:root {
    --bg: #f5f5f5;
    --card-bg: #ffffff;
    --text: #222222;
    --muted: #777777;
    --border: #dddddd;
    --accent: #333333;
    --accent-text: #ffffff;
}

[data-theme="blue"] {
    --bg: #e7f1fb;
    --card-bg: #ffffff;
    --text: #123b5d;
    --muted: #52738e;
    --border: #a9c9e3;
    --accent: #1769aa;
    --accent-text: #ffffff;
}

[data-theme="green"] {
    --bg: #e2f2e5;
    --card-bg: #ffffff;
    --text: #123b1d;
    --muted: #467052;
    --border: #91c49b;
    --accent: #168238;
    --accent-text: #ffffff;
}
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont,
                 "Segoe UI", Roboto, sans-serif;

    background: var(--bg);
    color: var(--text);
}

.container {
    max-width: 950px;
    margin: 0 auto;
    padding: 30px 20px;
}


/* Header */

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

h1 {
    margin: 0 0 5px;
    font-size: 32px;
}

.date {
    color: var(--muted);
}

.logout {
    text-decoration: none;
    color: var(--muted);
}


/* Date navigation */

.date-nav {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 25px;
}

.date-nav a,
.date-nav .disabled {
    padding: 8px 14px;
    border-radius: 7px;
    background: white;
    text-decoration: none;
    color: #444;
    border: 1px solid var(--border);
}

.date-nav .disabled {
    color: #bbb;
}


/* Summary */

.summary {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-bottom: 20px;
}

.card {
    background: white;
    border-radius: 12px;
    padding: 20px;

    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.label {
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 8px;
}

.value {
    font-size: 27px;
    font-weight: 600;
}

.value span {
    font-size: 15px;
    font-weight: normal;
    color: var(--muted);
}

.over {
    color: #b33;
}


/* Progress */

.progress-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 25px;

    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;

    font-size: 14px;
    color: var(--muted);
}

.progress {
    width: 100%;
    height: 14px;

    background: var(--border);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    border-radius: 10px;

    background: var(--accent);
}

.progress-message {
    margin-top: 8px;
    font-size: 13px;
    color: var(--muted);
}

.progress-message.over {
    color: #b33;
}


/* Meals */

.meals {
    background: white;
    border-radius: 12px;
    padding: 20px;

    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

h2 {
    margin-top: 0;
}

.meal {
    display: flex;
    align-items: center;

    padding: 15px 0;

    border-top: 1px solid var(--border);
}

.meal-time {
    width: 70px;
    color: var(--muted);
}

.meal-info {
    flex: 1;
}

.food-name {
    font-size: 17px;
    font-weight: 500;
}

.food-details {
    margin-top: 4px;
    color: var(--muted);
    font-size: 14px;
}

.score {
    width: 50px;
    text-align: center;
    font-size: 18px;
    font-weight: 600;
}

.delete-form {
    margin-left: 10px;
}

.delete-button {
    border: none;
    background: transparent;

    font-size: 24px;
    color: var(--muted);

    cursor: pointer;

    width: 35px;
    height: 35px;
}

.delete-button:hover {
    color: #b33;
}

.empty {
    color: var(--muted);
    padding: 20px 0;
}


/* Login */

.login-container {
    min-height: 100vh;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 20px;
}

.login-form {
    width: 100%;
    max-width: 380px;

    background: white;

    padding: 35px;

    border-radius: 12px;

    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.login-form h1 {
    margin-bottom: 5px;
}

.login-subtitle {
    color: var(--muted);
    margin-top: 0;
    margin-bottom: 25px;
}

.login-form label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
}

.login-form input {
    width: 100%;

    padding: 11px;

    margin-bottom: 18px;

    border: 1px solid var(--border);
    border-radius: 6px;

    font-size: 16px;
}

.login-form button {
    width: 100%;

    padding: 12px;

    border: 0;
    border-radius: 6px;

    font-size: 16px;

    cursor: pointer;
}

.login-error {
    background: #f5e5e5;

    padding: 10px;

    border-radius: 6px;

    margin-bottom: 18px;
}


/* Mobile */

@media (max-width: 700px) {

    .summary {
        grid-template-columns: repeat(2, 1fr);
    }

    .container {
        padding: 20px 15px;
    }
}


@media (max-width: 450px) {

    .summary {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .card {
        padding: 15px;
    }

