:root {
    --bg: #f7f4f0;
    --card: #ffffff;
    --accent: #c9753d;
    --accent-dark: #9b5a2a;
    --text: #2d2a26;
    --muted: #726b63;
    --error: #b54848;
    --success: #2f7f5f;
}

* {
    box-sizing: border-box;
    font-family: "Segoe UI", Tahoma, sans-serif;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
}

.container {
    width: min(100%, 1000px);
    margin: 0 auto;
    padding: 32px 20px 48px;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 32px;
    background: var(--card);
    border-bottom: 1px solid #e6e1db;
}

.subtitle {
    color: var(--muted);
    margin-top: 6px;
}

.card {
    background: var(--card);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
    margin-top: 16px;
}

.balance-card {
    background: var(--card);
    padding: 20px;
    border-radius: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.balance {
    font-size: 20px;
    font-weight: 600;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

.product {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.price {
    font-weight: 600;
}

button {
    background: var(--accent);
    color: white;
    border: none;
    padding: 10px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
}

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

button.secondary {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
}

button.secondary:hover {
    background: var(--accent);
    color: white;
}

label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 12px;
}

input {
    padding: 8px 10px;
    border-radius: 6px;
    border: 1px solid #d7d0c8;
}

.alert {
    padding: 12px 16px;
    background: #e6f4ee;
    border-left: 4px solid var(--success);
    border-radius: 8px;
    margin: 10px 0;
}

.alert.error {
    background: #fbe9e9;
    border-left-color: var(--error);
}

.flag {
    padding: 14px 18px;
    background: #fff7d6;
    border-left: 4px solid #d3a63b;
    border-radius: 8px;
    font-weight: 700;
    margin: 12px 0;
}

.hint {
    margin-top: 16px;
}

.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--card);
    padding: 24px;
    border-radius: 12px;
    width: min(92%, 420px);
    position: relative;
}

.modal-close {
    position: absolute;
    top: 10px;
    right: 12px;
    font-size: 22px;
    background: transparent;
    color: var(--muted);
}

.modal-form {
    margin-top: 16px;
}