:root {
    --bg: #f6f7f9;
    --panel: #ffffff;
    --panel-strong: #ffffff;
    --text: #111214;
    --muted: #5e6570;
    --accent: #e4bb2d;
    --accent-2: #cfa823;
    --danger: #d94848;
    --border: #dfe3e8;
    --positive: #0f9d58;
    --negative: #d94848;
    --shadow: 0 8px 20px rgba(17, 18, 20, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Montserrat", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    background:
        linear-gradient(180deg, #ffffff 0%, #f6f7f9 220px),
        var(--bg);
    color: var(--text);
    min-height: 100vh;
}

.page {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 20px 48px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.logo {
    font-weight: 700;
    letter-spacing: 0.5px;
    font-size: 1.3rem;
}

.subtitle {
    color: var(--muted);
    font-size: 0.9rem;
}

.user {
    margin-bottom: 6px;
    color: var(--muted);
}

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 18px 18px 20px;
    box-shadow: var(--shadow);
    margin-bottom: 16px;
}

h1, h2 {
    margin: 0 0 12px;
}

.grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 16px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.form-grid .full {
    grid-column: span 2;
}

label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.95rem;
    color: var(--muted);
}

input, select {
    background: #ffffff;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 1rem;
}

input:focus, select:focus {
    outline: 2px solid rgba(26, 29, 33, 0.18);
    border-color: rgba(26, 29, 33, 0.45);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(120deg, var(--accent), var(--accent-2));
    border: none;
    border-radius: 10px;
    color: #f7fff8;
    font-weight: 800;
    font-size: 1.02rem;
    padding: 13px 18px;
    cursor: pointer;
    transition: transform 0.05s ease, box-shadow 0.2s ease;
    text-decoration: none;
    box-shadow: 0 10px 25px rgba(17, 18, 20, 0.16);
}

.button:hover {
    transform: translateY(-1px);
}

.button.ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
    box-shadow: none;
}

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

.alert {
    padding: 12px 14px;
    border-radius: 12px;
    margin-bottom: 16px;
    border: 1px solid var(--border);
}

.alert.success {
    border-color: rgba(15, 157, 88, 0.35);
    background: rgba(15, 157, 88, 0.08);
    color: var(--text);
}

.alert.danger {
    border-color: rgba(255, 107, 107, 0.4);
    background: rgba(255, 107, 107, 0.08);
    color: var(--text);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.stat {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px;
}

.stat.total {
    grid-column: span 2;
}

.label {
    color: var(--muted);
    font-size: 0.9rem;
}

.value {
    font-size: 1.3rem;
    font-weight: 700;
}

.positive {
    color: var(--positive);
}

.negative {
    color: var(--negative);
}

.bold {
    font-weight: 700;
}

.table {
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
}

.table-row {
    display: grid;
    grid-template-columns: 110px 100px 1.4fr 110px 130px 1fr;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 10px;
}

.table-row.head {
    background: transparent;
    border: none;
    color: var(--muted);
    font-size: 0.92rem;
}

.table.ledger .table-row {
    grid-template-columns: 110px 1.4fr 110px 130px;
}

.table.individual .table-row {
    grid-template-columns: 110px 1.4fr 110px 130px;
}

.right {
    text-align: right;
}

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

.auth form {
    display: grid;
    gap: 12px;
    max-width: 320px;
}

.auth .back-link {
    margin-top: 12px;
}

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

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

.inline-form {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    flex-wrap: wrap;
}

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

    .table-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .table-row > div {
        display: flex;
        align-items: baseline;
        justify-content: space-between;
        gap: 12px;
    }

    .table-row > div::before {
        content: attr(data-label);
        color: var(--muted);
        font-size: 0.82rem;
        letter-spacing: 0.02em;
    }

    .table-row.head {
        display: none;
    }

    .table.ledger .table-row {
        grid-template-columns: 1fr;
    }

    .table.individual .table-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 680px) {
    .page {
        padding: 18px 14px 32px;
    }

    .topbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    h1, h2 {
        font-size: 1.4rem;
    }

    .card {
        padding: 16px;
        border-radius: 14px;
    }

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

    .form-grid .full {
        grid-column: auto;
    }

    label {
        font-size: 0.92rem;
    }

    input, select {
        font-size: 1rem;
        padding: 12px;
    }

    .align-right {
        text-align: left;
    }

    .button {
        width: 100%;
    }
}