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

:root {
    --kuning: #FFD700;
    --hitam: #000000;
    --merah: #DC143C;
    --putih: #FFFFFF;
    --abu: #f5f5f5;
}

body {
    background: var(--abu);
    min-height: 100vh;
}

.auth-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
}

/* LEFT SIDE - Branding */
.auth-left {
    background: linear-gradient(135deg, var(--kuning) 0%, #FFE55C 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.auth-left::before,
.auth-left::after {
    content: '';
    position: absolute;
    background: var(--hitam);
    opacity: 0.05;
    border-radius: 50%;
}

.auth-left::before {
    width: 400px;
    height: 400px;
    top: -150px;
    left: -150px;
}

.auth-left::after {
    width: 300px;
    height: 300px;
    bottom: -100px;
    right: -100px;
    background: var(--merah);
    opacity: 0.1;
}

.auth-left-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 400px;
}

.auth-logo {
    width: 150px;
    height: 150px;
    margin-bottom: 25px;
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.2));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.auth-left-content h1 {
    font-size: 42px;
    font-weight: 800;
    color: var(--hitam);
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.auth-left-content > p {
    color: var(--hitam);
    font-size: 15px;
    margin-bottom: 40px;
    opacity: 0.8;
}

.auth-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
    text-align: left;
}

.feature {
    background: rgba(255,255,255,0.5);
    padding: 12px 20px;
    border-radius: 10px;
    color: var(--hitam);
    font-weight: 500;
    font-size: 14px;
    border-left: 4px solid var(--merah);
}

.feature i {
    color: var(--merah);
    margin-right: 10px;
}

/* RIGHT SIDE - Form */
.auth-right {
    background: var(--putih);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    overflow-y: auto;
}

.auth-form-wrapper {
    width: 100%;
    max-width: 420px;
}

.auth-form-wrapper.wide {
    max-width: 600px;
}

.auth-header {
    margin-bottom: 30px;
    text-align: center;
}

.auth-header h2 {
    font-size: 28px;
    color: var(--hitam);
    font-weight: 800;
    margin-bottom: 8px;
}

.auth-header p {
    color: #666;
    font-size: 14px;
}

.alert {
    padding: 12px 18px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border-left: 4px solid #28a745;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border-left: 4px solid #17a2b8;
}

.auth-form .form-group {
    margin-bottom: 18px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--hitam);
    margin-bottom: 6px;
}

.form-group label i {
    color: var(--merah);
    margin-right: 5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 11px 14px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--kuning);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
}

.password-wrapper {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: #666;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 13px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--hitam);
    margin-bottom: 15px;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--merah);
}

.forgot-link {
    color: var(--merah);
    text-decoration: none;
    font-weight: 500;
}

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

.btn-submit {
    width: 100%;
    padding: 13px;
    background: var(--kuning);
    color: var(--hitam);
    border: 2px solid var(--hitam);
    border-radius: 8px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-submit:hover {
    background: var(--hitam);
    color: var(--kuning);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
    color: #666;
    font-size: 14px;
}

.auth-footer a {
    color: var(--merah);
    font-weight: 600;
    text-decoration: none;
}

.auth-footer a:hover { text-decoration: underline; }

.back-home {
    text-align: center;
    margin-top: 15px;
}

.back-home a {
    color: #666;
    font-size: 13px;
    text-decoration: none;
}

.back-home a:hover { color: var(--merah); }

/* Responsive */
@media (max-width: 968px) {
    .auth-container { grid-template-columns: 1fr; }
    .auth-left { padding: 40px 20px; min-height: auto; }
    .auth-logo { width: 100px; height: 100px; }
    .auth-left-content h1 { font-size: 32px; }
    .auth-features { display: none; }
    .form-row { grid-template-columns: 1fr; }
}