;
    font-size: 0.85rem;
}

.destination-expand {
    display: none;
    padding: 12px 16px;
    border-top: 1px solid var(--planning-border);
    background: #f8fafc;
}

.destination-expand.open { display: block; }

.destination-expand .destination-mode-row { margin-bottom: 10px; }

.destination-expand .destination-select-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.destination-expand .destination-input-wrap { margin-top: 4px; }

/* 目的地块 */
.destination-block {
    background: linear-gradient(135deg, #f0fdfa 0%, #e6fffa 100%);
    padding: 14px;
    border-radius: 12px;
    border: 1px solid var(--planning-border);
    margin-bottom: 18px;
}

.destination-mode-row {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.destination-select-wrap .destination-level-row {
    margin-bottom: 10px;
}

.destination-level-label {
    display: inline-block;
    width: 52px;
    font-size: 0.9rem;
    color: var(--planning-text);
}

.destination-select {
    padding: 8px 10px;
    border: 1px solid var(--planning-border);
    border-radius: 8px;
    font-size: 0.9rem;
    min-width: 160px;
    max-width: 100%;
    background: #fff;
}

.destination-input-wrap {
    margin-top: 4px;
}

.destination-text-input {
    width: 100%;
    padding: 10px 12px;
}

.destination-display {
    margin-top: 10px;
    font-size: 0.9rem;
    color: var(--planning-primary-dark);
    min-height: 20px;
}

/* 必去块 */
.form-block { margin-bottom: 20px; }

.block-label {
    display: block;
    font-weight: 600;
    color: var(--planning-primary-dark);
    margin-bottom: 4px;
    font-size: 1rem;
}

.block-desc {
    font-size: 0.8rem;
    color: #64748b;
    margin-bottom: 10px;
}

.must-go-block {
    background: linear-gradient(135deg, #f0fdfa 0%, #e6fffa 100%);
    padding: 14px;
    border-radius: 12px;
    border: 1px solid var(--planning-border);
}

.must-go-search-row {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.must-go-input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid var(--planning-border);
    border-radius: 8px;
    font-size: 0.95rem;
    background: #fff;
}

.must-go-input:focus {
    outline: none;
    border-color: var(--planning-primary);
    box-shadow: 0 0 0 2px rgba(13, 148, 136, 0.2);
}

.btn-search-must {
    padding: 10px 16px;
    background: var(--planning-primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
}

.btn-search-must:hover { background: var(--planning-primary-dark); }

.must-go-search-dropdown {
    position: relative;
    max-height: 200px;
    overflow-y: auto;
    background: #fff;
    border: 1px solid var(--planning-border);
    border-radius: 8px;
    margin-bottom: 10px;
    display: none;
}

.must-go-search-dropdown.open { display: block; }

/* 从列表选择：按目的地 + 级别/类型筛选 */
.must-go-select-section {
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--planning-border);
}
.must-go-select-hint {
    font-size: 0.8rem;
    color: #64748b;
    margin-bottom: 10px;
    line-height: 1.4;
}
.must-go-filter-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 12px;
    margin-bottom: 10px;
}
.must-go-filter-label {
    font-size: 0.85rem;
    color: var(--planning-text);
}
.must-go-filter-select {
    padding: 6px 10px;
    border: 1px solid var(--planning-border);
    border-radius: 8px;
    font-size: 0.85rem;
    background: #fff;
    color: var(--planning-text);
    min-width: 80px;
}
.btn-load-must-list {
    padding: 6px 12px;
    background: var(--planning-primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 0.85rem;
    cursor: pointer;
}
.btn-load-must-list:hover { opacity: 0.95; }
.btn-load-must-list:disabled { opacity: 0.6; cursor: not-allowed; }
.must-go-select-list {
    max-height: 220px;
    overflow-y: auto;
    background: #f8fafc;
    border: 1px solid var(--planning-border);
    border-radius: 8px;
    padding: 6px 0;
}
.must-go-loading {
    padding: 12px;
    text-align: center;
    color: #64748b;
    font-size: 0.85rem;
}
.must-go-select-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-bottom: 1px solid #e2e8f0;
    font-size: 0.9rem;
}
.must-go-select-item:last-child { border-bottom: none; }
.must-go-select-item .must-go-select-name { flex: 1; min-width: 0; }
.must-go-select-item .must-go-select-meta {
    font-size: 0.75rem;
    color: #94a3b8;
    flex-shrink: 0;
}
.must-go-select-item .add-btn {
    padding: 4px 10px;
    background: var(--planning-accent);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
}
.must-go-select-item .must-go-added {
    font-size: 0.8rem;
    color: #0d9488;
}
.must-go-select-item.must-go-no-result {
    justify-content: center;
    color: #94a3b8;
    cursor: default;
}

