* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    }

    /* =====================
    COLOR SYSTEM
    ===================== */
    :root {
    --bg-main: #f1f5f9;
    --bg-gradient: #eef2f7;
    --card-bg: #f8fafc;

    --border-soft: #dbe3ed;
    --border-main: #38bdf8;

    --text-main: #111827;
    --text-muted: #6b7280;

    --primary: #0ea5e9;
    --primary-soft: #38bdf8;

    --success: #22c55e;
    --danger: #ef4444;
    }

    /* =====================
    BODY
    ===================== */
    body {
    background: linear-gradient(
        180deg,
        var(--bg-main),
        var(--bg-gradient)
    );
    color: var(--text-main);
    min-height: 100vh;
    max-width: 92%;
    margin-inline: auto;
    }

    /* =====================
    CONTAINER
    ===================== */
    #container {
    max-width: 1200px;
    margin: 70px auto;
    padding: 30px;
    background: var(--card-bg);
    border-radius: 18px;
    border: 1px solid var(--border-soft);
    box-shadow: 0 15px 35px rgba(15,23,42,0.08);
    animation: fadeUp 0.5s ease-out;
    }

    /* =====================
    TITLE
    ===================== */
    h1 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 2rem;
    color: var(--primary);
    }

    /* =====================
    INPUTS
    ===================== */
    .inputs {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 25px;
    }

    /* LABELS */
    label {
    font-size: 0.7rem;
    color: var(--text-muted);
    }

    /* INPUT FIELDS */
    input {
    background: #f1f5f9;
    border: 1px solid var(--border-soft);
    padding: 11px 12px;
    border-radius: 10px;
    color: var(--text-main);
    width: 100%;
    }

    input::placeholder {
    color: #94a3b8;
    }

    input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14,165,233,0.18);
    }

    /* =====================
    PRICE GROUP
    ===================== */
    .price {
    display: flex;
    justify-content: space-between;
    flex-direction: column;
    gap: 10px;
    background: #f1f5f9;
    padding: 20px;
    border: 1px solid var(--border-soft);
    
    }

    .price .totals {
        display: block;
        width: 100%;
        margin-top: -2rem;
        text-align: start;
    }

    .price input {
        margin: 0 10px;
    width: 13%;
    height: 42px;
    padding: 8px;
    }

    /* TOTALS */
    .price p {
    margin-top: 12px;
    font-weight: 600;
    }

    #priceforelement {
    color: var(--success);
    margin-left: 12px;
    transition: 0.3s ease;
    }

    #priceforelement.update {
    transform: scale(1.08);
    }

    #allelementprice {
    color: var(--primary);
    margin-left: 12px;
    }

    /* =====================
    BUTTON
    ===================== */
    .buttons {
    margin: 30px 0;
    display: flex;
    justify-content: center;
    }

    button {
    padding: 13px 34px;
    border-radius: 14px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    background: linear-gradient(135deg, #38bdf8, #0ea5e9);
    color: white;
    box-shadow: 0 6px 16px rgba(14,165,233,0.25);
    transition: 0.3s ease;
    }

    button:hover {
    transform: translateY(-2px);
    }

    /* =====================
    SEARCH
    ===================== */
    #searchInput {
    margin: 20px auto;
    text-align: center;
    }

    /* =====================
    TABLE
    ===================== */
    .datashow {
    overflow-x: auto;
    margin: 60px 20px;
    }

    table {
    width: 100%;
    /* border-collapse: collapse; */
    text-align: center;
    border: 1px solid #adadad;
    border-radius: 8px;
    padding: 20px;
    }

    thead {
    background: #f1f5f9;
    }

    th {
    padding: 14px;
    color: var(--primary);
    border-bottom: 1px solid var(--border-soft);
    font-size: 0.85rem;
    }

    td {
    padding: 12px;
    border-bottom: 1px solid var(--border-soft);
    font-size: 0.85rem;
    }

    /* ACTION BUTTONS */
    .update {
    background: var(--success);
    color: white;
    padding: 6px 16px;
    border-radius: 8px;
    }

    .delete {
    background: var(--danger);
    color: white;
    padding: 6px 16px;
    border-radius: 8px;
    }

    /* ROW HOVER */
    tbody tr:hover {
    background: #f8fafc;
    }

    /* =====================
    RESPONSIVE
    ===================== */
    @media (max-width: 900px) {
    .price {
        flex-wrap: wrap;
    }

    .price input {
        width: 48%;
    }
    }

    /* =====================
    ANIMATION
    ===================== */
    @keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
    }


    /* TOAST NOTIFICATION */
.toast {
    position: fixed;
    top: 20px;
    right: -300px;
    min-width: 240px;
    padding: 14px 18px;
    background: #020617;
    color: #e5e7eb;
    border-left: 4px solid #38bdf8;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.4);
    font-size: 0.85rem;
    font-weight: 500;
    z-index: 1000;
    transition: 0.4s ease;
}

/* visible */
.toast.show {
    right: 20px;
}

/* success */
.toast.success {
    border-color: #22c55e;
}