    .value {
        font-size: 23px;
    }

    .meal-time {
        width: 55px;
    }

}

/* Topbar links */

.topbar-links {
    display: flex;
    align-items: center;
    gap: 18px;
}

.topbar-links a {
    text-decoration: none;
    color: var(--muted);
}


/* Overview summary */

.overview-summary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-bottom: 25px;
}


/* Week */

.week {
    background: white;
    border-radius: 12px;
    padding: 20px;

    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.week-header {
    display: flex;
    justify-content: space-between;
    align-items: center;

    margin-bottom: 10px;
}

.target-label {
    color: var(--muted);
    font-size: 14px;
}

.day-row {
    display: flex;
    align-items: center;
    gap: 15px;

    padding: 16px 5px;

    border-top: 1px solid var(--border);

    text-decoration: none;
    color: inherit;
}

.day-row:hover {
    background: var(--card-bg);
}

.day-name {
    width: 85px;
}

.day-name strong {
    display: block;
}

.day-name span {
    display: block;
    margin-top: 3px;
    color: var(--muted);
    font-size: 13px;
}

.day-bar-area {
    flex: 1;
}

.day-bar-background {
    height: 18px;

    background: var(--border);

    border-radius: 10px;

    overflow: hidden;
}

.day-bar {
    height: 100%;

    background: var(--accent);

    border-radius: 10px;
}

.day-kcal {
    width: 75px;
    text-align: right;

    font-size: 14px;
}

.day-score {
    width: 50px;
    text-align: center;

    font-weight: 600;
}

.day-arrow {
    width: 20px;

    color: var(--muted);
}

.legend {
    display: flex;
    justify-content: flex-end;
    gap: 20px;

    padding: 12px 5px;

    color: var(--muted);
    font-size: 12px;
}


/* Mobile overview */

@media (max-width: 600px) {

    .overview-summary {
        grid-template-columns: 1fr 1fr;
    }

    .overview-summary .card:last-child {
        grid-column: span 2;
    }

    .day-row {
        gap: 8px;
    }

    .day-name {
        width: 60px;
    }

    .day-kcal {
        width: 60px;
    }

    .day-score {
        width: 40px;
    }

    .day-arrow {
        display: none;
    }

}

/* Charts */

.chart-card {
    background: white;
    border-radius: 12px;

    padding: 20px;

    margin-bottom: 25px;

    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.chart-card h2 {
    margin-bottom: 20px;
}

.chart-container {
    position: relative;

    width: 100%;
    height: 300px;
}


/* Make charts comfortable on phones */

@media (max-width: 600px) {

    .chart-container {
        height: 240px;
    }

}


/* Add food form */

.form-card {
    background: white;

    border-radius: 12px;

    padding: 25px;

    max-width: 600px;

    margin: 0 auto;

    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;

    margin-bottom: 7px;

    font-size: 14px;

    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;

    box-sizing: border-box;

    padding: 11px 12px;

    border: 1px solid var(--border);

    border-radius: 7px;

    font: inherit;

    background: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;

    border-color: var(--muted);
}

.form-row {
    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 15px;
}

.form-actions {
    display: flex;

    justify-content: flex-end;

    gap: 10px;

    margin-top: 25px;
}

.button {
    display: inline-block;

    border: none;

    border-radius: 7px;

    padding: 10px 18px;

    background: var(--accent);

    color: white;

    text-decoration: none;

    font: inherit;

    cursor: pointer;
}

.button.secondary {
    background: var(--border);

    color: var(--text);
}

.form-error {
    max-width: 600px;

    margin: 0 auto 20px;

    padding: 12px 15px;

    border-radius: 7px;

    background: #f8e8e8;

    color: #a33;
}


@media (max-width: 600px) {

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

}

.week-header {
    display: flex;

    justify-content: space-between;

    align-items: center;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
}

.user-info a {
    text-decoration: none;
}

.theme-selector {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--muted);
    font-size: 0.9rem;
}

.theme-selector select {
    padding: 4px 8px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--card-bg);
    color: var(--text);
    font-size: 0.9rem;
}

.day-add {
    white-space: nowrap;
    text-decoration: none;
    flex-shrink: 0;
}