.must-go-search-item {
    padding: 10px 12px;
    border-bottom: 1px solid #f1f5f9;
    cursor: pointer;
    font-size: 0.9rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.must-go-search-item:last-child { border-bottom: none; }

.must-go-search-item:hover { background: var(--planning-bg); }

.must-go-search-item .add-btn {
    padding: 4px 10px;
    background: var(--planning-accent);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
}

.must-go-list-wrap { min-height: 44px; }

.must-go-list {
    list-style: none;
}

.must-go-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    background: #fff;
    border-radius: 8px;
    margin-bottom: 6px;
    border: 1px solid var(--planning-border);
    font-size: 0.9rem;
}

.must-go-list li .order {
    width: 22px;
    height: 22px;
    background: var(--planning-primary);
    color: #fff;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    margin-right: 8px;
}

.must-go-list li .name { flex: 1; }

.must-go-list li .remove-must {
    padding: 4px 8px;
    color: #b91c1c;
    background: #fef2f2;
    border: none;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
}

.must-go-empty {
    font-size: 0.85rem;
    color: #94a3b8;
    padding: 12px 0;
    display: none;
}

.must-go-empty.show { display: block; }

/* 表单 */
.planning-form .form-row {
    margin-bottom: 14px;
}

.planning-form .form-label {
    display: block;
    font-size: 0.9rem;
    color: var(--planning-text);
    margin-bottom: 6px;
    font-weight: 500;
}

.date-select-wrapper {
    position: relative;
    display: inline-block;
    width: 100%;
    max-width: 200px;
}

.date-input {
    width: 100%;
    padding: 10px 32px 10px 12px;
    border: 1px solid var(--planning-border);
    border-radius: 8px;
    font-size: 0.95rem;
    background: #fff;
}

.chevron-icon {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.7rem;
    color: var(--planning-primary);
    pointer-events: none;
}

.form-group-inline {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.form-group-inline .tag-group {
    flex-basis: 100%;
    margin-top: 4px;
}

.number-input-group {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--planning-border);
    border-radius: 8px;
    overflow: hidden;
}

.number-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--planning-tag-bg);
    color: var(--planning-primary-dark);
    font-size: 1.2rem;
    cursor: pointer;
    line-height: 1;
}

.number-btn:hover { background: var(--planning-border); }

.number-input {
    width: 44px;
    height: 36px;
    border: none;
    text-align: center;
    font-size: 1rem;
}

.unit { font-size: 0.9rem; color: var(--planning-text); }

.adult-type-select {
    height: 32px;
    min-width: 120px;
    padding: 0 8px;
    border: 1px solid var(--planning-border);
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--planning-text);
    background: #fff;
    cursor: pointer;
    margin-right: 8px;
}

.tag-group { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

.special-section.form-row {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding-top: 12px;
    padding-bottom: 14px;
    margin-top: 4px;
}

.special-section .form-label {
    width: 100%;
    font-size: 0.9rem;
}

.special-add-block { flex: 1; min-width: 0; }

.special-rows { display: flex; flex-direction: column; gap: 10px; margin-bottom: 10px; }

.special-row.child-row {
    display: grid;
    grid-template-columns: auto auto 1fr auto;
    align-items: center;
    gap: 8px;
}

.special-row.elderly-row {
    display: grid;
    grid-template-columns: auto auto 1fr;
    align-items: center;
    gap: 8px;
}

.special-row .number-input.special-count { width: 36px; min-width: 36px; }

.special-row .child-age-select {
    min-width: 0;
    height: 32px;
    padding: 0 8px;
    border: 1px solid var(--planning-border);
    border-radius: 8px;
    font-size: 0.85rem;
    background: #fff;
    color: var(--planning-text);
}

.btn-add-special {
    display: inline-block;
    padding: 8px 14px;
    border: 1px dashed var(--planning-border);
    border-radius: 8px;
    background: #fff;
    font-size: 0.85rem;
    color: var(--planning-primary-dark);
    cursor: pointer;
}

.btn-remove-special {
    padding: 5px 12px;
    border: 1px solid var(--planning-border);
    border-radius: 6px;
    background: #fff;
    font-size: 0.8rem;
    color: var(--planning-text);
    cursor: pointer;
    justify-self: end;
}

