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

html, body {
    width: 100%;
    height: 100%;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #667eea;
    background-image: url("back.png");
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    padding: 60px 40px;
    max-width: 500px;
    width: 100%;
    text-align: center;
    animation: slideUp 0.8s ease-out;
}

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

.logo {
    font-size: 32px;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.title {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.subtitle {
    font-size: 18px;
    color: #666;
    margin-bottom: 40px;
    line-height: 1.5;
}

.form-group {
    position: relative;
    margin-bottom: 24px;
    text-align: left;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid #e5e7eb;
    border-radius: 16px;
    font-size: 16px;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
    background: #fafafa;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    font-family: 'Inter', sans-serif;
}

.submit-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 16px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 12px;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.4);
}

.submit-btn:active {
    transform: translateY(-1px);
}

.submit-btn.loading {
    opacity: 0.7;
    cursor: not-allowed;
}

.success-message,
.error-message {
    padding: 16px;
    border-radius: 12px;
    margin-top: 20px;
    font-weight: 500;
    display: none;
}

.success-message {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.error-message {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

@media (max-width: 480px) {
    .container {
        padding: 40px 24px;
        margin: 10px;
    }
    
    .title {
        font-size: 24px;
    }
    
    .logo {
        font-size: 28px;
    }
}