* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Main Container */
.login-container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    width: 100%;
    max-width: 1000px;
    min-height: 600px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    position: relative;
}

/* Left Column - Jumbotron */
.jumbotron {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #3d6cb9 100%);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    padding: 40px;
    overflow: hidden;
}

.jumbotron::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

.jumbotron-content {
    position: relative;
    z-index: 2;
}

.jumbotron-logo {
    width: 300px;
    height: 300px;
    background-color: white;
    backdrop-filter: blur(10px);
    border-radius: 50%;
    margin: 0 auto 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.jumbotron-logo:hover {
    transform: scale(1.05);
    background: rgba(255, 255, 255, 0.2);
}

.jumbotron-logo img {
    width: 250px;
    height: 250px;
    border-radius: 50%;
}

.jumbotron h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    line-height: 1.2;
}

.jumbotron p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 30px;
    font-weight: 300;
}

.feature-list {
    list-style: none;
    text-align: left;
    max-width: 300px;
}

.feature-list li {
    padding: 8px 0;
    padding-left: 30px;
    position: relative;
    font-size: 0.95rem;
    opacity: 0.9;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 8px;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 12px;
}

/* SIRADIN Information Card */
.siradin-info {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 25px 30px;
    margin: 30px auto;
    max-width: 350px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    animation: fadeInUp 0.6s ease-out;
}

.siradin-info:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    background: rgba(255, 255, 255, 0.2);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.siradin-title {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    margin: 0 0 8px 0;
    text-align: center;
    letter-spacing: 3px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.siradin-subtitle {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.95);
    margin: 0 0 15px 0;
    text-align: center;
    font-weight: 400;
    line-height: 1.4;
}

.siradin-divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
    margin: 0 auto 15px;
    border-radius: 2px;
}

.siradin-description {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    text-align: center;
    margin: 0;
    font-weight: 300;
}


/* Right Column - Login Form */
.login-section {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

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

.form-title {
    color: #2c3e50;
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.form-subtitle {
    color: #7f8c8d;
    font-size: 0.95rem;
}

/* Form Styling */
.form-group {
    margin-bottom: 25px;
    position: relative;
}

.form-label {
    display: block;
    color: #2c3e50;
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.form-input {
    width: 100%;
    padding: 15px 45px 15px 45px;
    border: 2px solid #e8ecef;
    border-radius: 12px;
    font-size: 1rem;
    background: #f8f9fa;
    transition: all 0.3s ease;
    outline: none;
}

.form-input:focus {
    border-color: #2a5298;
    background: white;
    box-shadow: 0 0 0 4px rgba(42, 82, 152, 0.1);
    transform: translateY(-2px);
}

.form-input::placeholder {
    color: #adb5bd;
    font-size: 0.9rem;
}

/* Icons for input fields */
.form-group.with-icon::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 54px;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    z-index: 2;
    pointer-events: none;
}

.form-group.user-icon::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%236c757d' viewBox='0 0 24 24'%3E%3Cpath d='M12 12c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm0 2c-2.67 0-8 1.34-8 4v2h16v-2c0-2.66-5.33-4-8-4z'/%3E%3C/svg%3E");
}

.form-group.password-icon::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%236c757d' viewBox='0 0 24 24'%3E%3Cpath d='M18,8h-1V6c0-2.76-2.24-5-5-5S7,3.24,7,6v2H6c-1.1,0-2,0.9-2,2v10c0,1.1,0.9,2,2,2h12c1.1,0,2-0.9,2-2V10C20,8.9,19.1,8,18,8z M12,17c-1.1,0-2-0.9-2-2s0.9-2,2-2s2,0.9,2,2S13.1,17,12,17z M15.1,8H8.9V6c0-1.71,1.39-3.1,3.1-3.1s3.1,1.39,3.1,3.1V8z'/%3E%3C/svg%3E");
}

.form-group.email-icon::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%236c757d' viewBox='0 0 24 24'%3E%3Cpath d='M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z'/%3E%3C/svg%3E");
}

.form-group.phone-icon::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%236c757d' viewBox='0 0 24 24'%3E%3Cpath d='M6.62 10.79c1.44 2.83 3.76 5.14 6.59 6.59l2.2-2.2c.27-.27.67-.36 1.02-.24 1.12.37 2.33.57 3.57.57.55 0 1 .45 1 1V20c0 .55-.45 1-1 1-9.39 0-17-7.61-17-17 0-.55.45-1 1-1h3.5c.55 0 1 .45 1 1 0 1.25.2 2.45.57 3.57.11.35.03.74-.25 1.02l-2.2 2.2z'/%3E%3C/svg%3E");
}

.form-group.nip-icon::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%236c757d' viewBox='0 0 24 24'%3E%3Cpath d='M14 6V4h-4v2h4zM4 8v11h16V8H4zm16-2c1.11 0 2 .89 2 2v11c0 1.11-.89 2-2 2H4c-1.11 0-2-.89-2-2V8c0-1.11.89-2 2-2h4V4c0-1.11.89-2 2-2h8c1.11 0 2 .89 2 2v2h4zM10 4v2h4V4h-4zm3 8c1.1 0 2-.9 2-2s-.9-2-2-2-2 .9-2 2 .9 2 2 2zm3 6H8v-1c0-1.33 2.67-2 4-2s4 .67 4 2v1z'/%3E%3C/svg%3E");
}

