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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(-135deg, #202007, #112133);
    background-attachment: fixed;
    padding: 20px;
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.03) 2px,
        rgba(0, 0, 0, 0.03) 4px
    );
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 500px;
    width: 100%;
    margin: 0 auto;
    background-color: #b6b9b1;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    padding: 40px;
    position: relative;
    z-index: 1;
}

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

.logo {
    max-width: 200px;
    height: auto;
    display: inline-block;
}

.registration-form {
    width: 100%;
}

.form-columns {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.form-column {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: #2c3e50;
    margin-bottom: 4px;
}

.form-input {
    padding: 10px 12px;
    border: 1px solid #bbb;
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    background-color: #e8e8e8;
    color: #2c3e50;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: #4a90e2;
    background-color: #f0f0f0;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

.form-input::placeholder {
    color: #666;
}

.form-input.error {
    border-color: #e74c3c;
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.3);
    background-color: #ffe8e8;
}

.error-message {
    color: #c0392b;
    font-size: 12px;
    margin-top: 4px;
    display: block;
    min-height: 16px;
    font-weight: 500;
}

select.form-input {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%232c3e50' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 35px;
}

textarea.form-input {
    resize: vertical;
    min-height: 100px;
}

.form-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #bbb;
}

.btn-submit,
.btn-reset {
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-submit {
    background-color: #25d366;
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-submit:hover {
    background-color: #20ba5a;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.btn-reset {
    background-color: #6c757d;
    color: white;
    border: 1px solid #5a6268;
}

.btn-reset:hover {
    background-color: #5a6268;
    transform: translateY(-1px);
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 15px;
    }
    
    .container {
        max-width: 100%;
        padding: 25px;
    }
    
    .logo {
        max-width: 150px;
    }
}