:root {
    --bg: #f4f7f8;
    --card: #ffffff;
    --text: #19313a;
    --muted: #6a7d84;
    --border: #d9e2e5;
    --primary: #087f8c;
    --primary-dark: #066873;
    --danger: #a83232;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
}

.topbar {
    min-height: 64px;
    padding: 0 20px;

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

    background: var(--card);
    border-bottom: 1px solid var(--border);
}

.brand {
    color: var(--text);
    font-size: 1.35rem;
    font-weight: 700;
    text-decoration: none;
}

.user-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-area form {
    margin: 0;
}

.link-button {
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--primary);
    font: inherit;
    cursor: pointer;
}

.container {
    width: min(100% - 28px, 1000px);
    margin: 28px auto 60px;
}

h1,
h2 {
    margin-top: 0;
}

h1 {
    margin-bottom: 6px;
}

h2 {
    font-size: 1.15rem;
}

.muted,
.hint {
    color: var(--muted);
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 24px;
}

.primary-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 28px;
}

section,
.form-panel,
.login-panel {
    margin-bottom: 24px;
    padding: 22px;

    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
}

.button {
    display: inline-flex;
    min-height: 46px;

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

    padding: 10px 18px;

    border: 1px solid transparent;
    border-radius: 10px;

    text-decoration: none;
    font-size: 1rem;
    cursor: pointer;
}

.button.primary {
    background: var(--primary);
    color: white;
}

.button.primary:hover {
    background: var(--primary-dark);
}

.button.secondary {
    background: white;
    border-color: var(--border);
    color: var(--text);
}

.button.full {
    width: 100%;
    margin-top: 20px;
}

.measure-grid {
    display: grid;
    grid-template-columns:
        repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
}

.metric {
    padding: 16px;
    background: var(--bg);
    border-radius: 12px;
}

.metric-label {
    display: block;
    color: var(--muted);
    margin-bottom: 4px;
}

.metric strong {
    font-size: 1.8rem;
}

.metric small {
    color: var(--muted);
}

.section-title {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
}

.section-title span {
    color: var(--muted);
}

.list {
    display: flex;
    flex-direction: column;
}

.list-row {
    display: flex;
    justify-content: space-between;
    gap: 20px;

    padding: 14px 0;
    border-bottom: 1px solid var(--border);
}

.list-row:last-child {
    border-bottom: 0;
}

.measurement-summary {
    text-align: right;
}

.form-grid {
    display: grid;
    grid-template-columns:
        repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.field {
    margin-bottom: 18px;
}

.field label,
.photo-field label {
    display: block;
    margin-bottom: 7px;
    font-weight: 600;
}

.form-control,
input,
select,
textarea {
    width: 100%;
    min-height: 46px;
    padding: 10px 12px;

    border: 1px solid var(--border);
    border-radius: 9px;

    background: white;
    color: var(--text);
    font: inherit;
    font-size: 16px;
}

textarea {
    resize: vertical;
}

.photo-field {
    margin: 4px 0 24px;
    padding: 18px;

    background: #eef6f7;
    border-radius: 12px;
}

.hint {
    margin-bottom: 0;
    font-size: .9rem;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.message {
    margin-bottom: 20px;
    padding: 14px 16px;

    background: #e6f5ee;
    border-radius: 10px;
}

.error,
.errorlist {
    color: var(--danger);
}

.login-panel {
    max-width: 420px;
    margin: 80px auto 0;
}

.login-panel input {
    margin-bottom: 18px;
}

.empty-state {
    text-align: center;
}

@media (max-width: 620px) {

    .container {
        width: min(100% - 20px, 1000px);
        margin-top: 18px;
    }

    .topbar {
        padding: 0 14px;
    }

    .user-area > span {
        display: none;
    }

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

    .list-row {
        flex-direction: column;
        gap: 5px;
    }

    .measurement-summary {
        text-align: left;
    }

    .form-actions {
        flex-direction: column-reverse;
    }

    .form-actions .button {
        width: 100%;
    }

    section,
    .form-panel {
        padding: 17px;
    }
}