:root {
    --bg-dark-green: #123524; 
    --leaf-green: #5D8736;    
    --sage-green: #809D3C;    
    --earth-cream: #EFE9D5;   
    --white: #ffffff;
    --soft-lime: #F4FFC3;     
}

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

body { 
    background-color: var(--earth-cream); 
    color: var(--bg-dark-green);
}

.reg-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

/* ========= NAVBAR ======== */

.navbar {
    width: 100%;
    background: var(--bg-dark-green); 
    color: var(--earth-cream); 
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 8%;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.nav-left h2 {
    font-size: 22px;
    margin-bottom: 2px;
    letter-spacing: 1px;
    font-weight: 700;
}

.nav-left span {
    font-size: 11px;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-right {
    display: flex;
    align-items: center;
}

.btn-back-nav {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--leaf-green), var(--sage-green));
    color: var(--white);
    border-radius: 50%;
    font-size: 18px;
    font-weight: bold;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    transition: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn-back-nav:hover {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 6px 18px rgba(0,0,0,0.3);
}

/* ========= REGISTRATION CARD ======== */

.reg-card {
    background-color: var(--white);
    width: 100%;
    max-width: 500px;
    border-radius: 25px; 
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(18,53,36,0.12);
    border: 1px solid rgba(18,53,36,0.05);
}

.reg-header {
    padding: 30px 22px 25px;
    text-align: center;
    color: var(--white);
    background: linear-gradient(135deg, var(--bg-dark-green), var(--leaf-green));
}

.reg-header h2 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.reg-body {
    padding: 35px 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--white);
}

.input-group {
    width: 100%;
    margin-bottom: 20px;
    text-align: left;
}

.input-group label {
    display: block;
    color: var(--bg-dark-green);
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 700;
}

.input-group input, .input-group select {
    width: 100%;
    padding: 14px;
    border: 1.5px solid #eee;
    outline: none;
    border-radius: 12px;
    font-size: 14px;
    transition: 0.3s;
    background: #fdfdfd;
}

.input-group input:focus, .input-group select:focus {
    border-color: var(--leaf-green);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(93,135,54,0.1);
}

.input-group select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23123524' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 15px;
    cursor: pointer;
}

.form-row {
    width: 100%;
    margin-top: -5px;
    margin-bottom: 15px;
    display: flex;
    justify-content: flex-start;
}

.show-password {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    font-weight: 600;
    color: var(--bg-dark-green);
    user-select: none;
    cursor: pointer;
}

.show-password input {
    width: 17px;
    height: 17px;
    accent-color: var(--leaf-green);
    cursor: pointer;
}

.btn-daftar {
    width: 100%;
    background: linear-gradient(135deg, var(--bg-dark-green), var(--leaf-green));
    color: var(--earth-cream);
    border: none;
    padding: 16px;
    border-radius: 15px;
    font-size: 16px;
    cursor: pointer;
    margin-top: 10px;
    transition: 0.3s;
    font-weight: 700;
    box-shadow: 0 8px 20px rgba(18,53,36,0.15);
}

.btn-daftar:hover { 
    transform: translateY(-3px); 
    box-shadow: 0 12px 25px rgba(18,53,36,0.25);
    filter: brightness(1.1);
}

.login-link-text {
    margin-top: 25px;
    color: #666;
    font-size: 13px;
    text-align: center;
    font-weight: 500;
}

.login-link-text a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 15px;
    margin-left: 8px;
    border-radius: 10px;
    background: rgba(93,135,54,0.1);
    border: 1px solid rgba(93,135,54,0.2);
    color: var(--bg-dark-green);
    font-weight: 700;
    text-decoration: none;
    transition: 0.3s;
}

.login-link-text a:hover {
    background: var(--leaf-green);
    color: var(--white);
    border-color: var(--leaf-green);
}

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

@media (max-width: 768px) {
    .reg-wrapper {
        padding: 30px 15px;
        min-height: auto;
    }

    .reg-card {
        border-radius: 20px; 
    }

    .reg-header h2 {
        font-size: 20px;
    }

    .reg-body {
        padding: 25px 20px; 
    }

    .navbar {
        padding: 12px 5%;
    }

    .nav-left h2 {
        font-size: 18px;
    }

    .nav-left span {
        display: none; 
    }
}

@media (max-width: 480px) {
    .btn-back-nav {
        width: 38px;
        height: 38px;
        font-size: 16px;
    }
}