/* ============================================
   设计 Token
   ============================================ */
:root {
    --primary: #2F9B5E;
    --primary-light: #E6F4EA;
    --accent: #E68A2E;
    --accent-light: #FEF2E5;
    --blue: #6C8EBF;
    --blue-light: #EDF2F8;

    --bg: linear-gradient(160deg, #ECDECC 0%, #D5DDE8 45%, #DBD0E0 100%);
    --bg-overlay: radial-gradient(ellipse at 15% 40%, rgba(235,215,190,0.55) 0%, transparent 55%),
                   radial-gradient(ellipse at 85% 60%, rgba(210,190,225,0.55) 0%, transparent 55%);
    --border: #E9EDF2;
    --text: #1A2C3E;
    --text-secondary: #5C6F87;
    --text-muted: #7A8FA0;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 26px;

    --shadow-card: 0 1px 3px rgba(0,0,0,0.04);
    --shadow-hover: 0 4px 12px rgba(0,0,0,0.04);
    --shadow-modal: 0 20px 60px rgba(0,0,0,0.15);

    --font-lg: 18px;
    --font-base: 14px;
    --font-sm: 13px;
    --font-xs: 12px;

    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 24px;
}

/* ============================================
   重置
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
* { -webkit-tap-highlight-color: transparent; }

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.55;
    color: var(--text);
    background: var(--bg), var(--bg-overlay);
    background-attachment: fixed;
    min-height: 100vh;
    overflow: hidden;
    height: 100vh;
}

button { font: inherit; cursor: pointer; }
input, textarea { font: inherit; }

/* ============================================
   毛玻璃顶栏
   ============================================ */
.topbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: rgba(255,255,255,0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.5);
    box-shadow: 0 1px 4px rgba(0,0,0,0.02), inset 0 1px 0 rgba(255,255,255,0.8);
}
.topbar__title {
    font-size: var(--font-lg);
    font-weight: 700;
    color: var(--text);
    user-select: none;
}
.topbar__actions { display: flex; gap: var(--space-sm); }
.topbar__btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    font-size: var(--font-base);
    transition: background 0.2s;
}
.topbar__btn:hover { background: var(--primary-light); color: var(--primary); }
.topbar__btn--add {
    background: rgba(47,155,94,0.85);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 2px 6px rgba(47,155,94,0.15), inset 0 1px 0 rgba(255,255,255,0.3);
}
.topbar__btn--add:hover { background: rgba(47,155,94,0.95); }

/* ============================================
   主布局
   ============================================ */
.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 8px;
    display: flex;
    flex-direction: column;
    height: 100vh;
    padding-top: 56px;
}
.views-panel {
    display: flex;
    gap: 12px;
    flex: 1;
    min-height: 0;
    padding: 8px 0;
}

/* 视图卡片壳 */
.view-card {
    background: rgba(255,255,255,0.30);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.45);
    box-shadow: 0 4px 24px rgba(0,0,0,0.04), inset 0 1px 0 rgba(255,255,255,0.6);
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.view-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 16px 10px;
    flex-shrink: 0;
}
.view-card__title {
    font-size: var(--font-lg);
    font-weight: 600;
    user-select: none;
}
.view-card__badge {
    background: var(--primary-light);
    color: var(--primary);
    padding: 2px 12px;
    border-radius: 20px;
    font-size: var(--font-xs);
    font-weight: 600;
    user-select: none;
    cursor: pointer;
    transition: background 0.25s, color 0.25s;
}
/* 切换为添加模式按钮（橙色醒目） */
.view-card__badge--switch-add {
    background: var(--accent-light);
    color: var(--accent);
}
.view-card__body {
    flex: 1;
    overflow-y: auto;
    padding: 0 16px 16px;
    scrollbar-width: thin;
    scrollbar-color: var(--primary) transparent;
}
.view-card__body::-webkit-scrollbar { width: 4px; }
.view-card__body::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 2px; }

/* ============================================
   备菜卡片 (列表视图)
   ============================================ */
.meal-list { display: flex; flex-direction: column; gap: var(--space-md); }

