:root {
    --primaryBlue: #1E88B5;       /* Biru utama logo */
    --darkBlue: #1565A8;          /* Biru lebih gelap */
    --softBlue: #E3F2FD;          /* Background biru sangat muda */
    --white: #FFFFFF;
    --gray: #6B7280;
    --lightGray: #F5F7FA;
    --error: #EF4444;
}

/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body, html {
    height: 100%;
    background: linear-gradient(135deg, var(--softBlue), var(--white));
}

/* Centering */
.background {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

/* Container */
.content {
    width: 100%;
    max-width: 380px;
}

/* Logo */
.logo-container {
    text-align: center;
    margin-bottom: 40px;
}

.logo-image {
    width: 200px;
    height: auto;
}

/* Card */
.form-container {
    background-color: var(--white);
    border-radius: 18px;
    padding: 28px;
    box-shadow: 0 10px 25px rgba(30, 136, 181, 0.15);
    border-top: 4px solid var(--primaryBlue);
}

/* Input */
.input-group {
    margin-bottom: 20px;
}

label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--darkBlue);
    margin-bottom: 8px;
}

input {
    width: 100%;
    border: 1px solid #E5E7EB;
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 16px;
    background-color: var(--white);
    transition: 0.3s;
}

input:focus {
    outline: none;
    border-color: var(--primaryBlue);
    box-shadow: 0 0 0 3px rgba(30,136,181,0.15);
}

/* Button */
.login-button {
    width: 100%;
    background: linear-gradient(135deg, var(--primaryBlue), var(--darkBlue));
    border: none;
    border-radius: 12px;
    padding: 14px;
    font-size: 16px;
    font-weight: bold;
    color: var(--white);
    cursor: pointer;
    transition: 0.3s ease;
}

.login-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(21, 101, 168, 0.3);
}

/* Link */
.forgot-password {
    display: block;
    text-align: center;
    margin-top: 16px;
    font-size: 14px;
    color: var(--primaryBlue);
    text-decoration: none;
}

.forgot-password:hover {
    text-decoration: underline;
}

/* Error */
.error {
    background-color: #ffe6e6;
    color: var(--error);
    padding: 10px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 15px;
    text-align: center;
}