:root {
    --bg: #f5f6fa;
    --card: #ffffff;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --success: #16a34a;
    --success-light: #dcfce7;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --text: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
    --radius: 12px;
    --radius-sm: 8px;
}

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

html {
    overscroll-behavior: none;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
                 Arial, "Noto Sans Hebrew", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
    -webkit-tap-highlight-color: transparent;
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
    padding-bottom: 2rem;
    direction: rtl;
}

/* Header */
.app-header {
    background: linear-gradient(135deg, var(--primary), #7c3aed);
    color: white;
    padding: 1.5rem;
    text-align: center;
}
.app-header h1 { font-size: 1.6rem; font-weight: 700; }
.subtitle { opacity: 0.85; font-size: 0.9rem; margin-top: 0.25rem; }
.header-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    position: relative;
}
.header-user {
    position: absolute;
    left: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.header-username {
    font-size: 0.82rem;
    opacity: 0.9;
}
.header-logout-btn {
    background: rgba(255,255,255,0.2);
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
    font-size: 0.75rem;
    padding: 0.3rem 0.6rem;
}
.header-logout-btn:hover { background: rgba(255,255,255,0.3); }

/* Tab bar */
.tab-bar {
    display: flex;
    background: var(--card);
    border-bottom: 2px solid var(--border);
    position: sticky;
    top: 0;
    -webkit-user-select: none;
    user-select: none;
    z-index: 100;
}
.tab-btn {
    flex: 1;
    padding: 0.85rem 0.5rem;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s;
    border-bottom: 3px solid transparent;
}
.tab-btn:hover { color: var(--primary); }
.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 600;
}

/* Tab content */
.tab-content { display: none; padding: 1rem; }
.tab-content.active { display: block; }
.hidden { display: none !important; }

/* Buttons */
.btn {
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    -webkit-user-select: none;
    user-select: none;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: var(--border); color: var(--text); }
.btn-secondary:hover { background: #cbd5e1; }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #b91c1c; }
.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.8rem; }
.btn-full { width: 100%; }
.icon-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.8rem;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.15s;
}
.icon-btn:hover { background: var(--border); }

/* Forms */
.form-group {
    margin-bottom: 0.75rem;
}
.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
}
.form-group input, .form-group select {
    width: 100%;
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    background: white;
    color: var(--text);
    transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.input-hint {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
    display: block;
}
.form-row { margin-bottom: 0.5rem; }
.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}
.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.75rem;
}
.search-row {
    display: flex;
    gap: 0.5rem;
}
.search-row input { flex: 1; }

/* Date picker bar */
.date-picker-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 1rem;
}
.date-picker-bar input[type="date"] {
    padding: 0.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    text-align: center;
}

/* Day summary */
.day-summary-card {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}
.summary-item {
    background: var(--card);
    border-radius: var(--radius-sm);
    padding: 0.75rem 0.5rem;
    text-align: center;
    box-shadow: var(--shadow);
}
.summary-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.2rem;
}
.summary-value {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
}
.summary-sub {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Calorie progress bar */
.calorie-bar-wrapper {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.calorie-bar {
    flex: 1;
    height: 12px;
    background: var(--border);
    border-radius: 6px;
    overflow: hidden;
}
.calorie-bar-fill {
    height: 100%;
    border-radius: 6px;
    transition: width 0.4s ease, background 0.3s;
    background: var(--success);
    width: 0%;
}
.calorie-bar-fill.over { background: var(--danger); }
.calorie-remaining {
    font-size: 0.8rem;
    color: var(--text-secondary);
    white-space: nowrap;
    min-width: 80px;
}

/* Macro pie charts */
.macro-charts-row {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 0.75rem 1rem;
}
.macro-chart-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
}
.macro-chart-box canvas {
    display: block;
}
.macro-chart-title {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
}
.macro-chart-legend {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.4rem;
}
.mcl-item {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
}
.mcl-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Settings sub title */
.settings-sub-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0.75rem 0 0.5rem;
    color: var(--text);
}

/* Meals actions */
.meals-actions {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

/* Meals list */
.meals-list { display: flex; flex-direction: column; gap: 0.75rem; }

.meal-card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}
.meal-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: #f8fafc;
    border-bottom: 1px solid var(--border);
}
.meal-card-header h3 { font-size: 1rem; }
.meal-card-header .meal-cal {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
}
.meal-card-actions { display: flex; gap: 0.3rem; }
.meal-card-body { padding: 0.5rem; }

.meal-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: background 0.15s;
}
.meal-item:hover { background: #f1f5f9; }
.meal-item-name {
    flex: 1;
    font-size: 0.9rem;
}
.meal-item-cal {
    font-size: 0.8rem;
    color: var(--text-secondary);
    min-width: 55px;
    text-align: left;
}
.meal-item-edit {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: 1rem;
    padding: 0.2rem;
    opacity: 0.5;
    transition: opacity 0.15s;
}
.meal-item-edit:hover { opacity: 1; }
.meal-item-del {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0.2rem;
    opacity: 0.6;
    transition: opacity 0.15s;
}
.meal-item-del:hover { opacity: 1; }