.toggle-group { display: flex; align-items: center; gap: 6px; }

.toggle-label { font-size: 0.85rem; color: #64748b; }

.toggle-options {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.toggle-btn {
    padding: 8px 14px;
    border: 1px solid var(--planning-border);
    background: #fff;
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--planning-text);
    cursor: pointer;
}

.toggle-btn:hover { border-color: var(--planning-primary); }

.toggle-btn.active {
    background: var(--planning-primary);
    color: #fff;
    border-color: var(--planning-primary);
}

.vehicle-type-row { display: none; }

.vehicle-type-row.visible { display: block; }

.budget-wrapper {
    position: relative;
    max-width: 240px;
}

.budget-text-input, .form-input {
    width: 100%;
    padding: 10px 36px 10px 12px;
    border: 1px solid var(--planning-border);
    border-radius: 8px;
    font-size: 0.95rem;
}

.budget-arrow-trigger {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    font-size: 0.7rem;
    color: var(--planning-primary);
}

.budget-dropdown {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    margin-top: 4px;
    background: #fff;
    border: 1px solid var(--planning-border);
    border-radius: 8px;
    max-height: 220px;
    overflow-y: auto;
    z-index: 10;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.budget-dropdown.open { display: block; }

.budget-option {
    padding: 10px 12px;
    font-size: 0.9rem;
    cursor: pointer;
    border-bottom: 1px solid #f1f5f9;
}

.budget-option:last-child { border-bottom: none; }

.budget-option:hover { background: var(--planning-bg); }

.tag-group-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-btn {
    padding: 6px 12px;
    border: 1px solid var(--planning-border);
    background: #fff;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--planning-text);
    cursor: pointer;
}

.tag-btn:hover { border-color: var(--planning-primary); }

.tag-btn.active {
    background: var(--planning-tag-bg);
    color: var(--planning-primary-dark);
    border-color: var(--planning-primary);
}

/* 偏好样式：对齐 Intelligent-Recommendation */
.form-row:has(.preference-wrap) {
    align-items: flex-start;
    flex-wrap: nowrap;
}
.form-row:has(.preference-wrap) .form-label {
    padding-top: 2px;
}
.preference-wrap {
    flex: 1;
    min-width: 0;
    margin-left: 1px;
    display: flex;
    flex-direction: column;
    overflow: visible;
}
.tag-group-wrap.preference-tags {
    overflow: visible;
    max-height: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.pref-item {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: nowrap;
    width: 100%;
}
.preference-desc {
    font-size: 0.75rem;
    color: #888;
    white-space: nowrap;
}

.submit-wrapper { margin-top: 24px; text-align: center; }

.submit-btn {
    width: 100%;
    max-width: 280px;
    padding: 14px 24px;
    background: var(--planning-submit-bg);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(13, 148, 136, 0.35);
}

.submit-btn:hover { opacity: 0.95; }

.submit-btn:disabled { opacity: 0.7; cursor: not-allowed; }

/* 底部导航 */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    transform: none;
    width: 100vw;
    max-width: 100vw;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 10px 0 14px;
    background: #fff;
    border-top: 1px solid var(--planning-border);
    z-index: 100;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    color: #64748b;
}

.nav-item.active { color: var(--planning-primary); font-weight: 600; }

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

/* 城市选择模态框 */
.city-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 200;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.city-modal.open { display: flex; }

.city-modal-content {
    background: #fff;
    border-radius: 16px;
    width: 100%;
    max-width: 380px;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.city-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    border-bottom: 1px solid #e2e8f0;
}

.city-modal-header h3 { font-size: 1.1rem; color: var(--planning-text); }

.city-modal-close {
    font-size: 1.5rem;
    cursor: pointer;
    color: #64748b;
}

.city-search {
    padding: 10px 16px;
    border-bottom: 1px solid #e2e8f0;
}

.city-search input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--planning-border);
    border-radius: 8px;
    font-size: 0.95rem;
}

.city-select-container {
    display: flex;
    flex: 1;
    min-height: 0;
}

.province-section, .city-section {
    flex: 1;
    padding: 12px;
    overflow-y: auto;
}

.section-title {
    font-size: 0.85rem;
    color: #64748b;
    margin-bottom: 8px;
}

.province-item, .city-item {
    padding: 8px 10px;
    border-radius: 8px;
    font-size: 0.9rem;
    cursor: pointer;
    margin-bottom: 4px;
}

.province-item:hover, .city-item:hover { background: var(--planning-bg); }

.province-item.active, .city-item.active {
    background: var(--planning-primary);
    color: #fff;
}

.city-placeholder { font-size: 0.85rem; color: #94a3b8; padding: 12px; }