.meal-card {
    position: relative;
    background: rgba(255,255,255,0.45);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.4);
    box-shadow: 0 2px 8px rgba(0,0,0,0.03), inset 0 1px 0 rgba(255,255,255,0.7);
    padding: 16px;
    transition: transform 0.15s, box-shadow 0.15s;
    cursor: default;
}
.meal-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.06), inset 0 1px 0 rgba(255,255,255,0.7);
    transform: translateY(-2px);
}
.meal-card--selected {
    border-left: 3px solid var(--accent);
    background: rgba(254,242,229,0.55);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.meal-card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}
.meal-card__date {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
    user-select: none;
}
.meal-card__edit {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.50);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    color: var(--primary);
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(0,0,0,0.03), inset 0 1px 0 rgba(255,255,255,0.6);
    transition: background 0.2s, color 0.2s;
}
.meal-card__edit:hover { background: var(--primary); color: #fff; }

.meal-row {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 6px 10px;
    margin: 2px 0;
    border-radius: 8px;
    background: rgba(245,247,250,0.45);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    font-size: var(--font-base);
    color: var(--text);
}
.meal-row--breakfast { border-left: 3px solid var(--accent); }
.meal-row--lunch     { border-left: 3px solid var(--primary); }
.meal-row--dinner    { border-left: 3px solid var(--blue); }
.meal-row__label { font-weight: 600; white-space: nowrap; user-select: none; }
.meal-row__text  { flex: 1; min-width: 0; word-break: break-all; }

.meal-card__ingredients {
    margin-top: 8px;
    padding: 8px 12px;
    background: rgba(245,247,250,0.45);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border-radius: 8px;
    font-size: var(--font-base);
    color: var(--text);
    word-break: break-all;
}
.meal-card__ingredients-label { font-weight: 600; margin-right: 4px; }

/* ============================================
   日历视图
   ============================================ */
.cal-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 8px;
    flex-shrink: 0;
}
.cal-nav__btn {
    padding: 4px 12px;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
    font-size: var(--font-sm);
    white-space: nowrap;
    transition: background 0.2s;
}
.cal-nav__btn:hover { background: var(--accent); color: #fff; }
.cal-nav__label {
    font-weight: 700;
    font-size: 15px;
    user-select: none;
}
.cal-hint {
    text-align: center;
    font-size: var(--font-xs);
    color: var(--text-muted);
    margin-bottom: 4px;
    cursor: pointer;
    user-select: none;
}

.cal-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 6px;
}
.cal-weekday {
    text-align: center;
    font-size: var(--font-xs);
    font-weight: 600;
    color: var(--text-muted);
    padding: 4px 0;
}
.cal-day {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: var(--font-sm);
    font-weight: 500;
    cursor: pointer;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.3);
    padding: 6px 2px;
    min-height: 40px;
    transition: background 0.15s;
    background: rgba(255,255,255,0.40);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.02);
    position: relative;
}
.cal-day:hover { background: rgba(47,155,94,0.10); }
.cal-day--other { opacity: 0.35; background: transparent; }
.cal-day--has { background: var(--primary-light); border-color: var(--accent); font-weight: 700; color: var(--primary); }
.cal-day--today { box-shadow: 0 0 0 2px var(--primary); }
.cal-day__dot { font-size: 8px; color: var(--primary); line-height: 1; margin-top: 1px; }

/* ============================================
   空状态
   ============================================ */
.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 32px 16px;
    font-size: var(--font-base);
}

/* ============================================
   底部切换 (手机/平板)
   ============================================ */
.view-toggle {
    display: none;
    justify-content: center;
    gap: 0;
    padding: 4px 16px 8px;
    flex-shrink: 0;
}
.view-toggle__btn {
    flex: 1;
    max-width: 120px;
    padding: 8px;
    border: none;
    border-bottom: 2px solid transparent;
    background: transparent;
    font-size: var(--font-base);
    font-weight: 500;
    color: var(--text-secondary);
    transition: border-color 0.2s, color 0.2s;
    user-select: none;
}
.view-toggle__btn.active {
    border-bottom-color: var(--primary);
    color: var(--primary);
    font-weight: 600;
}

/* ============================================
   模态框
   ============================================ */
.modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(0,0,0,0.15);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    visibility: hidden;
    opacity: 0;
    transition: visibility 0.25s, opacity 0.25s;
}
.modal.active { visibility: visible; opacity: 1; }

