* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    height: 100vh;
    overflow: hidden;
}
.split-container {
    display: flex;
    height: 100vh;
}
.left-side {
    flex: 1;
    background: #fff;
    display: flex;
    flex-direction: column;
    padding: 50px 60px;
    align-items: center;
    justify-content: center;
}
.right-side {
    flex: 1;
    background: #1a1a1a;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
}
.logo {
    font-size: 22px;
    font-weight: 700;
    color: #1a1a1a;
    position: fixed;
    top: 50px;
    left: 60px;
    z-index: 10;
    cursor: pointer;
}
.form-wrapper {
    max-width: 380px;
    width: 100%;
    margin: auto 0;
}
.left-side .form-wrapper {
    margin: 0 auto;
}
.right-side .form-wrapper {
    margin: 0 auto;
}
h2 {
    font-size: 28px;
    margin-bottom: 30px;
    font-weight: 600;
}
.right-side h2 {
    color: #fff;
}
form {
    display: flex;
    flex-direction: column;
}
input {
    padding: 14px 16px;
    margin-bottom: 16px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 15px;
    font-family: inherit;
}
.right-side input {
    background: #2a2a2a;
    border-color: #3a3a3a;
    color: #fff;
}
.right-side input::placeholder {
    color: #888;
}
input:focus {
    outline: none;
    border-color: #666;
}
button {
    padding: 14px;
    background: #1a1a1a;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    margin-top: 8px;
}
button:hover {
    background: #333;
}
.right-side button {
    background: #fff;
    color: #1a1a1a;
}
.right-side button:hover {
    background: #e5e5e5;
}
.small-link {
    color: #666;
    font-size: 14px;
    text-decoration: none;
    margin-top: 16px;
    display: inline-block;
}
.small-link:hover {
    color: #1a1a1a;
}
.error-message {
    display: none;
    background: #fee;
    color: #c33;
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
    border: 1px solid #fcc;
}
.right-side .error-message {
    background: #3a2a2a;
    color: #faa;
    border-color: #5a3a3a;
}