:root {
    --primary-color: #6a11cb;
    --secondary-color: #2575fc;
    --background-color: #f4f7f6;
    --card-background: #ffffff;
    --text-color: #333;
    --header-bg: #eef2f7;
    --border-color: #dee2e6;
    --shadow: 0 10px 20px rgba(0,0,0,0.08);
    --muted-text: #6c757d;
    --focus-ring: 0 0 0 3px rgba(37, 117, 252, 0.25);
}

/* Dark theme */
.theme-dark {
    /* Neutral, less bluish dark palette (slightly lighter) */
    --background-color: #15161a; /* app background */
    --card-background: #1c1e22;  /* panels/cards */
    --text-color: #e6e7eb;       /* foreground */
    --header-bg: #24262c;        /* section headers / hovers */
    --border-color: #343840;     /* dividers */
    --shadow: 0 10px 20px rgba(0,0,0,0.5);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    background-color: var(--background-color);
    margin: 0;
    padding: 2rem;
    color: var(--text-color);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.container {
    background-color: var(--card-background);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 1200px;
    transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

h1 {
    font-weight: 600;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 2rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}


.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.main-header h1 {
    margin-bottom: 0;
}

.header-actions {
    display: flex;
    gap: 0.75rem;
}

.clear-btn {
    padding: 10px 20px;
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    background-color: transparent;
    color: var(--primary-color);
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.clear-btn:hover {
    background-color: var(--primary-color);
    color: var(--card-background);
}

.clear-btn:focus-visible, .theme-toggle:focus-visible, .stepper-btn:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--card-background);
    color: var(--text-color);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.theme-toggle:hover {
    background-color: var(--header-bg);
}

.theme-toggle-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.theme-hint {
    font-size: 0.7rem;
    color: var(--muted-text);
    font-weight: 400;
    text-align: center;
}

#calculator-container {
    display: grid;
    grid-template-columns: 1fr 1fr 0.5fr 0.5fr 1fr 1fr 1fr;
    gap: 0;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.grid-row {
    display: contents;
}

.grid-row > div {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
}

.menu-trigger {
    text-decoration: underline;
    text-underline-offset: 2px;
    cursor: pointer;
}

.menu-trigger:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.tap-hint {
    display: none;
    margin-left: 8px;
    font-size: 0.75rem;
    color: var(--muted-text);
}

.grid-row:last-child > div {
    border-bottom: none;
}

.grid-row > div:not(:last-child) {
    border-right: 1px solid var(--border-color);
}

.grid-row.header > div {
    background-color: var(--header-bg);
    font-weight: 600;
    color: var(--text-color);
}

.grid-row:not(.header):hover > div {
    background-color: #f8f9fa;
}

.theme-dark .grid-row:not(.header):hover > div {
    background-color: var(--header-bg);
}

.grid-row input[type="number"] {
    width: 60px;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    text-align: center;
    font-family: 'Poppins', sans-serif;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.grid-row input[type="number"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(106, 17, 203, 0.2);
}

.input-stepper {
    display: flex;
    align-items: center;
    justify-content: center;
}

.stepper-btn {
    width: 34px;
    height: 34px;
    border: 1px solid var(--border-color);
    background-color: var(--card-background);
    color: var(--primary-color);
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    line-height: 1;
    transition: background-color 0.2s, color 0.2s;
    user-select: none;
}

.stepper-btn:hover {
    background-color: var(--primary-color);
    color: #fff;
}

.stepper-btn:active {
    transform: scale(0.95);
}

.minus-btn {
    border-radius: 5px 0 0 5px;
}

.plus-btn {
    border-radius: 0 5px 5px 0;
}

.input-stepper .count-input {
    width: 52px;
    height: 34px;
    padding: 0;
    border-left: none;
    border-right: none;
    border-radius: 0;
    box-sizing: border-box;
    background-color: var(--card-background);
    color: var(--text-color);
}

.input-stepper .count-input:focus {
    box-shadow: none;
}

.price {
    font-weight: 600;
    color: var(--secondary-color);
}

/* Inline takeaway control in Lunch rows */
.count-cell {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.takeaway-inline {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    margin-top: 0.5rem;
    justify-content: center;
}

.takeaway-inline .tw-label {
    font-size: 0.8rem;
    color: var(--muted-text);
    font-weight: 600;
}

.input-stepper.small .stepper-btn {
    width: 28px;
    height: 28px;
    font-size: 1rem;
    color: var(--muted-text);
    border-color: var(--border-color);
}

.input-stepper.small .count-input {
    height: 28px;
    width: 44px;
}

/* Make takeaway steppers less prominent and safer */
.takeaway-inline .stepper-btn:hover {
    background-color: var(--header-bg);
    color: var(--text-color);
}
.takeaway-inline .stepper-btn:active {
    transform: none;
}

#menu-tooltip {
    position: fixed;
    z-index: 9999;
    max-width: 280px;
    background: var(--card-background);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 12px 14px;
}

#menu-tooltip .menu-title {
    font-weight: 700;
    margin-bottom: 6px;
}

#menu-tooltip .menu-list {
    margin: 0;
    padding-left: 1.1rem;
}

#menu-tooltip .menu-empty {
    color: var(--muted-text);
}

.takeaway-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.takeaway-label {
    font-weight: 600;
    font-size: 1.1rem;
}

