/* ===== GLOBAL ===== */
body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background: radial-gradient(circle at top, #1a1a2e, #16213e);
    min-height: 100vh;
    color: white;
}

/* ===== LAYOUT ===== */
.wrapper {
    display: flex;
    height: 100vh;
}

/* ===== LEFT PANEL ===== */
.left {
    width: 65%;
    padding: 35px;
    overflow-y: auto;
}

/* ===== RIGHT PANEL ===== */
.right {
    width: 35%;
    padding: 35px;
    background: rgba(255,255,255,0.05);
    border-left: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(15px);
}

/* ===== TITLE ===== */
h2 {
    margin-bottom: 10px;
}

/* ===== CARD ===== */
.card {
    background: rgba(255,255,255,0.06);
    padding: 25px;
    border-radius: 18px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

/* ===== GRID ===== */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

/* ===== INPUTS + SELECT ===== */
input, select {
    width: 100%;
    padding: 14px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.15);
    outline: none;
    background: rgba(255,255,255,0.10);
    color: white;
    font-size: 14px;
    transition: 0.25s ease;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;

    border-left: 3px solid transparent;
}

/* placeholder */
input::placeholder {
    color: rgba(255,255,255,0.6);
}

/* ===== FOCUS (NO WHITE FLASH + CLEAN UI) ===== */
input:focus, select:focus {
    background: rgba(255,255,255,0.14);
    box-shadow: 0 0 0 3px rgba(255,75,43,0.15);
    transform: none;
}

/* left border highlight */
input:focus {
    border-left: 3px solid #00ffe7;
}

select:focus {
    border-left: 3px solid #ff4b2b;
}

/* ===== REMOVE NUMBER SPINNERS ===== */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
}

/* ===== SELECT CUSTOM UI (ARROW FIX) ===== */
select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    cursor: pointer;

    /* custom arrow */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='white' viewBox='0 0 24 24'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 18px;
    padding-right: 42px;
}

/* dropdown options */
select option {
    color: black;
    background: white;
}

/* ===== BUTTON ===== */
button {
    width: 100%;
    padding: 14px;
    margin-top: 15px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: bold;
    background: linear-gradient(135deg, #ff416c, #ff4b2b);
    color: white;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    transform: scale(1.03);
    box-shadow: 0 0 20px rgba(255,75,43,0.5);
}

/* ===== RESULT ===== */
.result {
    margin-top: 20px;
    padding: 20px;
    border-radius: 15px;
    background: rgba(255,255,255,0.06);
}

.high {
    background: rgba(255,0,0,0.2);
    border: 1px solid red;
}

.low {
    background: rgba(0,255,100,0.2);
    border: 1px solid green;
}

/* ===== SCROLL ===== */
.left::-webkit-scrollbar {
    width: 6px;
}

.left::-webkit-scrollbar-thumb {
    background: #ff4b2b;
    border-radius: 10px;
}

/* ===== RESPONSIVE DESIGN ===== */

/* Tablets */
@media (max-width: 1024px) {
    .wrapper {
        flex-direction: column;
        height: auto;
    }

    .left, .right {
        width: 100%;
        height: auto;
    }

    .right {
        border-left: none;
        border-top: 1px solid rgba(255,255,255,0.1);
    }

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

/* Mobile */
@media (max-width: 768px) {
    body {
        font-size: 14px;
    }

    .wrapper {
        flex-direction: column;
        height: auto;
    }

    .left, .right {
        width: 100%;
        padding: 20px;
    }

    .card {
        padding: 18px;
        border-radius: 14px;
    }

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

    h2 {
        font-size: 20px;
        text-align: center;
    }

    button {
        font-size: 15px;
        padding: 12px;
    }
}

/* Small phones */
@media (max-width: 480px) {
    .left, .right {
        padding: 15px;
    }

    input, select {
        padding: 12px;
        font-size: 13px;
    }

    .card {
        padding: 15px;
    }
}