.modal__panel {
    background: rgba(255,255,255,0.30);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    width: 92%;
    max-width: 520px;
    border-radius: 24px;
    padding: 24px;
    border: 1px solid rgba(255,255,255,0.45);
    box-shadow: 0 8px 32px rgba(0,0,0,0.06), inset 0 1px 0 rgba(255,255,255,0.6);
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.92);
    opacity: 0;
    transition: transform 0.25s ease, opacity 0.25s ease;
}
.modal.active .modal__panel {
    transform: scale(1);
    opacity: 1;
}

.modal__title {
    font-size: var(--font-lg);
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
}

/* 表单 Tab */
.form-tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid rgba(255,255,255,0.3);
    margin-bottom: 16px;
}
.form-tab {
    flex: 1;
    padding: 10px 4px;
    border: none;
    border-bottom: 2px solid transparent;
    background: rgba(255,255,255,0.20);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--text-secondary);
    transition: border-color 0.2s, color 0.2s;
}
.form-tab.active { border-bottom-color: var(--primary); color: var(--primary); font-weight: 600; }

/* 表单字段 */
.form-group { margin-bottom: 14px; }
.form-label {
    display: block;
    font-weight: 600;
    font-size: var(--font-base);
    color: var(--text-secondary);
    margin-bottom: 4px;
}
.form-input, .form-textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 10px;
    background: rgba(255,255,255,0.25);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    font-size: var(--font-base);
    color: var(--text);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}
.form-input:focus, .form-textarea:focus {
    border-color: var(--primary);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02), 0 0 0 3px rgba(47,155,94,0.15);
}
.form-input:disabled { background: rgba(240,242,245,0.80); color: var(--text-muted); }
.form-textarea { resize: vertical; min-height: 60px; }

.form-hint {
    background: rgba(255,255,255,0.20);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.3);
    padding: 10px 12px;
    margin-bottom: 14px;
    font-size: var(--font-xs);
    color: var(--text-secondary);
    line-height: 1.6;
}
.form-hint code {
    display: block;
    background: rgba(255,255,255,0.70);
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid rgba(255,255,255,0.3);
    font-size: 12px;
    margin: 4px 0;
}

/* ============================================
   按钮
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: var(--font-base);
    font-weight: 600;
    transition: background 0.2s, box-shadow 0.2s;
    user-select: none;
}
.btn--primary {
    width: 100%;
    background: rgba(47,155,94,0.85);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    color: #fff;
    box-shadow: 0 2px 6px rgba(47,155,94,0.15), inset 0 1px 0 rgba(255,255,255,0.3);
}
.btn--primary:hover {
    background: rgba(47,155,94,0.95);
    box-shadow: 0 4px 12px rgba(47,155,94,0.20), inset 0 1px 0 rgba(255,255,255,0.3);
}
.btn--cancel {
    width: 100%;
    margin-top: 8px;
    background: #F0F2F5;
    color: var(--text-secondary);
    font-weight: 500;
}
.btn--cancel:hover { background: var(--border); }
.btn--danger { background: #fee; color: #d33; }
.btn--danger:hover { background: #fdd; }

/* ============================================
   多选操作栏
   ============================================ */
.select-bar {
    display: none;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 150;
    background: rgba(255,255,255,0.70);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 12px 16px;
    border-top: 1px solid rgba(0,0,0,0.05);
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}
body.select-mode .select-bar { display: flex; }
.select-bar__count { font-weight: 700; font-size: var(--font-base); user-select: none; }

/* ============================================
   确认弹窗
   ============================================ */
.confirm-dialog {
    position: fixed;
    inset: 0;
    z-index: 250;
    background: rgba(0,0,0,0.15);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    visibility: hidden;
    opacity: 0;
    transition: visibility 0.2s, opacity 0.2s;
}
.confirm-dialog.active { visibility: visible; opacity: 1; }
.confirm-dialog__panel {
    background: rgba(255,255,255,0.30);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    width: 88%;
    max-width: 360px;
    border-radius: 24px;
    padding: 24px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.45);
    box-shadow: 0 8px 32px rgba(0,0,0,0.06), inset 0 1px 0 rgba(255,255,255,0.6);
    transform: scale(0.92);
    opacity: 0;
    transition: transform 0.25s ease, opacity 0.25s ease;
}
.confirm-dialog.active .confirm-dialog__panel {
    transform: scale(1);
    opacity: 1;
}
.confirm-dialog__msg {
    font-size: var(--font-base);
    color: var(--text);
    margin-bottom: 16px;
    line-height: 1.5;
}
.confirm-dialog__btns {
    display: flex;
    gap: 10px;
    justify-content: center;
}
.confirm-dialog__btns .btn { width: auto; flex: 1; max-width: 120px; }