.meal-item {
    flex-wrap: wrap;
}
.meal-item-editor {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.25rem 0;
}
.meal-item-editor select {
    flex: 1;
    padding: 0.3rem 0.4rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.82rem;
}
.meal-item-editor input {
    width: 65px;
    padding: 0.3rem 0.4rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    text-align: center;
    font-size: 0.85rem;
}

.meal-time {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-right: 0.4rem;
}

.meal-empty {
    text-align: center;
    padding: 1rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}
.save-fast-meal-btn {
    margin: 0.5rem;
    font-size: 0.8rem;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}
.modal-content {
    background: var(--card);
    border-radius: var(--radius);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}
.modal-lg { max-width: 600px; }
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}
.modal-header h2 { font-size: 1.1rem; }
.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    line-height: 1;
}
.modal-body { padding: 1.25rem; }

/* Search tabs inside modal */
.search-tabs {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1rem;
    background: var(--bg);
    border-radius: var(--radius-sm);
    padding: 0.25rem;
}
.search-tab {
    flex: 1;
    padding: 0.5rem;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: 6px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    transition: all 0.2s;
}
.search-tab.active {
    background: var(--card);
    color: var(--primary);
    font-weight: 600;
    box-shadow: var(--shadow);
}
.search-panel { display: none; }
.search-panel.active { display: block; }

/* Food results */
.food-results {
    max-height: 250px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
}
.food-result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 0.75rem;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
    transition: background 0.1s;
}
.food-result-item:last-child { border-bottom: none; }
.food-result-item:hover { background: #eff6ff; }
.food-result-item .fr-name { font-size: 0.9rem; }
.food-result-item .fr-cal {
    font-size: 0.8rem;
    color: var(--text-secondary);
}
.food-result-item .fr-import {
    font-size: 0.75rem;
    color: var(--primary);
    cursor: pointer;
}
.hint {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}
.hint a { color: var(--primary); }

/* CHP search results */
.chp-result-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
    transition: background 0.1s;
}
.chp-result-item:last-child { border-bottom: none; }
.chp-result-item:hover { background: #eff6ff; }
.chp-result-img {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    object-fit: contain;
    flex-shrink: 0;
    background: #f8fafc;
}
.chp-result-info { flex: 1; min-width: 0; }
.chp-result-name { font-size: 0.9rem; display: block; }
.chp-result-mfr { font-size: 0.72rem; color: var(--text-secondary); display: block; }

/* CHP product detail */
.chp-product-detail {
    margin-top: 0.75rem;
    padding: 1rem;
    background: #fefce8;
    border-radius: var(--radius-sm);
    border: 1px solid #fde68a;
}
.chp-detail-header {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}
.chp-product-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    background: white;
    border: 1px solid var(--border);
    flex-shrink: 0;
}
.chp-detail-info h4 {
    font-size: 1rem;
    margin-bottom: 0.2rem;
}
.chp-nutrition-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.4rem;
    margin-bottom: 0.75rem;
}
.chp-nutrition-item {
    text-align: center;
    padding: 0.4rem;
    background: white;
    border-radius: 6px;
    border: 1px solid #fde68a;
}
.chp-nutrition-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    display: block;
}
.chp-nutrition-value {
    font-size: 0.9rem;
    font-weight: 600;
    display: block;
}
.chp-ingredients {
    font-size: 0.82rem;
    color: var(--text-secondary);
    background: white;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    margin-bottom: 0.75rem;
    line-height: 1.5;
}
.chp-ingredients strong {
    color: var(--text);
}
.chp-no-data-warning {
    text-align: center;
    color: var(--warning) !important;
    font-size: 0.85rem !important;
    padding: 0.75rem;
    background: var(--warning-light);
    border-radius: 6px;
    margin: 0.5rem 0;
}

/* Barcode scanner */
.barcode-scanner-container {
    margin-top: 0.75rem;
    border-radius: var(--radius-sm);
    overflow: hidden;
}
#barcode-reader {
    width: 100%;
    border-radius: var(--radius-sm);
}
#barcode-reader video {
    border-radius: var(--radius-sm);
}

