/* ตั้งค่าพื้นฐาน */
* {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f1f5f9;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* คอนเทนเนอร์หลัก */
.login-wrapper {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-container {
    background-color: #ffffff;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

h2 {
    text-align: center;
    color: #1e293b;
    font-size: 1.875rem;
    font-weight: 800;
    margin-bottom: 2rem;
    letter-spacing: -0.025em;
}

/* ส่วนของ Input */
.input-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

input {
    width: 100%;
    padding: 12px 16px;
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.2s ease;
}

input:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
    background-color: #ffffff;
}

/* ปุ่ม Login */
#login-button {
    width: 100%;
    background-color: #4f46e5;
    color: white;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.3);
}

#login-button:hover {
    background-color: #4338ca;
    box-shadow: 0 10px 15px -3px rgba(79, 70, 229, 0.4);
}

#login-button:active {
    transform: scale(0.98);
}

i {
    cursor: pointer;
}