* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f5f5f5;
    height: 100vh;
    overflow: hidden;
}

.login-container {
    display: flex;
    height: 100vh;
}

.login-left {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px;
    background: white;
}

.login-right {
    flex: 1;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 25%, #60a5fa 50%, #93c5fd 75%, #dbeafe 100%);
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
}

.geometric-pattern {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.triangle {
    position: absolute;
    clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
}

.logo {
    font-size: 28px;
    font-weight: bold;
    color: #0066ff;
    margin-bottom: 60px;
    letter-spacing: 2px;
}

.login-form-wrapper {
    width: 100%;
    max-width: 350px;
}

.form-subtitle {
    font-size: 12px;
    color: #666;
    margin-bottom: 5px;
    text-transform: uppercase;
}

.form-title {
    font-size: 24px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    font-size: 13px;
    font-weight: 500;
    color: #333;
    margin-bottom: 8px;
    display: block;
}

.form-control {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s;
    background: #f9f9f9;
}

.form-control:focus {
    outline: none;
    border-color: #0066ff;
    background: white;
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.form-control::placeholder {
    color: #999;
}

.remember-me {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
    cursor: pointer;
}

.form-check-input {
    width: 18px;
    height: 18px;
    margin-right: 8px;
    cursor: pointer;
    accent-color: #0066ff;
}

.form-check-label {
    font-size: 14px;
    color: #666;
    margin: 0;
    cursor: pointer;
}

.btn-signin {
    width: 100%;
    padding: 12px;
    background: linear-gradient(90deg, #0052cc 0%, #0066ff 100%);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin-bottom: 20px;
}

.btn-signin:hover {
    background: linear-gradient(90deg, #0047b2 0%, #0052cc 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.btn-signin:active {
    transform: translateY(0);
}

.form-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

.form-footer a {
    color: #0066ff;
    text-decoration: none;
    transition: color 0.3s;
}

.form-footer a:hover {
    color: #0052cc;
    text-decoration: underline;
}

.alert-danger {
    background: #fee;
    border: 1px solid #fcc;
    color: #c33;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 13px;
}

.text-muted {
    color: #666;
}

.login-text {
    font-size: 12px;
    color: #999;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .login-container {
        flex-direction: column;
    }

    .login-right {
        display: none;
    }

    .login-left {
        justify-content: flex-start;
        padding-top: 40px;
    }

    .logo {
        margin-bottom: 40px;
    }

    .form-title {
        font-size: 20px;
    }
}
