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

body {
    height: 100vh;
    background: #f3f4f6;
}

.container {
    display: flex;
    height: 100vh;
}

/* LEFT PANEL */
.left-panel {
    width: 50%;
    background: linear-gradient(135deg, #0f766e, #1e3a8a);
    color: white;
    padding: 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.brand h1 {
    font-size: 36px;
    margin-bottom: 5px;
}

.brand p {
    font-size: 14px;
    opacity: 0.8;
    margin-bottom: 40px;
}

.left-panel h2 {
    font-size: 28px;
    margin-bottom: 20px;
}

.description {
    margin-bottom: 40px;
    line-height: 1.6;
    opacity: 0.9;
}

.features {
    display: flex;
    gap: 20px;
}

.feature-box {
    background: rgba(255,255,255,0.15);
    padding: 15px 20px;
    border-radius: 12px;
    backdrop-filter: blur(5px);
    font-size: 14px;
}

/* RIGHT PANEL */
.right-panel {
    width: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #f9fafb;
}

.login-card {
    background: white;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    text-align: center;
}

.icon {
    font-size: 40px;
    margin-bottom: 10px;
}

.login-card h2 {
    margin-bottom: 5px;
}

.subtext {
    font-size: 14px;
    color: #6b7280;
    margin-bottom: 25px;
}

form {
    text-align: left;
}

form label {
    font-size: 14px;
    margin-bottom: 5px;
    display: block;
}

form input[type="text"],
form input[type="password"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    outline: none;
    transition: 0.3s;
}

form input:focus {
    border-color: #0f766e;
    box-shadow: 0 0 0 2px rgba(15,118,110,0.2);
}

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

.options a {
    text-decoration: none;
    color: #0f766e;
}

button {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(to right, #0f766e, #2563eb);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    opacity: 0.9;
}

.signup-text {
    margin-top: 20px;
    font-size: 14px;
}

.signup-text a {
    color: #0f766e;
    text-decoration: none;
    font-weight: 600;
}

.error-msg {
    margin-top: 15px;
    color: red;
    font-size: 13px;
    text-align: center;
}

/* RESPONSIVE */
@media (max-width: 900px) {
    .left-panel {
        display: none;
    }

    .right-panel {
        width: 100%;
    }
}