:root {
    --weight-ink: #24332f;
    --weight-muted: #687873;
    --weight-green: #1f6b5b;
    --weight-dark: #174e44;
    --weight-gold: #b58b45;
    --weight-paper: #fbfaf6;
    --weight-line: #dfe5df;
    --weight-shadow: 0 12px 30px rgba(30, 58, 49, .09);
}

body {
    background: #f1f4f1;
    color: var(--weight-ink);
}

.weightPage {
    max-width: 1240px;
    margin: 70px auto 0;
    padding: 30px 24px 60px;
}

.weightHero {
    margin-bottom: 22px;
    padding: 28px clamp(18px, 4vw, 48px);
    background: linear-gradient(115deg, #e7f0eb, var(--weight-paper) 70%);
    border: 1px solid var(--weight-line);
    border-top: 4px solid var(--weight-gold);
    box-shadow: var(--weight-shadow);
}

.weightHero h1 {
    margin: 0 0 8px;
    color: var(--weight-ink);
    font-size: clamp(1.5rem, 3vw, 2.35rem);
    letter-spacing: .06em;
}

.weightHero p {
    max-width: 760px;
    margin: 0;
    color: var(--weight-muted);
    line-height: 1.55;
}

.weightLayout {
    display: grid;
    grid-template-columns: minmax(280px, .75fr) minmax(0, 1.25fr);
    gap: 20px;
    align-items: start;
}

.weightPanel {
    padding: 22px;
    background: var(--weight-paper);
    border: 1px solid var(--weight-line);
    border-radius: 6px;
    box-shadow: var(--weight-shadow);
}

.weightPanel h2 {
    margin: 0 0 18px;
    color: var(--weight-dark);
    font-size: 1.05rem;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.weightForm {
    display: grid;
    gap: 12px;
}

.weightField {
    display: flex;
    flex-direction: column;
    color: var(--weight-muted);
    font-size: .86rem;
    font-weight: 600;
}

.weightField input,
.weightField textarea {
    box-sizing: border-box;
    width: 100%;
    min-height: 44px;
    margin-top: 6px;
    padding: 0 12px;
    border: 1px solid #b9cbc4;
    border-radius: 4px;
    background: #fff;
    color: var(--weight-ink);
    font: inherit;
}

.weightField textarea {
    min-height: 90px;
    padding: 12px;
    resize: vertical;
}

.weightField input:focus,
.weightField textarea:focus {
    border-color: var(--weight-green);
    box-shadow: 0 0 0 3px rgba(31, 107, 91, .12);
    outline: none;
}

.weightActions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.weightActions button,
.periodButton {
    min-height: 42px;
    padding: 0 15px;
    border: 1px solid var(--weight-green);
    border-radius: 4px;
    background: var(--weight-green);
    color: #fff;
    cursor: pointer;
    font: inherit;
    font-weight: 600;
}

.weightActions .secondaryButton,
.periodButton {
    background: transparent;
    color: var(--weight-dark);
    border-color: var(--weight-line);
}

.weightStatus {
    min-height: 20px;
    color: #a45e4c;
    font-size: .86rem;
}

.weightToolbar {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    margin-bottom: 14px;
}

.periodButtons {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.periodButton {
    min-height: 34px;
    padding: 0 11px;
    font-size: .8rem;
}

.periodButton.active {
    background: var(--weight-green);
    border-color: var(--weight-green);
    color: #fff;
}

.statsGrid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 16px;
}

.statCard {
    padding: 14px;
    border: 1px solid var(--weight-line);
    border-top: 3px solid var(--weight-gold);
    background: #fff;
}

.statCard span {
    display: block;
    color: var(--weight-muted);
    font-size: .73rem;
    letter-spacing: .07em;
    text-transform: uppercase;
}

.statCard strong {
    display: block;
    margin-top: 6px;
    color: var(--weight-dark);
    font-size: 1.2rem;
}

.chartWrap {
    height: 300px;
    padding: 10px;
    border: 1px solid var(--weight-line);
    background: #fff;
}

#weightChart {
    width: 100%;
    height: 100%;
}

.entryList,
.photoGrid {
    display: grid;
    gap: 10px;
}

.weightEntry {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
    align-items: center;
    padding: 13px;
    border: 1px solid var(--weight-line);
    background: #fff;
}

.entryName {
    color: var(--weight-dark);
    font-weight: 700;
}

.entryMeta {
    margin-top: 4px;
    color: var(--weight-muted);
    font-size: .82rem;
    line-height: 1.45;
}

.entryActions {
    display: flex;
    gap: 6px;
}

.entryActions button {
    width: 32px;
    height: 32px;
    border: 1px solid var(--weight-line);
    border-radius: 4px;
    background: #f8fbf9;
    color: var(--weight-green);
    cursor: pointer;
}

.photoGrid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.photoCard {
    overflow: hidden;
    border: 1px solid var(--weight-line);
    background: #fff;
}

.photoCard img {
    display: block;
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    background: #eef2ef;
}

.photoCard figcaption {
    padding: 9px;
    color: var(--weight-muted);
    font-size: .78rem;
    line-height: 1.35;
}

.emptyState {
    padding: 18px;
    color: var(--weight-muted);
    font-size: .88rem;
    line-height: 1.5;
}

.weightNote {
    margin-top: 14px;
    padding: 13px 14px;
    border-left: 3px solid var(--weight-gold);
    background: #f4f0e5;
    color: #725b2e;
    font-size: .84rem;
    line-height: 1.5;
}

@media (max-width: 900px) {
    .weightLayout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .weightPage {
        padding: 22px 14px 42px;
    }

    .weightToolbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .statsGrid {
        grid-template-columns: 1fr;
    }

    .photoGrid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .weightEntry {
        grid-template-columns: 1fr;
    }

    .entryActions {
        justify-content: flex-end;
    }
}