/* RESET */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    height: 100vh;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #f4f6f8;
}

/* MAIN LAYOUT */
.login-wrapper {
    display: flex;
    height: 100vh;
    width: 100%;
}

/* LEFT LOGIN PANEL */
.login-panel {
    width: 380px;
    background: #ffffff;
    padding: 40px 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-right: 1px solid #e5e7eb;
}

.login-panel h4 {
    font-weight: 600;
    margin-bottom: 4px;
    letter-spacing: 0.3px;
}

.login-panel small {
    font-size: 0.85rem;
}

/* INPUTS */
.form-control {
    border-radius: 10px;
    padding: 12px 14px;
    font-size: 1rem;
    border: 1px solid #d1d5db;
}

.form-control:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 0.15rem rgba(13, 110, 253, 0.15);
}

/* PIN DISPLAY */
#pinDisplay {
    font-size: 1.4rem;
    letter-spacing: 6px;
    text-align: center;
    background: #f9fafb;
}

/* KEYPAD */
.keypad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 10px;
}

.keypad button {
    height: 52px;
    font-size: 1.15rem;
    font-weight: 500;
    border-radius: 12px;
    border: none;
    background: #eef2f7;
    transition: all 0.15s ease;
}

.keypad button:hover {
    background: #e2e8f0;
}

.keypad button:active {
    transform: scale(0.97);
}

/* LOGIN BUTTONS */
.btn-success,
.btn-primary {
    padding: 12px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
}

/* SWITCH LINK */
#switchText {
    cursor: pointer;
}

/* RIGHT IMAGE PANEL */
.image-panel {
    flex: 1;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

/* ERROR ALERT */
.alert {
    font-size: 0.85rem;
    border-radius: 10px;
}

/* MOBILE OPTIMIZATION */
@media (max-width: 768px) {
    .image-panel {
        display: none;
    }

    .login-panel {
        width: 100%;
        border-right: none;
    }
}