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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #FF6BDC 0%, #FF15C0 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 500px;
}

.signup-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(255, 21, 192, 0.3);
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo-section {
    text-align: center;
    margin-bottom: 30px;
}

.logo {
    font-size: 3em;
    font-weight: bold;
    background: linear-gradient(135deg, #FF15C0 0%, #FF6BDC 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.tagline {
    color: #666;
    font-size: 1.1em;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 600;
    font-size: 0.95em;
}

.form-group input {
    width: 100%;
    padding: 15px;
    border: 2px solid #FFB0E8;
    border-radius: 10px;
    font-size: 1em;
    transition: all 0.3s ease;
    background: #fff;
}

.form-group input:focus {
    outline: none;
    border-color: #FF15C0;
    box-shadow: 0 0 0 3px rgba(255, 21, 192, 0.1);
}

.submit-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #FF15C0 0%, #FF6BDC 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 21, 192, 0.4);
}

.submit-btn:active {
    transform: translateY(0);
}

.message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 10px;
    display: none;
}

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

.message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

.message.loading {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
    display: block;
}

.loading {
    text-align: center;
    font-style: italic;
}

/* OAuth sign-up options */
.oauth-divider {
    text-align: center;
    color: #666;
    font-size: 0.95em;
    margin: 20px 0 15px;
}
.oauth-divider.form-divider {
    margin: 24px 0 20px;
}
.oauth-btns {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.oauth-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 14px 20px;
    border-radius: 10px;
    font-size: 1em;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}
.oauth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}
.oauth-btn-apple {
    background: #000;
    color: #fff;
    border-color: #000;
}
.oauth-btn-apple:hover {
    background: #222;
    color: #fff;
    border-color: #222;
}
.oauth-btn-google {
    background: #fff;
    color: #333;
    border-color: #ddd;
}
.oauth-btn-google:hover {
    background: #f8f8f8;
    border-color: #ccc;
    color: #333;
}
.oauth-icon {
    width: 20px;
    height: 20px;
    display: inline-block;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}
.oauth-icon-apple {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23fff'%3E%3Cpath d='M17.05 20.28c-.98.95-2.05.8-3.08.35-1.09-.46-2.09-.48-3.24 0-1.44.62-2.2.44-3.06-.35C2.79 15.25 3.51 7.59 9.05 7.31c1.35.07 2.29.74 3.08.8 1.18-.24 2.31-.93 3.57-.84 1.51.12 2.65.72 3.4 1.8-3.12 1.87-2.38 5.98.48 7.13-.57 1.5-1.31 2.99-2.54 4.09l.01-.01zM12.03 7.25c-.15-2.23 1.66-4.07 3.74-4.25.29 2.58-2.34 4.5-3.74 4.25z'/%3E%3C/svg%3E");
}
.oauth-icon-google {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%234285F4' d='M22.56 12.25c0-.78-.07-1.53-.2-2.25H12v4.26h5.92c-.26 1.37-1.04 2.53-2.21 3.31v2.77h3.57c2.08-1.92 3.28-4.74 3.28-8.09z'/%3E%3Cpath fill='%2334A853' d='M12 23c2.97 0 5.46-.98 7.28-2.66l-3.57-2.77c-.98.66-2.23 1.06-3.71 1.06-2.86 0-5.29-1.93-6.16-4.53H2.18v2.84C3.99 20.53 7.7 23 12 23z'/%3E%3Cpath fill='%23FBBC05' d='M5.84 14.09c-.22-.66-.35-1.36-.35-2.09s.13-1.43.35-2.09V7.07H2.18C1.43 8.55 1 10.22 1 12s.43 3.45 1.18 4.93l2.85-2.22.81-.62z'/%3E%3Cpath fill='%23EA4335' d='M12 5.38c1.62 0 3.06.56 4.21 1.64l3.15-3.15C17.45 2.09 14.97 1 12 1 7.7 1 3.99 3.47 2.18 7.07l3.66 2.84c.87-2.6 3.3-4.53 6.16-4.53z'/%3E%3C/svg%3E");
}
.message.oauth-notice {
    display: block;
    background: #e7f3ff;
    color: #004085;
    border: 1px solid #b8daff;
    margin-top: 16px;
}
.oauth-coming-soon {
    margin: 0;
}

/* Responsive Design */
@media (max-width: 600px) {
    .signup-card {
        padding: 30px 20px;
    }
    
    .logo {
        font-size: 2.5em;
    }
}