/* Show Password Toggle */
.show-password-toggle {
    position: absolute;
    right: 15px;
    top: 54px;
    transform: translateY(-50%);
    width: 22px;
    height: 22px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    cursor: pointer;
    z-index: 2;
    transition: opacity 0.3s ease;
}

.show-password-toggle:hover {
    opacity: 0.7;
}

.show-password-toggle.show {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%236c757d' viewBox='0 0 24 24'%3E%3Cpath d='M12 4.5C7 4.5 2.73 7.61 1 12c1.73 4.39 6 7.5 11 7.5s9.27-3.11 11-7.5c-1.73-4.39-6-7.5-11-7.5zM12 17c-2.76 0-5-2.24-5-5s2.24-5 5-5 5 2.24 5 5-2.24 5-5 5zm0-8c-1.66 0-3 1.34-3 3s1.34 3 3 3 3-1.34 3-3-1.34-3-3-3z'/%3E%3C/svg%3E");
}

.show-password-toggle.hide {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%236c757d' viewBox='0 0 24 24'%3E%3Cpath d='M12 7c2.76 0 5 2.24 5 5 0 .65-.13 1.26-.36 1.83l2.92 2.92c1.51-1.26 2.7-2.89 3.43-4.75-1.73-4.39-6-7.5-11-7.5-1.4 0-2.74.25-4 .7l2.17 2.17C10.74 7.13 11.35 7 12 7zM2 4.27l2.28 2.28.46.46A11.804 11.804 0 0 0 1 12c1.73 4.39 6 7.5 11 7.5 1.55 0 3.03-.3 4.38-.84l.42.42L19.73 22 21 20.73 3.27 3 2 4.27zM7.53 9.8l1.55 1.55c-.05.21-.08.43-.08.65 0 1.66 1.34 3 3 3 .22 0 .44-.03.65-.08l1.55 1.55c-.67.33-1.41.53-2.2.53-2.76 0-5-2.24-5-5 0-.79.2-1.53.53-2.2zm4.31-.78l3.15 3.15.02-.16c0-1.66-1.34-3-3-3l-.17.01z'/%3E%3C/svg%3E");
}

/* Error and Success Messages */
.error-messages,
.error-message,
.success-message {
    margin-bottom: 20px;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 0.9rem;
    text-align: center;
}

.error-messages ul {
    list-style: none;
    padding: 0;
}

.error-messages li,
.error-message {
    color: #dc3545;
    background: #f8d7da;
    border: 1px solid #f5c6cb;
}

.success-message {
    color: #155724;
    background: #d4edda;
    border: 1px solid #c3e6cb;
}

.error-text {
    display: block;
    color: #dc3545;
    font-size: 0.8rem;
    margin-top: 5px;
    min-height: 18px;
}

/* Remember Me and Forgot Password */
.remember-forgot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 20px 0;
    font-size: 0.9rem;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #6c757d;
    cursor: pointer;
}

.remember-me input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #2a5298;
}

.forgot-password {
    color: #2a5298;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.forgot-password:hover {
    color: #1e3c72;
    text-decoration: underline;
}

/* Login Button */
.login-button {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(30, 60, 114, 0.3);
    position: relative;
}

.login-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(30, 60, 114, 0.4);
    background: linear-gradient(135deg, #2a4a7d 0%, #3561a3 100%);
}

.login-button:active {
    transform: translateY(-1px);
}

/* Loading animation */
.login-button.loading {
    color: transparent;
}

.login-button.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Footer */
.footer-text {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #e9ecef;
    color: #6c757d;
    font-size: 0.85rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .login-container {
        grid-template-columns: 1fr;
        max-width: 100%;
        min-height: auto;
    }

    .jumbotron {
        padding: 30px 20px;
        text-align: center;
    }

    .jumbotron h1 {
        font-size: 2rem;
    }

    .jumbotron p {
        font-size: 1rem;
    }

    .jumbotron-logo {
        width: 100px;
        height: 100px;
        margin-bottom: 20px;
    }

    .jumbotron-logo img {
        width: 70px;
        height: 70px;
    }

    .feature-list {
        display: none;
    }

    .siradin-info {
        max-width: 100%;
        padding: 20px 25px;
        margin: 20px auto;
    }

    .siradin-title {
        font-size: 1.6rem;
        letter-spacing: 2px;
    }

    .siradin-subtitle {
        font-size: 0.85rem;
    }

    .siradin-description {
        font-size: 0.82rem;
    }

    .login-section {
        padding: 30px 20px;
    }

    .form-title {
        font-size: 1.6rem;
    }

    .form-input {
        padding: 14px 40px;
        font-size: 0.95rem;
    }

    .login-button {
        padding: 14px;
        font-size: 0.95rem;
    }

    .remember-forgot {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .jumbotron {
        padding: 25px 15px;
    }

    .jumbotron h1 {
        font-size: 1.75rem;
    }

    .login-section {
        padding: 25px 15px;
    }

    .form-input {
        padding: 12px 35px;
    }

    .login-button {
        padding: 12px;
    }
}