.totals {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: var(--header-bg);
    border-radius: 8px;
    font-weight: 600;
    position: relative;
    transition: background-color 0.2s ease;
}

.totals-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.totals-summary div:first-child {
    color: var(--text-color);
}

.totals-summary div:last-child {
    color: var(--primary-color);
}

#price-breakdown {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-color);
}

#price-breakdown h4 {
    margin-top: 0;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--primary-color);
    text-align: left;
}

.breakdown-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.breakdown-table th, .breakdown-table td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}

.breakdown-table th {
    font-weight: 600;
    background-color: #f8f9fa;
}

.theme-dark .breakdown-table th {
    background-color: var(--header-bg);
}

.breakdown-table th:nth-child(2), .breakdown-table th:nth-child(3), .breakdown-table th:nth-child(4),
.breakdown-table td:nth-child(2), .breakdown-table td:nth-child(3), .breakdown-table td:nth-child(4) {
    text-align: right;
}

.tw-flag {
    display: inline-block;
    margin-left: 8px;
    padding: 2px 6px;
    font-size: 0.7rem;
    color: var(--primary-color);
    background: rgba(106, 17, 203, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    vertical-align: middle;
}

#total-price {
    font-size: 1.5rem;
}

.footer {
    text-align: center;
    margin-top: 2rem;
    color: #888;
    font-size: 0.9rem;
}

.footer .heart {
    color: red;
}

.footer a {
    color: var(--primary-color);
    text-decoration: underline;
    font-weight: 600;
}

.footer a:hover {
    text-decoration: underline;
}

.footer .rights-reserved {
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--muted-text);
    font-weight: 300;
}

.veg-text {
    color: #28a745; /* Green */
    font-weight: 600;
}

.non-veg-text {
    color: #dc3545; /* Red */
    font-weight: 600;
}

.type-na {
    color: var(--muted-text);
    font-weight: 500;
}

.flash {
    animation: flash-animation 0.5s ease-out;
}

@keyframes flash-animation {
    0% {
        background-color: var(--card-background);
    }
    50% {
        background-color: #e0d4f7;
    }
    100% {
        background-color: var(--card-background);
    }
}

@media (max-width: 992px) {
    #calculator-container {
        grid-template-columns: 1fr 1fr 0.5fr 1fr 1fr 1fr 1fr;
    }
}

@media (max-width: 768px) {
    body {
        padding: 1rem;
    }

    .container {
        padding: 1.5rem;
    }

    .main-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    #calculator-container {
        display: block;
        border: none;
        border-radius: 0;
    }

    .grid-row.header {
        display: none; /* Hide header on mobile, labels will be used instead */
    }

    .grid-row {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 10px 20px;
        border: 1px solid var(--border-color);
        border-radius: 8px;
        padding: 1rem;
        margin-bottom: 1rem;
        box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    }

    .grid-row > div {
        border: none !important;
        padding: 5px 0;
        text-align: left;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
    }

    .grid-row > div::before {
        content: attr(data-label);
        font-weight: 600;
        font-size: 0.75rem;
        color: #888;
        margin-bottom: 2px;
    }

    /* Make takeaway label mimic the cell label on mobile and right-align like Count */
    .count-cell .takeaway-inline .tw-label {
        width: 100%;
        text-align: right;
        font-size: 0.75rem;
        color: #888;
        margin-top: 0.25rem;
    }

    /* Show tap hint only on mobile */
    .tap-hint {
        display: inline-block;
    }

    /* Specific alignment for some cells */
    .grid-row > div:nth-child(4), /* Count */
    .grid-row > div:nth-child(7)  /* Price */
    {
        grid-column: 2 / 3;
        grid-row: 1 / 3;
        align-items: flex-end;
        justify-content: center;
    }
     .grid-row > div:nth-child(7) {
        grid-row: 3 / 4;
     }


    .price {
        font-size: 1.2rem;
    }

    .takeaway-section {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .totals-summary {
        position: sticky;
        bottom: 0;
        background: var(--header-bg);
        border-top: 1px solid var(--border-color);
        padding-top: 0.5rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .breakdown-table, .breakdown-table thead, .breakdown-table tbody, .breakdown-table th, .breakdown-table td, .breakdown-table tr {
        display: block;
    }

    .breakdown-table thead tr {
        position: absolute;
        top: -9999px;
        left: -9999px;
    }

    .breakdown-table tr {
        border: 1px solid var(--border-color);
        margin-bottom: 0.5rem;
        border-radius: 5px;
    }

    .breakdown-table td {
        border: none;
        border-bottom: 1px solid #eee;
        position: relative;
        padding-left: 50%;
        text-align: right;
    }

    .breakdown-table td:before {
        position: absolute;
        top: 50%;
        left: 12px;
        transform: translateY(-50%);
        width: 45%;
        padding-right: 10px;
        white-space: nowrap;
        text-align: left;
        font-weight: 600;
    }

    .breakdown-table td:nth-of-type(1):before { content: "Meal"; }
    .breakdown-table td:nth-of-type(2):before { content: "Subsidized"; }
    .breakdown-table td:nth-of-type(3):before { content: "Non-Subsidized"; }
    .breakdown-table td:nth-of-type(4):before { content: "Takeaway"; }
}