/* Selected food panel */
.selected-food-panel {
    margin-top: 1rem;
    padding: 1rem;
    background: #eff6ff;
    border-radius: var(--radius-sm);
    border: 1px solid #bfdbfe;
}
.selected-food-header {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}
.selected-food-img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    border-radius: 6px;
    background: white;
    border: 1px solid var(--border);
    flex-shrink: 0;
}
.selected-food-panel h3 {
    font-size: 1rem;
    margin-bottom: 0.3rem;
    color: var(--primary);
}
.selected-food-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}
.selected-food-ingredients {
    font-size: 0.8rem;
    color: var(--text-secondary);
    background: #f0f9ff;
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    margin-bottom: 0.5rem;
    line-height: 1.5;
}
.selected-food-ingredients strong {
    color: var(--text);
}
/* Extended nutrition collapsible */
.extra-nutrition-section {
    margin-bottom: 0.5rem;
}
.extra-nutrition-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.6rem;
    border: 1px solid #bfdbfe;
    border-radius: 6px;
    background: #f0f9ff;
    color: var(--primary);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}
.extra-nutrition-toggle:hover { background: #dbeafe; }
.extra-toggle-arrow {
    transition: transform 0.25s;
    font-size: 0.7rem;
}
.extra-nutrition-toggle.open .extra-toggle-arrow {
    transform: rotate(-90deg);
}
.extra-nutrition-panel {
    margin-top: 0.4rem;
    padding: 0.5rem;
    background: #f0f9ff;
    border-radius: 6px;
    border: 1px solid #bfdbfe;
}
.extra-nutrition-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}
.extra-nutr-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.32rem 0.5rem;
    font-size: 0.8rem;
    border-bottom: 1px solid #e0efff;
}
.extra-nutr-row:last-child { border-bottom: none; }
.extra-nutr-label { color: var(--text-secondary); }
.extra-nutr-value { font-weight: 600; color: var(--text); direction: ltr; }
.extra-nutr-category {
    grid-column: 1 / -1;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--primary);
    padding: 0.4rem 0.5rem 0.15rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.food-calc-info {
    font-size: 0.82rem;
    color: var(--text-secondary);
    background: #f0f9ff;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
    line-height: 1.5;
}
.food-calc-info:empty { display: none; }

/* Fast Meals */
.fast-meals-list { display: flex; flex-direction: column; gap: 0.5rem; }
.fast-meal-card {
    background: var(--bg);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.fast-meal-card .fm-name { font-weight: 500; }
.fast-meal-card .fm-info {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Calendar */
.calendar-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}
.calendar-nav h2 { font-size: 1.2rem; min-width: 160px; text-align: center; }

.legend {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}
.legend-item { display: flex; align-items: center; gap: 0.3rem; }
.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}
.dot-under { background: var(--success); }
.dot-over { background: var(--danger); }
.dot-none { background: var(--border); }

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
    margin-bottom: 2px;
}
.cal-header {
    text-align: center;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 0.5rem 0;
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}
.cal-day {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--card);
    cursor: pointer;
    transition: all 0.15s;
    font-size: 0.9rem;
    position: relative;
    box-shadow: var(--shadow);
}
.cal-day:hover { transform: scale(1.05); box-shadow: var(--shadow-lg); }
.cal-day.empty {
    background: transparent;
    box-shadow: none;
    cursor: default;
}
.cal-day.empty:hover { transform: none; box-shadow: none; }
.cal-day.today {
    border: 2px solid var(--primary);
    font-weight: 700;
}
.cal-day.under {
    background: var(--success-light);
    color: var(--success);
}
.cal-day.over {
    background: var(--danger-light);
    color: var(--danger);
}
.cal-day .cal-day-num { font-weight: 600; }
.cal-day .cal-day-cal {
    font-size: 0.6rem;
    margin-top: 2px;
    opacity: 0.8;
}

/* Day detail card */
.day-detail {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 1.25rem;
    margin-top: 1rem;
}
.day-detail h3 { margin-bottom: 0.75rem; }
.detail-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    margin-bottom: 1rem;
}
.detail-item { text-align: center; }
.detail-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
}
.detail-value {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
}

/* Settings */
.settings-card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.25rem;
    margin-bottom: 1rem;
}
.settings-card h2 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.bmr-result {
    margin-top: 0.75rem;
    padding: 1rem;
    background: var(--success-light);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    text-align: center;
}

/* Weight history */
.weight-history {
    margin-top: 1rem;
}
.weight-history table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}
.weight-history th, .weight-history td {
    padding: 0.5rem;
    border-bottom: 1px solid var(--border);
    text-align: right;
}
.weight-history th {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Fast meals management in settings */
.fast-meals-manage .fm-manage-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem;
    background: var(--bg);
    border-radius: var(--radius-sm);
    margin-bottom: 0.5rem;
}
.fm-manage-item .fm-details {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
}

/* Loading spinner */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}
.spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Toast notifications */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--text);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    z-index: 2000;
    opacity: 0;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}
.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Responsive */
@media (max-width: 600px) {
    .day-summary-card { grid-template-columns: repeat(2, 1fr); }
    .form-row-2, .form-row-3 { grid-template-columns: 1fr; }
    .detail-grid { grid-template-columns: repeat(2, 1fr); }
    .search-tabs { flex-direction: column; }
    .meals-actions { flex-direction: column; }
    .cal-day .cal-day-cal { display: none; }
}