/* ============================================
   Toast
   ============================================ */
.toast {
    position: fixed;
    top: 12%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 10px 24px;
    border-radius: 24px;
    font-size: var(--font-base);
    font-weight: 600;
    z-index: 300;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.35s;
    white-space: nowrap;
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
.toast.show { opacity: 1; }
.toast--ok    { background: rgba(52,199,89,0.92);  color: #fff; }
.toast--error { background: rgba(255,59,48,0.92); color: #fff; }

/* ============================================
   页脚
   ============================================ */
.app-footer {
    text-align: center;
    font-size: var(--font-xs);
    color: var(--text-muted);
    padding: 4px 0 8px;
    flex-shrink: 0;
    user-select: none;
}

/* ============================================
   手机底部导航栏
   ============================================ */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(255,255,255,0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(255,255,255,0.5);
    box-shadow: 0 -1px 4px rgba(0,0,0,0.02), inset 0 1px 0 rgba(255,255,255,0.8);
    justify-content: space-around;
    align-items: center;
    padding: 6px 4px;
    padding-bottom: calc(6px + env(safe-area-inset-bottom, 0px));
}
.mobile-nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 4px 10px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 11px;
    min-width: 56px;
    transition: background 0.2s, color 0.2s;
    user-select: none;
}
.mobile-nav-btn i { font-size: 18px; }
.mobile-nav-btn.active { color: var(--primary); font-weight: 600; }
.mobile-nav-btn:active { background: rgba(47,155,94,0.08); }

/* ============================================
   响应式
   ============================================ */
@media (min-width: 1024px) {
    .view-toggle { display: none; }
    .app-container { padding-top: 56px; }
}
@media (min-width: 768px) and (max-width: 1023px) {
    .view-toggle { display: flex; }
    .view-card.hidden { display: none; }
    .app-container { padding-top: 56px; }
}
@media (max-width: 767px) {
    .view-toggle { display: flex; padding-bottom: 4px; }
    .view-card.hidden { display: none; }
    .app-container { padding-top: 48px; padding-bottom: 60px; padding-left: 4px; padding-right: 4px; }
    .topbar { padding: 8px 12px; }
    .topbar__title { font-size: 16px; }
    .modal__panel { padding: 18px; border-radius: var(--radius-md); }
    .views-panel { padding: 4px 0; gap: 6px; }
    .view-card__header { padding: 12px 12px 8px; }
    .view-card__body { padding: 0 12px 12px; }
    .meal-card { padding: 12px; }
    .mobile-bottom-nav { display: flex; }
    .topbar__actions .topbar__btn--add { display: none; }
    .app-footer { display: none; }
}

/* ============================================
   降级
   ============================================ */
@supports not (backdrop-filter: blur(1px)) {
    body { background: #E8DCCB; }
    .topbar { background: rgba(255,255,255,0.90); }
    .modal { background: rgba(0,0,0,0.45); }
    .modal__panel { background: rgba(255,255,255,0.92); }
    .confirm-dialog__panel { background: rgba(255,255,255,0.92); }
    .view-card { background: rgba(245,247,250,0.90); }
    .meal-card { background: rgba(255,255,255,0.88); }
    .meal-row, .meal-card__ingredients { background: rgba(240,242,245,0.78); }
    .form-tab { background: rgba(240,242,245,0.60); }
    .form-input, .form-textarea { background: rgba(245,247,250,0.80); }
    .form-hint { background: rgba(240,242,245,0.60); }
    .cal-day { background: rgba(255,255,255,0.80); }
    .meal-card__edit { background: rgba(240,242,245,0.85); }
}

.sr-only {
    position: absolute; width: 1px; height: 1px;
    overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap;
}

/* ============================================
   模态框内嵌毛玻璃区块 (统一 nested frosted)
   ============================================ */
.modal__section {
    background: rgba(255,255,255,0.20);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.3);
    padding: 14px;
    margin-bottom: 14px;
}
@supports not (backdrop-filter: blur(1px)) {
    .modal__section { background: rgba(245,245,245,0.85); }
}