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

body {
    background: #f0f4f9;
    color: #333;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-image: radial-gradient(circle at top left, #dfebf9, #f0f4f9);
}

.auth-container {
    width: 400px;
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
    position: relative;
    overflow: hidden;
}

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

.auth-header h1 {
    font-size: 24px;
    color: #1a1a2e;
    margin-bottom: 8px;
    font-weight: 700;
}

.auth-header p {
    color: #6c757d;
    font-size: 14px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 600;
    color: #495057;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ced4da;
    border-radius: 10px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.form-group input:focus {
    outline: none;
    border-color: #0b5cff;
    box-shadow: 0 0 0 3px rgba(11, 92, 255, 0.1);
    background: white;
}

.btn {
    width: 100%;
    padding: 14px;
    background: #0b5cff;
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 10px;
}

.btn:hover {
    background: #064bcc;
    transform: translateY(-1px);
    box-shadow: 0 8px 15px rgba(11, 92, 255, 0.2);
}

.toggle-form {
    text-align: center;
    margin-top: 25px;
    font-size: 14px;
    color: #6c757d;
}

.toggle-form a {
    color: #0b5cff;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
}

.toggle-form a:hover {
    text-decoration: underline;
}

.error-msg {
    background: #ffe3e3;
    color: #c92a2a;
    padding: 12px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 20px;
    text-align: center;
    border: 1px solid #ffa8a8;
}

.hidden {
    display: none;
}