* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Inter', 'Segoe UI', sans-serif; }

body, html { height: 100%; width: 100%; overflow: hidden; background-color: #fff; }

.main-container { display: flex; height: 100vh; width: 100vw; }

.side-image {
    flex: 1.2;
    background: url('https://images.unsplash.com/photo-1534067783941-51c9c23ecefd?q=80&w=1974') no-repeat center center;
    background-size: cover;
}

.login-section {
    flex: 0.8;
    background: white;
    display: flex;
    flex-direction: column;
    padding: 20px 60px;
    position: relative;
    border-left: 1px solid #f0f0f0;
}

.header-back a { text-decoration: none; color: #5c7cfa; font-size: 14px; margin-bottom: 20px; display: block; font-weight: 500; }

.login-card { max-width: 400px; margin: auto; width: 100%; }

/* Style Logo Besar */
.logo-container { text-align: center; margin-bottom: 10px; }
.logo-img-large { width: 180px; height: auto; display: inline-block; }

/* Sign In Title */
.signin-title {
    text-align: center;
    margin-bottom: 35px;
    font-size: 38px;
    color: #1a1a1a;
    font-weight: 700;
    letter-spacing: -1px;
}

.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; margin-bottom: 8px; color: #4a4a4a; font-weight: 600; }

/* Input Wrapper Tanpa Ikon */
.input-wrapper {
    display: flex;
    align-items: center;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 12px 15px;
    transition: all 0.3s ease;
}
.input-wrapper:focus-within { border-color: #a3b1ff; box-shadow: 0 0 0 3px rgba(163,177,255,0.2); }

.input-wrapper input { border: none; outline: none; width: 100%; font-size: 15px; background: transparent; }

.options { margin: 15px 0; font-size: 13px; color: #666; }
.options input { margin-right: 8px; }

.btn-action {
    width: 100%;
    background: #a3b1ff;
    color: white;
    border: none;
    padding: 15px;
    border-radius: 10px;
    font-weight: 700;
    cursor: pointer;
    font-size: 16px;
    margin-top: 15px;
    transition: background 0.3s ease;
}
.btn-action:hover { background: #8e9fff; }

.footer-links { text-align: center; margin-top: 30px; font-size: 13px; }
.captcha-info { margin-top: 20px; color: #bbb; font-size: 11px; }

@media (max-width: 1024px) {
    .side-image { display: none; }
    .login-section { flex: 1; padding: 40px 20px; }
}